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Wang Q, Lechtenfeld OJ, Rietveld LC, Schuster J, Ernst M, Hofman-Caris R, Kaesler J, Wang C, Yang M, Yu J, Zietzschmann F. How aromatic dissolved organic matter differs in competitiveness against organic micropollutant adsorption. ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY 2024; 21:100392. [PMID: 38434492 PMCID: PMC10907174 DOI: 10.1016/j.ese.2024.100392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 01/11/2024] [Accepted: 01/14/2024] [Indexed: 03/05/2024]
Abstract
Activated carbon is employed for the adsorption of organic micropollutants (OMPs) from water, typically present in concentrations ranging from ng L-1 to μg L-1. However, the efficacy of OMP removal is considerably deteriorated due to competitive adsorption from background dissolved organic matter (DOM), present at substantially higher concentrations in mg L-1. Interpreting the characteristics of competitive DOM is crucial in predicting OMP adsorption efficiencies across diverse natural waters. Molecular weight (MW), aromaticity, and polarity influence DOM competitiveness. Although the aromaticity-related metrics, such as UV254, of low MW DOM were proposed to correlate with DOM competitiveness, the method suffers from limitations in understanding the interplay of polarity and aromaticity in determining DOM competitiveness. Here, we elucidate the intricate influence of aromaticity and polarity in low MW DOM competition, spanning from a fraction level to a compound level, by employing direct sample injection liquid chromatography coupled with ultrahigh-resolution Fourier-transform ion cyclotron resonance mass spectrometry. Anion exchange resin pre-treatment eliminated 93% of UV254-active DOM, predominantly aromatic and polar DOM, and only minimally alleviated DOM competition. Molecular characterization revealed that nonpolar molecular formulas (constituting 26% PAC-adsorbable DOM) with medium aromaticity contributed more to the DOM competitiveness. Isomer-level analysis indicated that the competitiveness of highly aromatic LMW DOM compounds was strongly counterbalanced by increased polarity. Strong aromaticity-derived π-π interaction cannot facilitate the competitive adsorption of hydrophilic DOM compounds. Our results underscore the constraints of depending solely on aromaticity-based approaches as the exclusive interpretive measure for DOM competitiveness. In a broader context, this study demonstrates an effect-oriented DOM analysis, elucidating counterbalancing interactions of DOM molecular properties from fraction to compound level.
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Affiliation(s)
- Qi Wang
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 100085, Beijing, China
- Delft University of Technology, Department of Water Management, PO Box 5048, 2600, GA, Delft, the Netherlands
| | - Oliver J. Lechtenfeld
- Department of Analytical Chemistry, Research Group BioGeoOmics, Helmholtz Centre for Environmental Research − UFZ, Permoserstr. 15, 04318, Leipzig, Germany
- ProVIS−Centre for Chemical Microscopy, Helmholtz Centre for Environmental Research − UFZ, Permoserstr. 15, 04318, Leipzig, Germany
| | - Luuk C. Rietveld
- Delft University of Technology, Department of Water Management, PO Box 5048, 2600, GA, Delft, the Netherlands
| | - Jonas Schuster
- Institute for Water Resources and Water Supply, Hamburg University of Technology, Am Schwarzenberg-Campus 3, 21073, Hamburg, Germany
| | - Mathias Ernst
- Institute for Water Resources and Water Supply, Hamburg University of Technology, Am Schwarzenberg-Campus 3, 21073, Hamburg, Germany
| | - Roberta Hofman-Caris
- KWR Watercycle Research Institute, 3433PE, Nieuwegein, the Netherlands
- Wageningen University and Research, Department of Environmental Technology, Bornse Weilanden 9, 6708 WG, Wageningen, the Netherlands
| | - Jan Kaesler
- Department of Analytical Chemistry, Research Group BioGeoOmics, Helmholtz Centre for Environmental Research − UFZ, Permoserstr. 15, 04318, Leipzig, Germany
| | - Chunmiao Wang
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 100085, Beijing, China
| | - Min Yang
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 100085, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Jianwei Yu
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 100085, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Frederik Zietzschmann
- Delft University of Technology, Department of Water Management, PO Box 5048, 2600, GA, Delft, the Netherlands
- Berliner Wasserbetriebe, Laboratory, Motardstr. 35, 13629, Berlin, Germany
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2
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Lu L, Cao S, Li Z, Huang J, Jiang Y, Deng C, Liu Z, Liu Z. Adsorption and desorption of flavonoids on activated carbon impregnated with different metal ions. RSC Adv 2023; 13:19235-19242. [PMID: 37377866 PMCID: PMC10291256 DOI: 10.1039/d3ra03476c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
In this study, four metal ions Mg2+, Al3+, Fe3+, and Zn2+ were loaded on the surface of activated carbon by an impregnation method coupled with high-temperature calcination to prepare modified activated carbon. Scanning electron microscopy, specific surface area and pore size analysis, X-ray diffraction, and Fourier infrared spectroscopy were used to evaluate the structure and morphology of the modified activated carbon. The findings show that the modified activated carbon had a large microporous structure and high specific surface area, both of which significantly improved absorbability. This study also investigated the adsorption and desorption kinetics of the prepared activated carbon for three flavonoids with representative structures. The adsorption amounts of quercetin, luteolin, and naringenin in the blank activated carbon reached 920.24 mg g-1, 837.07 mg g-1, and 677.37 mg g-1, while for activated carbon impregnated with Mg, the adsorption amounts reached 976.34 mg g-1, 963.39 mg g-1, and 817.98 mg g-1, respectively; however, the desorption efficiencies of the three flavonoids varied a lot. The differences in desorption rates of naringenin as compared with quercetin and luteolin in the blank activated carbon were 40.13% and 46.22%, respectively, and the difference in desorption rates increased to 78.46% and 86.93% in the activated carbon impregnated with Al. The differences provide a basis for the application of this type of activated carbon in the selective enrichment and separation of flavonoids.
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Affiliation(s)
- Li Lu
- School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology Xiongchu Avenue, No. 693 Wuhan China
| | - Shuang Cao
- School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology Xiongchu Avenue, No. 693 Wuhan China
| | - Zhexuan Li
- School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology Xiongchu Avenue, No. 693 Wuhan China
| | - Jingdan Huang
- School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology Xiongchu Avenue, No. 693 Wuhan China
| | - Yukai Jiang
- School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology Xiongchu Avenue, No. 693 Wuhan China
| | - Changyong Deng
- School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology Xiongchu Avenue, No. 693 Wuhan China
| | - Zhimei Liu
- Wuhan WUYAO Pharmaceutical Co., Ltd, Grand Pharmaceutical Co., Ltd, China Grand Enterprises Inc., Wuhan Optics Valley International Biomedical Industry Base Gaokeyuan No. 693 Wuhan China
| | - Ziwei Liu
- School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology Xiongchu Avenue, No. 693 Wuhan China
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3
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Ellaby RJ, White LJ, Boles JE, Ozturk S, Hiscock JR. Supramolecular self-associating amphiphiles as aqueous pollutant scavengers. Org Biomol Chem 2022; 20:7587-7592. [PMID: 36107007 DOI: 10.1039/d2ob01365g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We present a series of supramolecular self-associated amphiphiles, which spontaneously self-assemble into aggregated species. These aggregates are shown to absorb a variety of (polar) micropollutants from aqueous mixtures and as a result we determine the suitability for this technology to be developed further as aqueous environmental clean-up agents.
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Affiliation(s)
- Rebecca J Ellaby
- School of Chemistry and Forensics, University of Kent, Canterbury, CT2 7NH, UK.
| | - Lisa J White
- School of Chemistry and Forensics, University of Kent, Canterbury, CT2 7NH, UK.
| | - Jessica E Boles
- School of Chemistry and Forensics, University of Kent, Canterbury, CT2 7NH, UK.
| | - Sena Ozturk
- School of Chemistry and Forensics, University of Kent, Canterbury, CT2 7NH, UK.
| | - Jennifer R Hiscock
- School of Chemistry and Forensics, University of Kent, Canterbury, CT2 7NH, UK.
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Facile synthesis of surface functionalized Pd 2+@P-CDP/COFs for highly sensitive detection of norfloxacin drug based on the host-guest interaction. J Pharm Biomed Anal 2022; 219:114956. [PMID: 35882178 DOI: 10.1016/j.jpba.2022.114956] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 01/05/2023]
Abstract
In this work, β-cyclodextrin porous polymers (P-CDPs) functionalized novel covalent organic frameworks (P-CDPs/COFs) were synthesized by a simple and facile method. After combined with Pd2+ via electrostatic interaction, the Pd2+@P-CDPs/COFs nanocomposites were prepared and utilized as novel electrode materials to fabricate the non-enzyme electrochemical sensors for high-sensitivity detection of Norfloxacin (NF). Due to the host-guest recognition, excellent adsorption performance and catalytic performance of Pd2+@P-CDPs/COFs, the prepared sensor exhibited excellent electrochemical performance for detecting NF under the optimum conditions, which showed two linear ranges of 0.08-7.0 μM and 7.0-100.0 μM with a low detection limit of 0.031 μM (S/N = 3). Additionally, the obtained sensor has also been successfully applied to measure NF with satisfactory results in the real medicinal samples of NF eye-drops. Our findings paved the way for the development of COFs-based sensing platform in drug analysis and testing for human health, food security and the quality control of drugs.
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Characterizing Powdered Activated Carbon Treatment of Surface Water Samples Using Polarity-Extended Non-Target Screening Analysis. Molecules 2022; 27:molecules27165214. [PMID: 36014453 PMCID: PMC9415745 DOI: 10.3390/molecules27165214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/08/2022] [Accepted: 08/11/2022] [Indexed: 11/19/2022] Open
Abstract
Advanced wastewater treatment such as powdered activated carbon (PAC) reduces the load of organic micropollutants entering the aquatic environment. Since mobile and persistent compounds accumulate in water cycles, treatment strategies need to be evaluated for the removal of (very) polar compounds. Thereby, non-targeted analysis gives a global picture of the molecular fingerprint (including these very polar molecules) of water samples. Target and non-target screening were conducted using polarity-extended chromatography hyphenated with mass spectrometry. Samples treated with different types and concentrations of PAC were compared to untreated samples. Molecular features were extracted from the analytical data to determine fold changes, perform a principal component analysis and for significance testing. The results suggest that a part of the polar target analytes was adsorbed but also some byproducts might be formed or desorbed from the PAC.
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Gollong G, Neuwald IJ, Kuckelkorn J, Junek R, Zahn D. Assessing the protection gap for mobile and persistent chemicals during advanced water treatment - A study in a drinking water production and wastewater treatment plant. WATER RESEARCH 2022; 221:118847. [PMID: 35841789 DOI: 10.1016/j.watres.2022.118847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 06/27/2022] [Accepted: 07/09/2022] [Indexed: 06/15/2023]
Abstract
Persistent and mobile (PM) chemicals spread quickly in the water cycle and can reach drinking water. If these chemicals are also toxic (PMT) they may pose a threat to the aquatic environment and drinking water alike, and thus measures to prevent their spread are necessary. In this study, nontarget screening and cell-based toxicity tests after a polarity-based fractionation into polar and non-polar chemicals are utilized to assess and compare the effectiveness of ozonation and filtration through activated carbon in a wastewater treatment and drinking water production plant. Especially during wastewater treatment, differences in removal efficiency were evident. While median areas of non-polar features were reduced by a factor of 270, median areas for polar chemicals were only reduced by a factor of 4. Polar features showed significantly higher areas than their non-polar counterparts in wastewater treatment plant effluent and finished drinking water, implying a protection gap for these chemicals. Toxicity tests revealed higher initial toxicities (especially oxidative stress and estrogenic activity) for the non-polar fraction, but also showed a more pronounced decrease during treatment. Generally, the toxicity of the effluent was low for both fractions. Combined, these results imply a less effective removal but also a lower toxicity of polar chemicals. The behaviour of features during advanced waste and drinking water treatment was used to classify them as either PM chemicals or mobile transformation products (M-TPs). A suspect screening of the 476 highest intensity PM chemicals and M-TPs in 57 environmental and tap water samples showed high frequencies of detection (median >80%), which indicates the wide distribution of these chemicals in the aquatic environment and thus supports the chosen classification approach and the more generally applicability of obtained insights.
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Affiliation(s)
- Grete Gollong
- Hochschule Fresenius gem. GmbH, Limburger Str. 2, Idstein, 65510, Germany
| | - Isabelle J Neuwald
- Hochschule Fresenius gem. GmbH, Limburger Str. 2, Idstein, 65510, Germany
| | - Jochen Kuckelkorn
- Umweltbundesamt, Section Toxicology of Drinking Water and Swimming Pool Water, Heinrich-Heine-Strasse 12, Bad Elster, 08645, Germany
| | - Ralf Junek
- Umweltbundesamt, Section Toxicology of Drinking Water and Swimming Pool Water, Heinrich-Heine-Strasse 12, Bad Elster, 08645, Germany
| | - Daniel Zahn
- Hochschule Fresenius gem. GmbH, Limburger Str. 2, Idstein, 65510, Germany.
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Wang Q, Wang D, Liao Q, Ke C, Zhang Y, Han Q, Zhang Y, Jiang D, Xi K. Preparation of functional material layers of TT-COFs with built-in formyl groups for efficient dyes removal. J Colloid Interface Sci 2022; 612:608-616. [PMID: 35026567 DOI: 10.1016/j.jcis.2021.12.170] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/13/2021] [Accepted: 12/26/2021] [Indexed: 11/29/2022]
Abstract
There is no doubt that the wide application of COFs depends on the diversity and complexity of their structure and composition, as well as the feasibility and convenience of use. Herein, large area defect-free continuous functional material layers have been fabricated by compounding sub-stoichiometric tetratopic-tritopic covalent organic frameworks (TT-COFs) on graphene oxide (GO) via simply hot pressing. The one-step synthesis of TT-COFs with built-in formyl groups endowed the robust material layers with extraordinary host-guest interactions, so they can specifically reject cations dyes according to adsorption effect, molecular sieving and Donnan effect. Owing to the through-plane molecular transfer channels, large amounts of water molecules can pass through the internal channel rapidly. As a result, high rejection of 99.5% and large flux of 309.99 L·m-2·h-1·bar-1 for dye molecules have been realized. This simple and effective method provided more extensive practicality and greater convenience in recycling and reuse, and demonstrated the utility and high efficiency of TT-COFs with built-in formyl groups as an advanced material platform for dyes removal.
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Affiliation(s)
- Qiaomu Wang
- School of Chemistry and Chemical Engineering, Nanjing University, Jiangsu 210023, China; Shenzhen Research Institute of Nanjing University, Nanjing University, 581000 Shenzhen, China
| | - Dongni Wang
- School of Chemistry and Chemical Engineering, Nanjing University, Jiangsu 210023, China; Shenzhen Research Institute of Nanjing University, Nanjing University, 581000 Shenzhen, China
| | - Qiaobo Liao
- School of Chemistry and Chemical Engineering, Nanjing University, Jiangsu 210023, China; Shenzhen Research Institute of Nanjing University, Nanjing University, 581000 Shenzhen, China
| | - Can Ke
- School of Chemistry and Chemical Engineering, Nanjing University, Jiangsu 210023, China; Shenzhen Research Institute of Nanjing University, Nanjing University, 581000 Shenzhen, China
| | - Yiying Zhang
- School of Chemistry and Chemical Engineering, Nanjing University, Jiangsu 210023, China; Shenzhen Research Institute of Nanjing University, Nanjing University, 581000 Shenzhen, China
| | - Qingwen Han
- School of Chemistry and Chemical Engineering, Nanjing University, Jiangsu 210023, China; Shenzhen Research Institute of Nanjing University, Nanjing University, 581000 Shenzhen, China
| | - Yifan Zhang
- School of Chemistry and Chemical Engineering, Nanjing University, Jiangsu 210023, China; Shenzhen Research Institute of Nanjing University, Nanjing University, 581000 Shenzhen, China
| | - Dechen Jiang
- School of Chemistry and Chemical Engineering, Nanjing University, Jiangsu 210023, China
| | - Kai Xi
- School of Chemistry and Chemical Engineering, Nanjing University, Jiangsu 210023, China; Shenzhen Research Institute of Nanjing University, Nanjing University, 581000 Shenzhen, China.
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Gidstedt S, Betsholtz A, Falås P, Cimbritz M, Davidsson Å, Micolucci F, Svahn O. A comparison of adsorption of organic micropollutants onto activated carbon following chemically enhanced primary treatment with microsieving, direct membrane filtration and tertiary treatment of municipal wastewater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 811:152225. [PMID: 34921873 DOI: 10.1016/j.scitotenv.2021.152225] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 11/15/2021] [Accepted: 12/03/2021] [Indexed: 05/27/2023]
Abstract
The adsorption of organic micropollutants onto powdered activated carbon (PAC) was investigated in laboratory scale based on samples from four wastewater process streams (matrices); three from a pilot-scale plant with different degrees of physicochemical treatment of municipal wastewater and one from a full-scale activated sludge plant with post-precipitation. The pilot-scale treatment consisted of chemically enhanced primary treatment with microsieving followed by direct membrane filtration as microfiltration or ultrafiltration. The results showed highest adsorption of micropollutants in the tertiary (biologically and chemically) treated wastewater and lowest adsorption in the microsieve filtrate. Adsorption of micropollutants in the direct membrane microfiltration (200 nm) permeate was generally similar to that in the direct membrane ultrafiltration (3 nm) permeate. The higher adsorption of micropollutants in the tertiary treated wastewater could be related to a lower concentration of dissolved organic carbon (DOC) and lower affinity of DOC for PAC at low dosage (<15 mg PAC/L) in this matrix. At a PAC dose of 10 mg/L, sulfamethoxazole was removed by 33% in the tertiary treated wastewater and 7% in the direct membrane microfiltration permeate. In addition to the PAC experiments, a pilot scale sand filter and a proceeding GAC filter was operated on tertiary treated wastewater from the full-scale treatment plant. Similar removal trends in the PAC and GAC experiments were observed when studying a weighted average micropollutant removal in the GAC filter and a similar dose of activated carbon for both PAC and GAC. Positively charged micropollutants were removed to a higher extent than negatively charged ones by both PAC and GAC.
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Affiliation(s)
- Simon Gidstedt
- Department of Chemical Engineering, Lund University, PO Box 124, SE-221 00 Lund, Sweden; Sweden Water Research AB, Ideon Science Park, Scheelevägen 15, SE-223 70 Lund, Sweden.
| | - Alexander Betsholtz
- Department of Chemical Engineering, Lund University, PO Box 124, SE-221 00 Lund, Sweden
| | - Per Falås
- Department of Chemical Engineering, Lund University, PO Box 124, SE-221 00 Lund, Sweden
| | - Michael Cimbritz
- Department of Chemical Engineering, Lund University, PO Box 124, SE-221 00 Lund, Sweden
| | - Åsa Davidsson
- Department of Chemical Engineering, Lund University, PO Box 124, SE-221 00 Lund, Sweden
| | - Federico Micolucci
- Department of Chemical Engineering, Lund University, PO Box 124, SE-221 00 Lund, Sweden
| | - Ola Svahn
- Department of Environmental Science and Bioscience, Kristianstad University, SE-291 39 Kristianstad, Sweden
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9
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Ivančev-Tumbas I, Bogunović M, Vasić V, Šćiban M, Tubić A, Leovac Maćerak A, Prodanović J. 'Green' coagulant application with activated carbon: dosing sequence and removal of selected micropollutants and effluent organic matter from municipal wastewater. ENVIRONMENTAL TECHNOLOGY 2022; 43:1163-1169. [PMID: 32907502 DOI: 10.1080/09593330.2020.1821788] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 09/01/2020] [Indexed: 06/11/2023]
Abstract
Combination of 'green' coagulation and powdered activated carbon adsorption was tested for removal of benzophenone (BP), benzophenone-3 (BP-3) and caffeine (CF) from treated municipal wastewater at realistic concentration levels (1-2 µg/L). At the same time it was tracked how the process affected effluent organic matter (EfOM) by measuring chemical oxygen demand (COD). Green coagulant was produced from dry common bean seed in laboratory. Combined coagulation-adsorption experiments were performed by applying different dosing sequences of process materials. Removal of hydrophobic BP and BP-3 by separate adsorption (from 79 to 98%) was not significantly hindered by the addition of the coagulant (activated carbon dose of 5 or 20 mg/L). However, in some cases negative effects were observed for hydrophilic caffeine, depending on the carbon dose, dosing sequence and presence of total suspended solids (TSS). Thus, when coagulant was firstly added into water without TSS before low activated carbon dose of 5 mg/L, caffeine removal dropped from 26% to 5%. Conversely, when TSS were present in the water sample, the removal of caffeine was not hindered under the same PAC dose and dosing sequence. The importance of the process optimisation related to removal of organic micropollutans of different hydrophilicity has been shown in this paper. Removal of around 30% of COD regardless of the dosing sequence was achieved.
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Affiliation(s)
- Ivana Ivančev-Tumbas
- Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Novi Sad, Republic of Serbia
| | - Minja Bogunović
- Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Novi Sad, Republic of Serbia
| | - Vesna Vasić
- Faculty of Technology Novi Sad, University of Novi Sad, Novi Sad, Republic of Serbia
| | - Marina Šćiban
- Faculty of Technology Novi Sad, University of Novi Sad, Novi Sad, Republic of Serbia
| | - Aleksandra Tubić
- Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Novi Sad, Republic of Serbia
| | - Anita Leovac Maćerak
- Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Novi Sad, Republic of Serbia
| | - Jelena Prodanović
- Faculty of Technology Novi Sad, University of Novi Sad, Novi Sad, Republic of Serbia
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Zheng Q, Unruh DK, Hutchins KM. Removal of the Micropollutants Propranolol Hydrochloride and 2-Naphthol From Water by Pyridine-Functionalized Polymers. Front Chem 2022; 9:793870. [PMID: 35127646 PMCID: PMC8815703 DOI: 10.3389/fchem.2021.793870] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 12/31/2021] [Indexed: 11/22/2022] Open
Abstract
The number and concentration of micropollutants in aqueous environments are increasing. Two such micropollutants include the pharmaceutical, propranolol hydrochloride, and dye intermediate, 2-naphthol. Here, we describe the synthesis of both linear and crosslinked pyridine-functionalized copolymers that bind and remove propranolol hydrochloride and 2-naphthol from water solutions. Propranolol hydrochloride and 2-naphthol both contain hydrogen-bond-donor groups, and the pyridine moiety on the polymer acts as a hydrogen-bond acceptor to facilitate removal. Copolymers with different amounts of pyridine comonomer are synthesized, and as the amount of the pyridine comonomer is increased, the ability of the polymer to bind and remove the contaminant also increases. The concentrations of propranolol hydrochloride and 2-naphthol decreased by approximately 20–40% and 60–88%, respectively, depending on the polymer type that is used in the binding experiment. A control polymer was synthesized by using styrene in place of the pyridine monomer. In analogous binding experiments, the styrene polymer decreases the concentration of propranolol hydrochloride by 2% and 2-naphthol by 26%. Thus, the binding effectiveness is significantly reduced when the hydrogen-bond-acceptor group is not present on the polymer. We also show that the best performing crosslinked pyridine-functionalized polymer is reusable. Overall, these polymer adsorbents demonstrate the potential for removal of micropollutants from water.
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11
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Chen W, Chen P, Zhang G, Xing G, Feng Y, Yang YW, Chen L. Macrocycle-derived hierarchical porous organic polymers: synthesis and applications. Chem Soc Rev 2021; 50:11684-11714. [PMID: 34491253 DOI: 10.1039/d1cs00545f] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Porous organic polymers (POPs), as a new category of advanced porous materials, have received broad research interests owing to the advantages of light-weight, robust scaffolds, high specific surface areas and good functional tailorability. According to the long-range ordering of polymer skeletons, POPs can be either crystalline or amorphous. Macrocycles with inherent cavities can serve as receptors for recognizing or capturing specific guest molecules through host-guest interactions. Incorporating macrocycles in POP skeletons affords win-win merits, e.g. hierarchical porosity and novel physicochemical properties. In this review, we focus on the recent progress associated with new architectures of macrocycle-based POPs. Herein, these macrocycles are divided into two subclasses: non-planar (crown ether, calixarene, pillararene, cyclodextrin, cyclotricatechylene, etc.) and planar (arylene-ethynylene macrocycles). We summarize the synthetic methods of each macrocyclic POP in terms of the functions of versatile building blocks. Subsequently, we discuss the performance of macrocyclic POPs in environmental remediation, gas adsorption, heterogeneous catalysis, fluorescence sensing and ionic conduction. Although considerable examples are reported, the development of macrocyclic POPs is still in its infancy. Finally, we propose the underlying challenges and opportunities of macrocycle-based POPs.
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Affiliation(s)
- Weiben Chen
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, Tianjin 300072, China.
| | - Pei Chen
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, Tianjin 300072, China.
| | - Guang Zhang
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, Tianjin 300072, China.
| | - Guolong Xing
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, Tianjin 300072, China.
| | - Yu Feng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institution of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, China.
| | - Ying-Wei Yang
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Long Chen
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, Tianjin 300072, China. .,College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
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12
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Gutiérrez M, Grillini V, Mutavdžić Pavlović D, Verlicchi P. Activated carbon coupled with advanced biological wastewater treatment: A review of the enhancement in micropollutant removal. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 790:148050. [PMID: 34091341 DOI: 10.1016/j.scitotenv.2021.148050] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 05/27/2023]
Abstract
This study consists of a review on the removal efficiencies of a wide spectrum of micropollutants (MPs) in biological treatment (mainly membrane bioreactor) coupled with activated carbon (AC) (AC added in the bioreactor or followed by an AC unit, acting as a post treatment). It focuses on how the presence of AC may promote the removal of MPs and the effects of dissolved organic matter (DOM) in wastewater. Removal data collected of MPs are analysed versus AC dose if powdered AC is added in the bioreactor, and as a function of the empty bed contact time in the case of a granular activated carbon (GAC) column acting as a post treatment. Moreover, the enhancement in macropollutant (organic matter, nitrogen and phosphorus compounds) removal is analysed as well as the AC mitigation effect towards membrane fouling and, finally, how sludge properties may change in the presence of AC. To sum up, it was found that AC improves the removal of most MPs, favouring their sorption on the AC surface, promoted by the presence of different functional groups and then enhancing their degradation processes. DOM is a strong competitor in sorption on the AC surface, but it may promote the transformation of GAC in a biologically activated carbon thus enhancing all the degradation processes. Finally, AC in the bioreactor increases sludge floc strength and improves its settling characteristics and sorption potential.
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Affiliation(s)
- Marina Gutiérrez
- Department of Engineering, University of Ferrara, Via Saragat 1, 44122 Ferrara, Italy.
| | - Vittoria Grillini
- Department of Engineering, University of Ferrara, Via Saragat 1, 44122 Ferrara, Italy.
| | - Dragana Mutavdžić Pavlović
- Department of Analytical Chemistry, Faculty of Chemical Engineering, University of Zagreb, Trg Marka Marulića 19, 10000 Zagreb, Croatia.
| | - Paola Verlicchi
- Department of Engineering, University of Ferrara, Via Saragat 1, 44122 Ferrara, Italy.
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Feng JF, Tan M, Zhang S, Li BJ. Recent Advances of Porous Materials Based on Cyclodextrin. Macromol Rapid Commun 2021; 42:e2100497. [PMID: 34608701 DOI: 10.1002/marc.202100497] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/15/2021] [Indexed: 12/15/2022]
Abstract
Porous materials have attracted significant attention because of their rising applications in many fields. Cyclodextrins (CDs) are suitable building units in the fabrication of porous materials owing to their intrinsic nanoporous structure, easy modification, and biocompatibility, which may result in the formation of CD-based organic frameworks (including cyclodextrin metal-organic frameworks (CD-MOFs) and cyclodextrin covalent organic frameworks (CD-COFs)), and CD-based polymer hybrid porous materials. This review focuses on the recent progress in the fabrication and applications of CD-based porous materials with novel structures and functionalities.
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Affiliation(s)
- Jun-Feng Feng
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Sichuan University, Chengdu, 610065, China
| | - Min Tan
- Chinese Academy of Sciences, Chengdu Institute of Biology, Chengdu, 610065, China
| | - Sheng Zhang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Sichuan University, Chengdu, 610065, China
| | - Bang-Jing Li
- Chinese Academy of Sciences, Chengdu Institute of Biology, Chengdu, 610065, China
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Yang L, Ke H, Yao H, Jiang W. Effective and Rapid Removal of Polar Organic Micropollutants from Water by Amide Naphthotube‐Crosslinked Polymers. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202106998] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Liu‐Pan Yang
- Shenzhen Grubbs Institute Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Academy of Advanced Interdisciplinary Studies Southern University of Science and Technology Xueyuan Blvd 1088 Shenzhen 518055 China
| | - Hua Ke
- Shenzhen Grubbs Institute Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Academy of Advanced Interdisciplinary Studies Southern University of Science and Technology Xueyuan Blvd 1088 Shenzhen 518055 China
| | - Huan Yao
- Shenzhen Grubbs Institute Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Academy of Advanced Interdisciplinary Studies Southern University of Science and Technology Xueyuan Blvd 1088 Shenzhen 518055 China
| | - Wei Jiang
- Shenzhen Grubbs Institute Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Academy of Advanced Interdisciplinary Studies Southern University of Science and Technology Xueyuan Blvd 1088 Shenzhen 518055 China
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15
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Yang LP, Ke H, Yao H, Jiang W. Effective and Rapid Removal of Polar Organic Micropollutants from Water by Amide Naphthotube-Crosslinked Polymers. Angew Chem Int Ed Engl 2021; 60:21404-21411. [PMID: 34227192 DOI: 10.1002/anie.202106998] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/16/2021] [Indexed: 12/29/2022]
Abstract
It is challenging to remove polar organic micropollutants from water through adsorption-mediated processes. Macrocycle-crosslinked polymers were recently shown to be effective adsorbents for nonpolar or charged organic micropollutants through specific host-guest binding, but are rarely used for the treatment of neutral and polar organic micropollutants. This is due to the challenge of recognizing polar molecules in water by macrocyclic hosts. In this research, we report two amide naphthotube-crosslinked polymers which can effectively and rapidly adsorb a wide scope of polar organic micropollutants from water through biomimetic molecular recognition. Amide naphthotubes possess hydrogen bonding sites in their deep hydrophobic cavities and can effectively bind polar organic micropollutants in water through the hydrophobic effects and shielded hydrogen bonds. The cross-linked polymers containing amide naphthotubes are even able to remove a complex mixture of organic micropollutants from water and the used materials can be easily regenerated through washing with MeOH or EtOH. This research provides a solution for the treatment of polar organic micropollutants by using biomimetic molecular recognition in water.
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Affiliation(s)
- Liu-Pan Yang
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Academy of Advanced Interdisciplinary Studies, Southern University of Science and Technology, Xueyuan Blvd 1088, Shenzhen, 518055, China
| | - Hua Ke
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Academy of Advanced Interdisciplinary Studies, Southern University of Science and Technology, Xueyuan Blvd 1088, Shenzhen, 518055, China
| | - Huan Yao
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Academy of Advanced Interdisciplinary Studies, Southern University of Science and Technology, Xueyuan Blvd 1088, Shenzhen, 518055, China
| | - Wei Jiang
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Academy of Advanced Interdisciplinary Studies, Southern University of Science and Technology, Xueyuan Blvd 1088, Shenzhen, 518055, China
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16
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Lei Y, Langenhoff A, Bruning H, Rijnaarts H. Sorption of micropollutants on selected constructed wetland support matrices. CHEMOSPHERE 2021; 275:130050. [PMID: 33984907 DOI: 10.1016/j.chemosphere.2021.130050] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 02/12/2021] [Accepted: 02/18/2021] [Indexed: 06/12/2023]
Abstract
Micropollutants (MPs) are organic chemicals that are present in the environment at low concentrations (ng/L-μg/L), for example pharmaceuticals. A constructed wetland (CW) is a promising post-treatment technique to remove MPs from wastewater effluent. Selecting a suitable material for support matrix is important when designing such a CW. Nine materials were studied as potential support matrices: Light Expanded Clay Aggregates (LECA), compost, bark, granulated activated carbon (GAC), biochar, granulated cork, lava rock, sand and gravel. Batch experiments were conducted to study MP removal by nine materials in phosphate buffer with 5 or 50 μg/L MPs, or wastewater effluent with 50 μg/L of MPs. GAC and biochar removed almost all MPs in both phosphate buffer and wastewater effluent, followed by bark, compost, granulated cork. Sand, gravel, LECA and lava rock removed less than 30% of most MPs in both matrixes. Based on set criteria (e.g. removal efficiency), biochar, bark, compost, LECA and sand were selected, and used in combinations in column studies to test their overall performance. A combination of bark and biochar performed the best on MP removal, as 4 MPs were highly (70%-100%) removed, 4 MPs were moderately (30%-70%) removed while only 3 MPs were hardly removed. The main flow regime of this combination was both plug flow and dispersive flow. Moreover, we hypothesized to apply bark and biochar in a CW. Based on the assumptions and calculations, some benefits are expected, such as increasing MP removal and extending operation time.
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Affiliation(s)
- Yu Lei
- Environmental Technology, Wageningen University & Research, 6700, AA, Wageningen, the Netherlands
| | - Alette Langenhoff
- Environmental Technology, Wageningen University & Research, 6700, AA, Wageningen, the Netherlands.
| | - Harry Bruning
- Environmental Technology, Wageningen University & Research, 6700, AA, Wageningen, the Netherlands
| | - Huub Rijnaarts
- Environmental Technology, Wageningen University & Research, 6700, AA, Wageningen, the Netherlands
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Insight into the Sorption of 5-Fluorouracil and Methotrexate onto Soil-pH, Ionic Strength, and Co-Contaminant Influence. Molecules 2021; 26:molecules26061674. [PMID: 33802784 PMCID: PMC8002423 DOI: 10.3390/molecules26061674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/08/2021] [Accepted: 03/10/2021] [Indexed: 11/17/2022] Open
Abstract
Nowadays anticancer drugs (ADs), like other pharmaceuticals, are recognized as new emerging pollutants, meaning that they are not commonly monitored in the environment; however, they have great potential to enter the environment and cause adverse effects there. The current scientific literature highlights the problem of their presence in the aquatic environment by publishing more and more results on their analytics and ecotoxicological evaluation. In order to properly assess the risk associated with the presence of ADs in the environment, it is also necessary to investigate the processes that are important in understanding the environmental fate of these compounds. However, the state of knowledge on mobility of ADs in the environment is still very limited. Therefore, the main aim of our study was to investigate the sorption potential of two anticancer drugs, 5-fluorouracil (5-FU) and methotrexate (MTX), onto different soils. Special attention was paid to the determination of the influence of pH and ionic strength as well as presence of co-contaminants (cadmium (Cd2+) and another pharmaceutical-metoprolol (MET)) on the sorption of 5-FU and MTX onto soil. The obtained distribution coefficient values (Kd) ranged from 2.52 to 6.36 L·kg-1 and from 6.79 to 12.94 L·kg-1 for 5-FU and MTX, respectively. Investigated compounds may be classified as slightly or low mobile in the soil matrix (depending on soil). 5-FU may be recognized as more mobile in comparison to MET. It was proved that presence of other soil contaminants may strongly influence their mobility in soil structures. The investigated co-contaminant (MET) caused around 25-fold increased sorption of 5-FU, whereas diminished sorption of MTX. Moreover, the influence of environmental conditions such as pH and ionic strength on their sorption has been clearly demonstrated.
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18
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Wang X, Xie L, Lin K, Ma W, Zhao T, Ji X, Alyami M, Khashab NM, Wang H, Sessler JL. Calix[4]pyrrole‐Crosslinked Porous Polymeric Networks for the Removal of Micropollutants from Water. Angew Chem Int Ed Engl 2021; 60:7188-7196. [DOI: 10.1002/anie.202016364] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Indexed: 01/20/2023]
Affiliation(s)
- Xiaohua Wang
- Department of Chemistry College of Science, and Center for Supramolecular Chemistry & Catalysis Shanghai University 99 Shangda Road Shanghai 200444 China
| | - Linhuang Xie
- Department of Chemistry College of Science, and Center for Supramolecular Chemistry & Catalysis Shanghai University 99 Shangda Road Shanghai 200444 China
| | - Kunhua Lin
- Department of Chemistry College of Science, and Center for Supramolecular Chemistry & Catalysis Shanghai University 99 Shangda Road Shanghai 200444 China
| | - Weibin Ma
- Department of Chemistry College of Science, and Center for Supramolecular Chemistry & Catalysis Shanghai University 99 Shangda Road Shanghai 200444 China
| | - Tian Zhao
- Department of Chemistry The University of Texas at Austin 105 E. 24th Street A5300 Austin TX 78712 USA
| | - Xiaofan Ji
- Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure School of Chemistry and Chemical Engineering Huazhong University of Science and Technology Wuhan 430074 China
| | - Mram Alyami
- Smart Hybrid Materials Laboratory Physical Science and Engineering Division King Abdullah University of Science and Technology Thuwal 23955-6900 Kingdom of Saudi Arabia
| | - Niveen M. Khashab
- Smart Hybrid Materials Laboratory Physical Science and Engineering Division King Abdullah University of Science and Technology Thuwal 23955-6900 Kingdom of Saudi Arabia
| | - Hongyu Wang
- Department of Chemistry College of Science, and Center for Supramolecular Chemistry & Catalysis Shanghai University 99 Shangda Road Shanghai 200444 China
| | - Jonathan L. Sessler
- Department of Chemistry College of Science, and Center for Supramolecular Chemistry & Catalysis Shanghai University 99 Shangda Road Shanghai 200444 China
- Department of Chemistry The University of Texas at Austin 105 E. 24th Street A5300 Austin TX 78712 USA
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19
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Wang X, Xie L, Lin K, Ma W, Zhao T, Ji X, Alyami M, Khashab NM, Wang H, Sessler JL. Calix[4]pyrrole‐Crosslinked Porous Polymeric Networks for the Removal of Micropollutants from Water. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016364] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Xiaohua Wang
- Department of Chemistry College of Science, and Center for Supramolecular Chemistry & Catalysis Shanghai University 99 Shangda Road Shanghai 200444 China
| | - Linhuang Xie
- Department of Chemistry College of Science, and Center for Supramolecular Chemistry & Catalysis Shanghai University 99 Shangda Road Shanghai 200444 China
| | - Kunhua Lin
- Department of Chemistry College of Science, and Center for Supramolecular Chemistry & Catalysis Shanghai University 99 Shangda Road Shanghai 200444 China
| | - Weibin Ma
- Department of Chemistry College of Science, and Center for Supramolecular Chemistry & Catalysis Shanghai University 99 Shangda Road Shanghai 200444 China
| | - Tian Zhao
- Department of Chemistry The University of Texas at Austin 105 E. 24th Street A5300 Austin TX 78712 USA
| | - Xiaofan Ji
- Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure School of Chemistry and Chemical Engineering Huazhong University of Science and Technology Wuhan 430074 China
| | - Mram Alyami
- Smart Hybrid Materials Laboratory Physical Science and Engineering Division King Abdullah University of Science and Technology Thuwal 23955-6900 Kingdom of Saudi Arabia
| | - Niveen M. Khashab
- Smart Hybrid Materials Laboratory Physical Science and Engineering Division King Abdullah University of Science and Technology Thuwal 23955-6900 Kingdom of Saudi Arabia
| | - Hongyu Wang
- Department of Chemistry College of Science, and Center for Supramolecular Chemistry & Catalysis Shanghai University 99 Shangda Road Shanghai 200444 China
| | - Jonathan L. Sessler
- Department of Chemistry College of Science, and Center for Supramolecular Chemistry & Catalysis Shanghai University 99 Shangda Road Shanghai 200444 China
- Department of Chemistry The University of Texas at Austin 105 E. 24th Street A5300 Austin TX 78712 USA
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20
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Dias R, Sousa D, Bernardo M, Matos I, Fonseca I, Vale Cardoso V, Neves Carneiro R, Silva S, Fontes P, Daam MA, Maurício R. Study of the Potential of Water Treatment Sludges in the Removal of Emerging Pollutants. Molecules 2021; 26:molecules26041010. [PMID: 33672924 PMCID: PMC7918913 DOI: 10.3390/molecules26041010] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/04/2021] [Accepted: 02/10/2021] [Indexed: 01/12/2023] Open
Abstract
Presently, water quantity and quality problems persist both in developed and developing countries, and concerns have been raised about the presence of emerging pollutants (EPs) in water. The circular economy provides ways of achieving sustainable resource management that can be implemented in the water sector, such as the reuse of drinking water treatment sludges (WTSs). This study evaluated the potential of WTS containing a high concentration of activated carbon for the removal of two EPs: the steroid hormones 17β-estradiol (E2) and 17α-ethinylestradiol (EE2). To this end, WTSs from two Portuguese water treatment plants (WTPs) were characterised and tested for their hormone adsorbance potential. Both WTSs showed a promising adsorption potential for the two hormones studied due to their textural and chemical properties. For WTS1, the final concentration for both hormones was lower than the limit of quantification (LOQ). As for WTS2, the results for E2 removal were similar to WTS1, although for EE2, the removal efficiency was lower (around 50%). The overall results indicate that this method may lead to new ways of using this erstwhile residue as a possible adsorbent material for the removal of several EPs present in wastewaters or other matrixes, and as such contributing to the achievement of Sustainable Development Goals (SDG) targets.
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Affiliation(s)
- Rita Dias
- CENSE—Center for Environmental and Sustainability Research, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal; (D.S.); (M.A.D.); (R.M.)
- Correspondence:
| | - Diogo Sousa
- CENSE—Center for Environmental and Sustainability Research, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal; (D.S.); (M.A.D.); (R.M.)
| | - Maria Bernardo
- LAQV/REQUIMTE, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal; (M.B.); (I.M.); (I.F.)
| | - Inês Matos
- LAQV/REQUIMTE, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal; (M.B.); (I.M.); (I.F.)
| | - Isabel Fonseca
- LAQV/REQUIMTE, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal; (M.B.); (I.M.); (I.F.)
| | - Vitor Vale Cardoso
- EPAL—Empresa Pública de Águas Lives S.A., AdP—Grupo Águas de Portugal, 31700-421 Lisboa, Portugal; (V.V.C.); (R.N.C.); (S.S.); (P.F.)
| | - Rui Neves Carneiro
- EPAL—Empresa Pública de Águas Lives S.A., AdP—Grupo Águas de Portugal, 31700-421 Lisboa, Portugal; (V.V.C.); (R.N.C.); (S.S.); (P.F.)
| | - Sofia Silva
- EPAL—Empresa Pública de Águas Lives S.A., AdP—Grupo Águas de Portugal, 31700-421 Lisboa, Portugal; (V.V.C.); (R.N.C.); (S.S.); (P.F.)
| | - Pedro Fontes
- EPAL—Empresa Pública de Águas Lives S.A., AdP—Grupo Águas de Portugal, 31700-421 Lisboa, Portugal; (V.V.C.); (R.N.C.); (S.S.); (P.F.)
| | - Michiel A. Daam
- CENSE—Center for Environmental and Sustainability Research, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal; (D.S.); (M.A.D.); (R.M.)
| | - Rita Maurício
- CENSE—Center for Environmental and Sustainability Research, School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal; (D.S.); (M.A.D.); (R.M.)
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21
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Webb DT, Nagorzanski MR, Powers MM, Cwiertny DM, Hladik ML, LeFevre GH. Differences in Neonicotinoid and Metabolite Sorption to Activated Carbon Are Driven by Alterations to the Insecticidal Pharmacophore. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:14694-14705. [PMID: 33119293 DOI: 10.1021/acs.est.0c04187] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Widespread application of neonicotinoids has led to their proliferation in waters. Despite low neonicotinoid hydrophobicity, our prior studies implicated granular activated carbon (GAC) in neonicotinoid removal. Based on known receptor binding characteristics, we hypothesized that the insecticidal pharmacophore influences neonicotinoid sorption. Our objectives were to illuminate drivers of neonicotinoid sorption for parent neonicotinoids (imidacloprid, clothianidin, thiamethoxam, and thiacloprid) and pharmacophore-altered metabolites (desnitro-imidacloprid and imidacloprid urea) to GAC, powdered activated carbon, and carbon nanotubes (CNTs). Neonicotinoid sorption to GAC was extensive and largely irreversible, with significantly greater sorption of imidacloprid than desnitro-imidacloprid. Imidacloprid and imidacloprid urea (electronegative pharmacophores) sorbed most extensively to nonfunctionalized CNTs, whereas desnitro-imidacloprid (positive pharmacophore) sorbed most to COOH-CNTs, indicating the importance of charge interactions and/or hydrogen bonding between the pharmacophore and carbon surface. Water chemistry parameters (temperature, alkalinity, ionic strength, and humic acid) inhibited overall neonicotinoid sorption, suggesting that pharmacophore-driven sorption in real waters may be diminished. Analysis of a full-scale drinking water treatment plant GAC filter influent, effluent, and spent GAC attributes neonicotinoid/metabolite removal to GAC under real-world conditions for the first time. Our results demonstrate that the neonicotinoid pharmacophore not only confers insecticide selectivity but also impacts sorption behavior, leading to less effective removal of metabolites by GAC filters in water treatment.
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Affiliation(s)
- Danielle T Webb
- Department of Civil & Environmental Engineering, University of Iowa, 4105 Seamans Center, Iowa City, Iowa 52242, United States
- IIHR-Hydroscience & Engineering, 100 C. Maxwell Stanley Hydraulics Laboratory, Iowa City, Iowa 52242, United States
| | - Matthew R Nagorzanski
- Department of Civil & Environmental Engineering, University of Iowa, 4105 Seamans Center, Iowa City, Iowa 52242, United States
- IIHR-Hydroscience & Engineering, 100 C. Maxwell Stanley Hydraulics Laboratory, Iowa City, Iowa 52242, United States
| | - Megan M Powers
- Department of Civil & Environmental Engineering, University of Iowa, 4105 Seamans Center, Iowa City, Iowa 52242, United States
- IIHR-Hydroscience & Engineering, 100 C. Maxwell Stanley Hydraulics Laboratory, Iowa City, Iowa 52242, United States
| | - David M Cwiertny
- Department of Civil & Environmental Engineering, University of Iowa, 4105 Seamans Center, Iowa City, Iowa 52242, United States
- IIHR-Hydroscience & Engineering, 100 C. Maxwell Stanley Hydraulics Laboratory, Iowa City, Iowa 52242, United States
- Center for Health Effects of Environmental Contamination, University of Iowa, 455 Van Allen Hall, Iowa City, Iowa 52242, United States
- Public Policy Center, University of Iowa, 310 South Grand Ave, 209 South Quadrangle, Iowa City, Iowa 52242, United States
| | - Michelle L Hladik
- U.S. Geological Survey, California Water Science Center, 6000 J Street, Placer Hall, Sacramento, California 95819, United States
| | - Gregory H LeFevre
- Department of Civil & Environmental Engineering, University of Iowa, 4105 Seamans Center, Iowa City, Iowa 52242, United States
- IIHR-Hydroscience & Engineering, 100 C. Maxwell Stanley Hydraulics Laboratory, Iowa City, Iowa 52242, United States
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Niero G, Rodrigues CA, Almerindo GI, Corrêa AXR, Gaspareto P, Feuzer-Matos AJ, Somensi CA, Radetski CM. Using basic parameters to evaluate adsorption potential of alternative materials: example of amoxicillin adsorption by activated carbon produced from termite bio-waste. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2020; 56:32-43. [PMID: 33090067 DOI: 10.1080/10934529.2020.1835125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 10/02/2020] [Accepted: 10/07/2020] [Indexed: 06/11/2023]
Abstract
The minimum set of parameters that can be used to assess the adsorption capacity of activated carbon (AC) produced from termite bio-waste was determined. Three types of AC were prepared: AC600 at 600 °C, MAC600 at the same temperature and impregnated with FeCl3, and AC800 at 800 °C. The influence of the solution pH on the adsorption, adsorption kinetics, isotherms and thermodynamic parameters was considered to characterize the amoxicillin (AMX) adsorption process. The AC materials had surface areas (m2 g-1) of approximately 248.8 for AC600, 501.6 for AC800 and 269.5 for MAC600, with point of zero charge (pHPZC) values of 8.3, 7.5 and 1.7, respectively. A time period of 30 min was chosen for the adsorption kinetics, which was best represented by the pseudo-first-order model for AC600, the intraparticle diffusion model for AC800 and the pseudo-second-order model for MAC600. Regarding the isotherms, a maximum adsorption of 23.4 mg g-1 was found for AC800. In general, the thermodynamic parameters demonstrated a non-spontaneous process. It seems that the medium conditions, the adsorbate and adsorbent characteristics, and the Gibbs free energy are the most important parameters to be considered in a preliminary assessment of the adsorption efficiency of specific adsorbent/adsorbate pairs.
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Affiliation(s)
- Guilherme Niero
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciência e Tecnologia Ambiental, Itajaí, Brazil
| | - Clóvis A Rodrigues
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciências Farmacêuticas, Itajaí, Brazil
| | - Gizelle I Almerindo
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciências Farmacêuticas, Itajaí, Brazil
| | - Albertina X R Corrêa
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciência e Tecnologia Ambiental, Itajaí, Brazil
| | - Patrick Gaspareto
- Universidade Federal de Santa Catarina (UFSC), Hospital Universitário, Florianópolis, Brazil
| | - Ana J Feuzer-Matos
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciência e Tecnologia Ambiental, Itajaí, Brazil
| | - Cleder A Somensi
- Instituto Federal Catarinense (IFC), Curso de Mestrado Profissional em Tecnologia e Ambiente, Araquari, Brazil
| | - Claudemir M Radetski
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciência e Tecnologia Ambiental, Itajaí, Brazil
- Instituto Federal Catarinense (IFC), Curso de Mestrado Profissional em Tecnologia e Ambiente, Araquari, Brazil
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23
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Klemes MJ, Skala LP, Ateia M, Trang B, Helbling DE, Dichtel WR. Polymerized Molecular Receptors as Adsorbents to Remove Micropollutants from Water. Acc Chem Res 2020; 53:2314-2324. [PMID: 32930563 DOI: 10.1021/acs.accounts.0c00426] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Organic micropollutants (MPs) are increasing in number and concentration in water systems as a result of human activities. Often from human origin, these micropollutants build up in the environment because organisms lack the mechanisms to metabolize these substances, which cause negative health, ecological, and economic effects. Adsorption-based remediation processes for these compounds often rely on activated carbon materials. However, activated carbons are ineffective against certain MPs, exhibit low removal efficiencies in the presence of common aqueous matrix constituents, and require energy-intensive activation and regeneration processes. To overcome the deficiencies of traditional technologies, novel adsorbents based on molecular receptors offer promising alternative solutions. This Account describes the recent development of polymer adsorbents based on molecular receptors for removing trace organic chemicals from water. Polymer networks based on molecular receptors have high binding affinities for many MPs but, unlike activated carbons, have a specific molecule-binding mechanism that prevents these polymers from being fouled by matrix constituents such as natural organic matter. The size and hydrophobic pocket of the β-cyclodextrin receptor preferentially adsorbs target molecules such as organic micropollutants in the presence of matrix constituents, and the nature of the cross-linker tunes the binding affinity and selectivity of the adsorbent for specific classes of MPs, including those of varying charge and hydrophobicity. β-cyclodextrin polymers also exhibit rapid adsorption kinetics and are easily regenerated. This Account details β-cyclodextrin polymers made with three different cross-linkers, including a polymer that is postsynthetically transformed from a negatively charged polymer to a positively charged polymer to invert the polymer's micropollutant adsorption profile. Morphological constraints have so far limited these cross-linked polymers' ability to be used in commercial applications, but two methods to create larger and more uniformly sized particles for use in flow-through applications are described here. β-Cyclodextrin polymers are useful for trapping organic micropollutants such as bisphenol A, perfluorooctanoic acid, and many kinds of pharmaceuticals and pesticides, but their binding pockets are too large to capture micropollutants that are small or of high polarity. Other molecular receptors such as resorcinarene cavitands can target lower-molecular-weight MPs, including halomethane disinfection byproducts and industrial solvents, that are not bound strongly by β-cyclodextrins. These materials demonstrate the potential of expanding the library of polymers based on molecular receptors. Overall, these emerging adsorbents show promise for the removal of legacy and emerging MPs from water, as well as the ability to rationally tune the adsorbent's structure to target the most persistent and toxic MPs.
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Affiliation(s)
- Max J. Klemes
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Luke P. Skala
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Mohamed Ateia
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Brittany Trang
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Damian E. Helbling
- School of Civil and Environmental Engineering, Cornell University, Ithaca, New York 14853, United States
| | - William R. Dichtel
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
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Kiefer K, Bader T, Minas N, Salhi E, Janssen EML, von Gunten U, Hollender J. Chlorothalonil transformation products in drinking water resources: Widespread and challenging to abate. WATER RESEARCH 2020; 183:116066. [PMID: 32652346 DOI: 10.1016/j.watres.2020.116066] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/25/2020] [Accepted: 06/14/2020] [Indexed: 06/11/2023]
Abstract
Chlorothalonil, a fungicide applied for decades worldwide, has recently been banned in the European Union (EU) and Switzerland due to its carcinogenicity and the presence of potentially toxic transformation products (TPs) in groundwater. The spread and concentration range of chlorothalonil TPs in different drinking water resources was examined (73 groundwater and four surface water samples mainly from Switzerland). The chlorothalonil sulfonic acid TPs (R471811, R419492, R417888) occurred more frequently and at higher concentrations (detected in 65-100% of the samples, ≤2200 ngL-1) than the phenolic TPs (SYN507900, SYN548580, R611968; detected in 10-30% of the samples, ≤130 ngL-1). The TP R471811 was found in all samples and even in 52% of the samples above 100 ngL-1, the drinking water standard in Switzerland and other European countries. Therefore, the abatement of chlorothalonil TPs was investigated in laboratory and pilot-scale experiments and along the treatment train of various water works, comprising aquifer recharge, UV disinfection, ozonation, advanced oxidation processes (AOPs), activated carbon treatment, and reverse osmosis. The phenolic TPs can be abated during ozonation (second order rate constant kO3 ∼104 M-1s-1) and by reaction with hydroxyl radicals (OH) in AOPs (kOH ∼109 M-1s-1). In contrast, the sulfonic acid TPs, which occurred in higher concentrations in drinking water resources, react only very slowly with ozone (kO3 <0.04 M-1s-1) and OH (kOH <5.0 × 107 M-1s-1) and therefore persist in ozonation and OH-based AOPs. Activated carbon retained the very polar TP R471811 only up to a specific throughput of 25 m3kg-1 (20% breakthrough), similarly to the X-ray contrast agent diatrizoic acid. Reverse osmosis was capable of removing all chlorothalonil TPs by ≥98%.
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Affiliation(s)
- Karin Kiefer
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600, Dübendorf, Switzerland; Institute of Biogeochemistry and Pollutant Dynamics, ETH Zurich, 8092, Zurich, Switzerland
| | - Tobias Bader
- Laboratory for Operation Control and Research, Zweckverband Landeswasserversorgung, 89129, Langenau, Germany
| | - Nora Minas
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600, Dübendorf, Switzerland
| | - Elisabeth Salhi
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600, Dübendorf, Switzerland
| | - Elisabeth M-L Janssen
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600, Dübendorf, Switzerland
| | - Urs von Gunten
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600, Dübendorf, Switzerland; Institute of Biogeochemistry and Pollutant Dynamics, ETH Zurich, 8092, Zurich, Switzerland; School of Architecture, Civil and Environmental Engineering (ENAC), École Polytechnique Fédérale de Lausanne (EPFL), 1015, Lausanne, Switzerland
| | - Juliane Hollender
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600, Dübendorf, Switzerland; Institute of Biogeochemistry and Pollutant Dynamics, ETH Zurich, 8092, Zurich, Switzerland.
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Periasamy R. A systematic review on the significant roles of cyclodextrins in the construction of supramolecular systems and their potential usage in various fields. J Carbohydr Chem 2020. [DOI: 10.1080/07328303.2020.1792919] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- R. Periasamy
- Department of Chemistry, Annamalai University, Annamalainagar, India
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Hemine K, Skwierawska A, Kernstein A, Kozłowska-Tylingo K. Cyclodextrin polymers as efficient adsorbents for removing toxic non-biodegradable pimavanserin from pharmaceutical wastewaters. CHEMOSPHERE 2020; 250:126250. [PMID: 32234618 DOI: 10.1016/j.chemosphere.2020.126250] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 02/14/2020] [Accepted: 02/15/2020] [Indexed: 06/11/2023]
Abstract
Presence of even small amount of active pharmaceutical ingredients in the environment carries risks to human and animal health, presenting an important issue. The paper presents issues related to the new drug - pimavanserin (PMV). Biological treatment efficiency of pimavanserin (PMV) was evaluated using lab-scale Sequencing Batch Reactor (SBR). It has been shown to have a negative effect on aquatic organisms by classifying it as a toxic compound (EC50 = 8 mgL-1). The level of biological degradation of PMV was insufficient (37%) and intensively foam formation caused operational problems. For this reason, in this study polymers based on cyclodextrins (CDs) were synthesized and used as adsorbents alternative to active carbons to effectively separate PMV from real industrial waste streams. Crosslinked β- and γ-CD polymers (β- and γ-NS), obtained in reaction with 1,1'-carbonyldiimidazole (CDI), were fully characterized by physicochemical methods. The adsorption equilibrium data were interpreted using Freundlich and Langmuir models. The sorption process was fast (60 s) and the efficiency of PMV separation from model waste waters was 93% and 81% for β- and γ-NS, respectively. Maximum polymer capacity was found at 52.08 mg g-1 for β-NS and 23.26 mg g-1 for γ-NS. The interactions of PMV with CDs have been studied and indicate that major mechanism of the sorption is based on supramolecular interaction and capture to polymer network. Described biodegradable and reusable materials are perfect example of correctly selected adsorbent for separation of target substance from postproduction aqueous media.
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Affiliation(s)
- K Hemine
- Department of Chemistry and Technology of Functional Materials, Gdansk University of Technology, Narutowicza 11/12, 80-233, Gdansk, Poland
| | - A Skwierawska
- Department of Chemistry and Technology of Functional Materials, Gdansk University of Technology, Narutowicza 11/12, 80-233, Gdansk, Poland.
| | - A Kernstein
- Department of Chemistry and Technology of Functional Materials, Gdansk University of Technology, Narutowicza 11/12, 80-233, Gdansk, Poland
| | - K Kozłowska-Tylingo
- Department of Pharmaceutical Technology and Biochemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233, Gdansk, Poland
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Ling Y, Alzate-Sánchez DM, Klemes MJ, Dichtel WR, Helbling DE. Evaluating the effects of water matrix constituents on micropollutant removal by activated carbon and β-cyclodextrin polymer adsorbents. WATER RESEARCH 2020; 173:115551. [PMID: 32032887 DOI: 10.1016/j.watres.2020.115551] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 01/18/2020] [Accepted: 01/25/2020] [Indexed: 06/10/2023]
Abstract
The performance of adsorbents for the removal of organic micropollutants (MPs) from water can be influenced by the presence of water matrix constituents. The objective of this research was to evaluate the influence of water matrix constituents on the performance of coconut-shell activated carbon (CCAC), porous β-cyclodextrin polymer (CDP), and CDP coated on cellulose microcrystal (CDP@CMC) adsorbents. MP removals were measured in batch experiments for a mixture of 90 MP at 1 μg L-1 and MP breakthrough was measured in rapid small-scale column test (RSSCT) experiments for a mixture of 15 MP at 500 ng L-1. All experiments were performed first with nanopure water, and subsequently with six different water samples collected from two separate groundwater, surface water, and wastewater effluent sources. The results of batch and RSSCT experiments demonstrate more rapid adsorption kinetics and less adsorption inhibition in the presence of matrix constituents for CDP adsorbents relative to CCAC. Further, the treatment capacity of CDP@CMC in the RSSCT experiments was higher than that of CCAC, particularly in more complex water matrices. Statistical analyses were performed to investigate associations between adsorption inhibition among groups of MPs and the concentrations of specific water matrix constituents. For CCAC, adsorption inhibition was observed for all MPs and was primarily attributed to the presence of dissolved organic matter with molar weight less than 1000 Da. For CDP adsorbents, adsorption inhibition was primarily observed for cationic MPs and was attributed to the screening of the negative surface charge of CDP by inorganic ions in water samples with high ionic strength. These data further demonstrate the value of CDP as an alternative adsorbent to CCAC for the removal of MPs during water and wastewater treatment.
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Affiliation(s)
- Yuhan Ling
- School of Civil and Environmental Engineering, Cornell University, Ithaca, NY, 14853, USA
| | | | - Max J Klemes
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA
| | - William R Dichtel
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA.
| | - Damian E Helbling
- School of Civil and Environmental Engineering, Cornell University, Ithaca, NY, 14853, USA.
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Guillossou R, Le Roux J, Mailler R, Pereira-Derome CS, Varrault G, Bressy A, Vulliet E, Morlay C, Nauleau F, Rocher V, Gasperi J. Influence of dissolved organic matter on the removal of 12 organic micropollutants from wastewater effluent by powdered activated carbon adsorption. WATER RESEARCH 2020; 172:115487. [PMID: 31962270 DOI: 10.1016/j.watres.2020.115487] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 01/02/2020] [Accepted: 01/06/2020] [Indexed: 06/10/2023]
Abstract
The presence of dissolved organic matter (DOM) in wastewater effluents is recognized as the main factor limiting the adsorption of organic micropollutants (OMPs) onto activated carbon. The degree of the negative effect that DOM, depending on its quality, exerts on OMPs adsorption is still unclear. The influence of the interactions between DOM and OMPs on their removal is also not fully understood. Adsorption isotherms and conventional batch tests were performed in ultra-pure water and in wastewater effluent to study the influence of DOM on the adsorption of 12 OMPs onto powdered activated carbon. Best fit of adsorption pseudo-isotherms was obtained with the Freundlich equation and showed, as expected, that OMPs adsorption was higher in ultra-pure water than in wastewater effluent due to the presence of DOM leading to pore blockage and competition for adsorption sites. LC-OCD analysis revealed that biopolymers and hydrophobic molecules were the most adsorbed fractions while humic acids were not removed after a contact time of either 30 min or 72 h. The presence of DOM had a negative impact on the removal of all OMPs after 30 min of adsorption, but similar removals to ultra-pure water were obtained for 6 OMPs after 72 h of adsorption. This demonstrated that competition between DOM and OMPs for adsorption sites was not a major mechanism as compared to pore blockage, which only slowed down the adsorption and did not prevent it. The charge of OMPs had a clear impact: the adsorption of negatively charged compounds was reduced in the presence of wastewater effluent due to repulsive electrostatic interactions with the adsorbed DOM and the PAC surface. On the other hand, the removal of positively charged compounds was improved. A 24 h pre-equilibrium between OMPs and DOM improved their removal onto PAC, which suggest that OMPs and DOM interacted in solution which decreased the negative effects caused by the presence of DOM, e.g. through co-adsorption of an OMP-DOM complex.
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Affiliation(s)
- Ronan Guillossou
- Ecole des Ponts ParisTech, Université Paris-Est Créteil, AgroParisTech, Laboratoire Eau Environnement et Systèmes Urbains, UMR MA 102, Créteil, France
| | - Julien Le Roux
- Ecole des Ponts ParisTech, Université Paris-Est Créteil, AgroParisTech, Laboratoire Eau Environnement et Systèmes Urbains, UMR MA 102, Créteil, France.
| | - Romain Mailler
- Service Public de l'assainissement Francilien (SIAAP), Direction Innovation et Environnement, Colombes, France
| | - Caroline Soares Pereira-Derome
- Ecole des Ponts ParisTech, Université Paris-Est Créteil, AgroParisTech, Laboratoire Eau Environnement et Systèmes Urbains, UMR MA 102, Créteil, France
| | - Gilles Varrault
- Ecole des Ponts ParisTech, Université Paris-Est Créteil, AgroParisTech, Laboratoire Eau Environnement et Systèmes Urbains, UMR MA 102, Créteil, France
| | - Adèle Bressy
- Ecole des Ponts ParisTech, Université Paris-Est Créteil, AgroParisTech, Laboratoire Eau Environnement et Systèmes Urbains, UMR MA 102, Créteil, France
| | - Emmanuelle Vulliet
- Université de Lyon, CNRS, Université Claude Bernard Lyon 1, INSA-Lyon, MATEIS, UMR 5510, Villeurbanne, France
| | - Catherine Morlay
- Université de Lyon, CNRS, Université Claude Bernard Lyon 1, Institut des Sciences Analytiques, UMR 5280, Villeurbanne, France
| | - Fabrice Nauleau
- Saur, Direction de la Recherche et Du Développement, Maurepas, France
| | - Vincent Rocher
- Service Public de l'assainissement Francilien (SIAAP), Direction Innovation et Environnement, Colombes, France
| | - Johnny Gasperi
- Ecole des Ponts ParisTech, Université Paris-Est Créteil, AgroParisTech, Laboratoire Eau Environnement et Systèmes Urbains, UMR MA 102, Créteil, France; Water and Environment Laboratory (LEE), Geotechnical engineering, Environment, Natural hazards and Earth Sciences Department (GERS), French Institute of Science and Technology for Transport, Development and Networks (IFSTTAR), IRSTV, 44340 Bouguenais, France.
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29
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Cheng J, Gu JJ, Tao W, Wang P, Liu L, Wang CY, Li YK, Feng XH, Qiu GH, Cao FF. Edible fungus slag derived nitrogen-doped hierarchical porous carbon as a high-performance adsorbent for rapid removal of organic pollutants from water. BIORESOURCE TECHNOLOGY 2019; 294:122149. [PMID: 31563741 DOI: 10.1016/j.biortech.2019.122149] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 09/07/2019] [Accepted: 09/12/2019] [Indexed: 06/10/2023]
Abstract
In this work, agricultural waste edible fungus slag derived nitrogen-doped hierarchical porous carbon (EFS-NPC) was prepared by a simple carbonization and activation process. Owing to the biodegradation and infiltrability of hyphae, this EFS-NPC possessed an ultra-high specific surface area (3342 m2/g), large pore volume (1.84 cm3/g) and abundant micropores and mesopores. The obtained EFS-NPC could effectively adsorb bisphenol A (BPA) with the maximal adsorption capacity of 1249 mg/g and the removal process reached 89.9% of the equilibrium uptake in the first 0.5 h. Besides, the EFS-NPC showed much better removal performance towards 2,4-dichlorophenol (2,4-DCP) and methylene blue (MB) than commercial activated carbons (Norit RO 0.8 and DARCO granular activated carbon). Furthermore, adsorption isotherms, thermodynamics and kinetics researches indicated that the adsorption process of BPA was monolayer, exothermic and spontaneous. This research has given evidence that the low-cost EFS-NPC can serve as a high-efficient adsorbent for removing organic contaminants from water.
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Affiliation(s)
- Jian Cheng
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Jiang-Jiang Gu
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Wei Tao
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Ping Wang
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China; College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Lian Liu
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Cao-Yu Wang
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Yong-Ke Li
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Xiong-Han Feng
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Guo-Hong Qiu
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Fei-Fei Cao
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China; College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China.
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30
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Coimbra R, Calisto V, Ferreira C, Esteves V, Otero M. Removal of pharmaceuticals from municipal wastewater by adsorption onto pyrolyzed pulp mill sludge. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2015.12.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Piai L, Dykstra JE, Adishakti MG, Blokland M, Langenhoff AAM, van der Wal A. Diffusion of hydrophilic organic micropollutants in granular activated carbon with different pore sizes. WATER RESEARCH 2019; 162:518-527. [PMID: 31277934 DOI: 10.1016/j.watres.2019.06.012] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 05/09/2019] [Accepted: 06/05/2019] [Indexed: 05/11/2023]
Abstract
Hydrophilic organic micropollutants are commonly detected in source water used for drinking water production. Effective technologies to remove these micropollutants from water include adsorption onto granular activated carbon in fixed-bed filters. The rate-determining step in adsorption using activated carbon is usually the adsorbate diffusion inside the porous adsorbent. The presence of mesopores can facilitate diffusion, resulting in higher adsorption rates. We used two different types of granular activated carbon, with and without mesopores, to study the adsorption rate of hydrophilic micropollutants. Furthermore, equilibrium studies were performed to determine the affinity of the selected micropollutants for the activated carbons. A pore diffusion model was applied to the kinetic data to obtain pore diffusion coefficients. We observed that the adsorption rate is influenced by the molecular size of the micropollutant as well as the granular activated carbon pore size.
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Affiliation(s)
- Laura Piai
- Environmental Technology, Wageningen University & Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands
| | - Jouke E Dykstra
- Environmental Technology, Wageningen University & Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands
| | - Mahesa G Adishakti
- Environmental Technology, Wageningen University & Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands
| | - Marco Blokland
- Wageningen Food Safety Research, Wageningen University & Research, P.O. Box 230, 6708 WB Wageningen, The Netherlands
| | - Alette A M Langenhoff
- Environmental Technology, Wageningen University & Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands.
| | - Albert van der Wal
- Environmental Technology, Wageningen University & Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands; Evides Water Company, P.O. Box 4472, 3006 AL, Rotterdam, The Netherlands
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32
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Telescopic synthesis of cellulose nanofibrils with a stable dispersion of Fe(0) nanoparticles for synergistic removal of 5-fluorouracil. Sci Rep 2019; 9:11703. [PMID: 31406228 PMCID: PMC6691004 DOI: 10.1038/s41598-019-48274-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 08/01/2019] [Indexed: 11/16/2022] Open
Abstract
The recognition of cellulose nanofibrils (CNF) in the past years as a high prospect material has been prominent, but the impractical cellulose extraction method from biomass remained as a technological barrier for industrial practice. In this study, the telescopic approach on the fractionation of lignin and cellulose was performed by organosolv extraction and catalytic oxidation from oil palm empty fruit bunch fibers. The integration of these techniques managed to synthesize CNF in a short time. Aside from the size, the zeta potential of CNF was measured at −41.9 mV, which allow higher stability of the cellulose in water suspension. The stability of CNF facilitated a better dispersion of Fe(0) nanoparticles with the average diameter size of 52.3–73.24 nm through the formulation of CNF/Fe(0). The total uptake capacity of CNF towards 5-fluorouracil was calculated at 0.123 mg/g. While the synergistic reactions of adsorption-oxidation were significantly improved the removal efficacy three to four times greater even at a high concentration of 5-fluorouracil. Alternatively, the sludge generation after the oxidation reaction was completely managed by the encapsulation of Fe(0) nanoparticles in regenerated cellulose.
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33
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Meng P, Fang X, Maimaiti A, Yu G, Deng S. Efficient removal of perfluorinated compounds from water using a regenerable magnetic activated carbon. CHEMOSPHERE 2019; 224:187-194. [PMID: 30825849 DOI: 10.1016/j.chemosphere.2019.02.132] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 02/19/2019] [Accepted: 02/21/2019] [Indexed: 05/08/2023]
Abstract
Adsorption by powder activated carbon (PAC) is recognized as an efficient method for the removal of perfluorinated compounds (PFCs) in water, while the poor separation of spent PAC makes it difficult for further regeneration, increasing the treatment cost significantly. In this study, an ultrafine magnetic activated carbon (MAC) consisting of Fe3O4 and PAC was prepared by ball milling to remove PFCs from water efficiently. Increasing the percentage of Fe3O4 and balling milling time decreased its adsorption capacity for perfluoroctane sulfonate (PFOS), whereas increased the magnetic separation property to some degree. The optimized MAC was prepared with a Fe3O4 to PAC mass ratio of 1:3 after ball milling for 2 h, and the adsorption equilibriums of all the four PFCs on the optimal MAC were reached within less than 2 h, with the adsorption capacities of 1.63, 0.90, 0.33 and 0.21 mmol/g for PFOS, perfluorooctanoic acid (PFOA), perfluorohexane sulfonate (PFHxS) and perfluorobutane sulfonate (PFBS), respectively. Increasing the solution pH hindered the adsorption of PFOS significantly when the pH was less than the zero potential point (around 6) of the MAC, due to the decreased electrostatic attraction. The spent MAC could be easily separated with a magnet and regenerated by a small volume of methanol, and the regenerated MAC could be reused for more than 5 time and remain stable adsorption capacity for PFOS after 3 cycles. This study provides useful insights into the removal of PFCs by separable magnetic PAC in wastewater.
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Affiliation(s)
- Pingping Meng
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Key Laboratory for Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing, 100084, China
| | - Xiaolu Fang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Key Laboratory for Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing, 100084, China
| | - Ayiguli Maimaiti
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Key Laboratory for Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing, 100084, China
| | - Gang Yu
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Key Laboratory for Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing, 100084, China
| | - Shubo Deng
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Key Laboratory for Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing, 100084, China.
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Liu S, Pan G, Yang H, Cai Z, Zhu F, Ouyang G. Determination and elimination of hazardous pollutants by exploitation of a Prussian blue nanoparticles-graphene oxide composite. Anal Chim Acta 2019; 1054:17-25. [DOI: 10.1016/j.aca.2018.12.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 12/05/2018] [Accepted: 12/09/2018] [Indexed: 01/21/2023]
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35
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Fernandes SPS, Romero V, Espiña B, Salonen LM. Tailoring Covalent Organic Frameworks To Capture Water Contaminants. Chemistry 2019; 25:6461-6473. [DOI: 10.1002/chem.201806025] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Indexed: 01/23/2023]
Affiliation(s)
- Soraia P. S. Fernandes
- International Iberian Nanotechnology Laboratory (INL) Av. Mestre José Veiga Braga 4715-330 Portugal
- Department of Chemistry, QOPNAUniversity of Aveiro 3810-193 Aveiro Portugal
| | - Vanesa Romero
- International Iberian Nanotechnology Laboratory (INL) Av. Mestre José Veiga Braga 4715-330 Portugal
- Department of Analytical and Food Chemistry, Faculty of ChemistryUniversity of Vigo As Lagoas-Marcosende 36310 Vigo Spain
| | - Begoña Espiña
- International Iberian Nanotechnology Laboratory (INL) Av. Mestre José Veiga Braga 4715-330 Portugal
| | - Laura M. Salonen
- International Iberian Nanotechnology Laboratory (INL) Av. Mestre José Veiga Braga 4715-330 Portugal
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Yang C, Huang H, Ji T, Zhang K, Yuan L, Zhou C, Tang K, Yi J, Chen X. A cost‐effective crosslinked β‐cyclodextrin polymer for the rapid and efficient removal of micropollutants from wastewater. POLYM INT 2019. [DOI: 10.1002/pi.5771] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- ChangAn Yang
- Department of Chemistry and Chemical EngineeringHunan Institute of Science and Technology Yueyang China
| | - He Huang
- Department of Chemistry and Chemical EngineeringHunan Institute of Science and Technology Yueyang China
| | - Tuo Ji
- Department of Chemistry and Chemical EngineeringHunan Institute of Science and Technology Yueyang China
| | - KeSheng Zhang
- Department of Chemistry and Chemical EngineeringHunan Institute of Science and Technology Yueyang China
| | - LeQun Yuan
- Department of Chemistry and Chemical EngineeringHunan Institute of Science and Technology Yueyang China
| | - CongShan Zhou
- Department of Chemistry and Chemical EngineeringHunan Institute of Science and Technology Yueyang China
| | - KeWen Tang
- Department of Chemistry and Chemical EngineeringHunan Institute of Science and Technology Yueyang China
| | - JianMin Yi
- Department of Chemistry and Chemical EngineeringHunan Institute of Science and Technology Yueyang China
| | - XiaoBo Chen
- Department of ChemistryUniversity of Missouri‐Kansas City Kansas City MO USA
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Zhang B, Ji J, Liu X, Li C, Yuan M, Yu J, Ma Y. Rapid adsorption and enhanced removal of emodin and physcion by nano zirconium carbide. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 647:57-65. [PMID: 30077855 DOI: 10.1016/j.scitotenv.2018.07.422] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 06/29/2018] [Accepted: 07/30/2018] [Indexed: 06/08/2023]
Abstract
In this study, nano zirconium carbide (n-ZrC) was synthesized by preceramic polymers method, and it was used to adsorb emodin and physcion from solutions for the first time. The prepared material was characterized by various technologies. The adsorption experiment was carried out to investigate the emodin and physcion removal performance. The results indicate that the pseudo-second-order kinetic model and the Langmuir model correlated satisfactorily to the experimental data, and the thermodynamic parameters are also calculated. Especially, n-ZrC can remove >95% of emodin or physcion in a minute under the optimal conditions, it is the fastest adsorption rate compared to other commonly used adsorbents (commercial zirconium carbide, activated carbon, C18, PSA, GCB and florisil). The adsorption mechanism was discussed, which suggests that Van der Waals' forces are the primary driving power during the adsorption process. Moreover, n-ZrC is stable at different pH and it can be reused at least fifteen times.
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Affiliation(s)
- Bingjie Zhang
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
| | - Jiawen Ji
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Xue Liu
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
| | - Changsheng Li
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
| | - Meng Yuan
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
| | - Jingyang Yu
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Yongqiang Ma
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
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The Combination of Coagulation and Adsorption for Controlling Ultra-Filtration Membrane Fouling in Water Treatment. WATER 2019. [DOI: 10.3390/w11010090] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Ultra-filtration technology has been increasingly used in drinking water treatment due to improvements in membrane performance and lowering of costs. However, membrane fouling is the main limitation in the application of ultra-filtration technology. In this study, we investigated the impact of four different pre-treatments: Coagulation, adsorption, coagulation followed by adsorption (C-A), and simultaneous coagulation and adsorption (C+A), on membrane fouling and natural organic matter removal efficiency. The results showed that adsorption process required a large amount of adsorbent and formed a dense cake layer on the membrane surface leading to severe membrane fouling. Compared to adsorption alone, the coagulation and C-A processes decreased the transmembrane pressure by 4.9 kPa. It was due to less accumulation of particles on the membrane surface. As for water quality, the C-A ultra-filtration process achieved the highest removal efficiencies of natural organic matter and disinfection by-product precursors. Therefore, the addition of adsorbent after coagulation is a potentially important approach for alleviating ultra-filtration membrane fouling and enhancing treatment performance.
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Wu J, Xu F, Li S, Ma P, Zhang X, Liu Q, Fu R, Wu D. Porous Polymers as Multifunctional Material Platforms toward Task-Specific Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1802922. [PMID: 30345562 DOI: 10.1002/adma.201802922] [Citation(s) in RCA: 189] [Impact Index Per Article: 37.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/15/2018] [Indexed: 05/08/2023]
Abstract
Exploring advanced porous materials is of critical importance in the development of science and technology. Porous polymers, being famous for their all-organic components, tailored pore structures, and adjustable chemical components, have attracted an increasing level of research interest in a large number of applications, including gas adsorption/storage, separation, catalysis, environmental remediation, energy, optoelectronics, and health. Recent years have witnessed tremendous research breakthroughs in these fields thanks to the unique pore structures and versatile skeletons of porous polymers. Here, recent milestones in the diverse applications of porous polymers are presented, with an emphasis on the structural requirements or parameters that dominate their properties and functionalities. The Review covers the following applications: i) gas adsorption, ii) water treatment, iii) separation, iv) heterogeneous catalysis, v) electrochemical energy storage, vi) precursors for porous carbons, and vii) other applications (e.g., intelligent temperature control textiles, sensing, proton conduction, biomedicine, optoelectronics, and actuators). The key requirements for each application are discussed and an in-depth understanding of the structure-property relationships of these advanced materials is provided. Finally, a perspective on the future research directions and challenges in this field is presented for further studies.
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Affiliation(s)
- Jinlun Wu
- Materials Science Institute, PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Fei Xu
- State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU), Xi'an, 710072, P. R. China
| | - Shimei Li
- Materials Science Institute, PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Pengwei Ma
- Materials Science Institute, PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Xingcai Zhang
- Materials Science Institute, PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Qianhui Liu
- State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU), Xi'an, 710072, P. R. China
| | - Ruowen Fu
- Materials Science Institute, PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Dingcai Wu
- Materials Science Institute, PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
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Ayoub H, Roques-Carmes T, Potier O, Koubaissy B, Pontvianne S, Lenouvel A, Guignard C, Mousset E, Poirot H, Toufaily J, Hamieh T. Iron-impregnated zeolite catalyst for efficient removal of micropollutants at very low concentration from Meurthe river. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:34950-34967. [PMID: 29327191 DOI: 10.1007/s11356-018-1214-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 01/02/2018] [Indexed: 06/07/2023]
Abstract
In this paper, for the first time, faujasite Y zeolite impregnated with iron (III) was employed as a catalyst to remove a real cocktail of micropollutants inside real water samples from the Meurthe river by the means of the heterogeneous photo-Fenton process. The catalyst was prepared by the wet impregnation method using iron (III) nitrate nonahydrate as iron precursor. First, an optimization of the process parameters was conducted using phenol as model macro-pollutant. The hydrogen peroxide concentration, the light wavelength (UV and visible) and intensity, the iron loading immobilized, as well as the pH of the solution were investigated. Complete photo-Fenton degradation of the contaminant was achieved using faujasite containing 20 wt.% of iron, under UV light, and in the presence of 0.007 mol/L of H2O2 at pH 5.5. In a second step, the optimized process was used with real water samples from the Meurthe river. Twenty-one micropollutants (endocrine disruptors, pharmaceuticals, personal care products, and perfluorinated compounds) including 17 pharmaceutical compounds were specifically targeted, detected, and quantified. All the initial concentrations remained in the range of nanogram per liter (0.8-88 ng/L). The majority of the micropollutants had a large affinity for the surface of the iron-impregnated faujasite. Our results emphasized the very good efficiency of the photo-Fenton process with a cocktail of a minimum of 21 micropollutants. Except for sulfamethoxazole and PFOA, the concentrations of all the other microcontaminants (bisphenol A, carbamazepine, carbamazepine-10,11-epoxide, clarithromycin, diclofenac, estrone, ibuprofen, ketoprofen, lidocaine, naproxen, PFOS, triclosan, etc.) became lower than the limit of quantification of the LC-MS/MS after 30 min or 6 h of photo-Fenton treatment depending on their initial concentrations. The photo-Fenton degradation of PFOA can be neglected. The photo-Fenton degradation of sulfamethoxazole obeys first-order kinetics in the presence of the cocktail of the other micropollutants.
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Affiliation(s)
- Hawraa Ayoub
- Laboratoire Réactions et Génie des Procédés (LRGP), UMR CNRS 7274, Université de Lorraine, 1 rue Grandville, 54001, Nancy, France
- Laboratory of Materials, Catalysis, Environment and Analytical Methods, Faculty of Sciences I, Lebanese University, Campus Rafic Hariri, Beirut, Lebanon
| | - Thibault Roques-Carmes
- Laboratoire Réactions et Génie des Procédés (LRGP), UMR CNRS 7274, Université de Lorraine, 1 rue Grandville, 54001, Nancy, France.
| | - Olivier Potier
- Laboratoire Réactions et Génie des Procédés (LRGP), UMR CNRS 7274, Université de Lorraine, 1 rue Grandville, 54001, Nancy, France
| | - Bachar Koubaissy
- Laboratory of Materials, Catalysis, Environment and Analytical Methods, Faculty of Sciences I, Lebanese University, Campus Rafic Hariri, Beirut, Lebanon
| | - Steve Pontvianne
- Laboratoire Réactions et Génie des Procédés (LRGP), UMR CNRS 7274, Université de Lorraine, 1 rue Grandville, 54001, Nancy, France
| | - Audrey Lenouvel
- Luxembourg Institute of Science and Technology (LIST), 41 rue du Brill, 4422, Belvaux, Luxembourg
| | - Cédric Guignard
- Luxembourg Institute of Science and Technology (LIST), 41 rue du Brill, 4422, Belvaux, Luxembourg
| | - Emmanuel Mousset
- Laboratoire Réactions et Génie des Procédés (LRGP), UMR CNRS 7274, Université de Lorraine, 1 rue Grandville, 54001, Nancy, France
| | - Hélène Poirot
- Laboratoire Réactions et Génie des Procédés (LRGP), UMR CNRS 7274, Université de Lorraine, 1 rue Grandville, 54001, Nancy, France
| | - Joumana Toufaily
- Laboratory of Materials, Catalysis, Environment and Analytical Methods, Faculty of Sciences I, Lebanese University, Campus Rafic Hariri, Beirut, Lebanon
| | - Tayssir Hamieh
- Laboratory of Materials, Catalysis, Environment and Analytical Methods, Faculty of Sciences I, Lebanese University, Campus Rafic Hariri, Beirut, Lebanon
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Zhang SY, Jensen S, Tan K, Wojtas L, Roveto M, Cure J, Thonhauser T, Chabal YJ, Zaworotko MJ. Modulation of Water Vapor Sorption by a Fourth-Generation Metal–Organic Material with a Rigid Framework and Self-Switching Pores. J Am Chem Soc 2018; 140:12545-12552. [DOI: 10.1021/jacs.8b07290] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shi-Yuan Zhang
- Department of Chemical Science, Bernal Institute, University of Limerick, Limerick, V94 T9PX, Republic of Ireland
| | - Stephanie Jensen
- Department of Physics and Center for Functional Materials, Wake Forest University, Winston-Salem, North Carolina 27109, United States
| | - Kui Tan
- Department of Materials Science and Engineering, University of Texas at Dallas, Richardson, Texas 75080, United States
| | - Lukasz Wojtas
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Matthew Roveto
- Department of Physics and Center for Functional Materials, Wake Forest University, Winston-Salem, North Carolina 27109, United States
| | - Jeremy Cure
- Department of Materials Science and Engineering, University of Texas at Dallas, Richardson, Texas 75080, United States
| | - Timo Thonhauser
- Department of Physics and Center for Functional Materials, Wake Forest University, Winston-Salem, North Carolina 27109, United States
| | - Yves J. Chabal
- Department of Materials Science and Engineering, University of Texas at Dallas, Richardson, Texas 75080, United States
| | - Michael J. Zaworotko
- Department of Chemical Science, Bernal Institute, University of Limerick, Limerick, V94 T9PX, Republic of Ireland
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Coimbra RN, Escapa C, Otero M. Adsorption Separation of Analgesic Pharmaceuticals from Ultrapure and Waste Water: Batch Studies Using a Polymeric Resin and an Activated Carbon. Polymers (Basel) 2018; 10:E958. [PMID: 30960883 PMCID: PMC6403863 DOI: 10.3390/polym10090958] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 08/23/2018] [Accepted: 08/27/2018] [Indexed: 11/16/2022] Open
Abstract
The performance of a polymeric resin (Sepabeads SP207, from Resindion, Binasco, Italy) was compared with that of an activated carbon (GPP20, from Chemviron Carbon, Feluy, Belgium) in the adsorption of acetaminophen and ibuprofen from either ultrapure or waste water. Kinetic and equilibrium adsorption experiments were carried out under batch operation conditions, and fittings of the obtained results to different models were determined. The kinetic experimental results fitted the pseudo-first and -second order equations, and the corresponding kinetic rates evidenced that the pharmaceuticals adsorption was faster onto GPP20 than onto Sepabeads SP207, but was mostly unaffected by the aqueous matrix. The equilibrium results fitted the Langmuir-Freundlich isotherm model. The corresponding maximum adsorption capacity (Qm, mg-1) was larger onto GPP20 (202 mg g-1 ≤ Qm ≤ 273 mg g-1) than onto the polymeric resin (7 mg g-1 ≤ Qm ≤ 18 mg g-1). With respect to the parameter KLF (mg g-1 (mg L-1)-1/n), which points to the adsorbent-adsorbate affinity, greater values were determined for the pharmaceuticals adsorption onto GPP20 than onto Sepabeads SP207. For both adsorbents and pharmaceuticals, neither Qm or KLF were affected by the aqueous matrix.
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Affiliation(s)
- Ricardo N Coimbra
- Department of Applied Chemistry and Physics, Institute of Environment, Natural Resources and Biodiversity (IMARENABIO), Universidad de León, 24001 León, Spain.
| | - Carla Escapa
- Department of Applied Chemistry and Physics, Institute of Environment, Natural Resources and Biodiversity (IMARENABIO), Universidad de León, 24001 León, Spain.
| | - Marta Otero
- Centre for Environmental and Marine Studies (CESAM), Department of Environment and Planning, University of Aveiro, 3800 Aveiro, Portugal.
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43
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Dittmar S, Zietzschmann F, Mai M, Worch E, Jekel M, Ruhl AS. Simulating Effluent Organic Matter Competition in Micropollutant Adsorption onto Activated Carbon Using a Surrogate Competitor. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:7859-7866. [PMID: 29890066 DOI: 10.1021/acs.est.8b01503] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Adsorption onto activated carbon is a promising option for removing organic micropollutants (OMPs) from wastewater treatment plant (WWTP) effluents. The heterogeneity of activated carbons and adsorption competition between OMPs and adsorbable compounds of the effluent organic matter (EfOM) complicate the prediction of OMP removals. Thus, reliable and simple test systems are desirable. For this study, batch experiments with powdered activated carbon (PAC) were carried out to examine methyl orange (MO) as a selected surrogate competitor to simulate EfOM adsorption competition. MO solutions were spiked with carbamazepine (CBZ) as an indicator substance for well-adsorbing OMPs. On the basis of CBZ adsorption isotherms in WWTP effluents, MO concentrations for batch test solutions with identical adsorption competition toward CBZ were calculated. The calculations were performed according to an empirical model of CBZ adsorption in the presence of MO, since predictions employing the ideal adsorbed solution theory (IAST) proved to be inaccurate. Comparative batch tests with five different PACs were conducted with WWTP effluent and respective MO batch test solutions. Except for one PAC, the achieved CBZ removals were very similar in WWTP effluent and the test solution. Additionally, a universal correlation between MO and CBZ removals was found for four PACs.
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Affiliation(s)
- Stefan Dittmar
- Technische Universität Berlin , Chair of Water Quality Control , Sekr. KF4, Straße des 17. Juni 135 , 10623 Berlin , Germany
| | - Frederik Zietzschmann
- Technische Universität Berlin , Chair of Water Quality Control , Sekr. KF4, Straße des 17. Juni 135 , 10623 Berlin , Germany
| | - Maike Mai
- Technische Universität Berlin , Chair of Soil Science , Sekr. BH 10-1, Straße des 17. Juni 135 , 10623 Berlin , Germany
| | - Eckhard Worch
- Technische Universität Dresden, Institute of Water Chemistry , 01062 Dresden , Germany
| | - Martin Jekel
- Technische Universität Berlin , Chair of Water Quality Control , Sekr. KF4, Straße des 17. Juni 135 , 10623 Berlin , Germany
| | - Aki S Ruhl
- Technische Universität Berlin , Chair of Water Quality Control , Sekr. KF4, Straße des 17. Juni 135 , 10623 Berlin , Germany
- German Environment Agency (UBA) , Section II 3.1, Schichauweg 58 , 12307 Berlin , Germany
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44
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Xie S, Wu S, Bao S, Wang Y, Zheng Y, Deng D, Huang L, Zhang L, Lee M, Huang Z. Intelligent Mesoporous Materials for Selective Adsorption and Mechanical Release of Organic Pollutants from Water. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1800683. [PMID: 29782684 DOI: 10.1002/adma.201800683] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/19/2018] [Indexed: 05/23/2023]
Abstract
Despite recent advances in the porous materials for efficient removal of dissolved organic pollutants from water, the regeneration of porous characteristics for reuse with preventing secondary contamination remains a challenge. Here, novel supramolecular absorbents with hydrophobic pore are prepared by the self-assembly of propeller-shaped aromatic amphiphiles. The assembly of folded propeller provides a mesoporous environment within aromatic segments, which is suitable for the removal of organic pollutants from waste water. The removal efficiency is found to be 92% and 90% for ethinyl oestradiol (Eo) and bisphenol A (BPA). Notably, the folded architecture of propeller is observed to be flattened by the salt addition, which results in the strong π-π interaction driving the porous materials closed and forms solid fibers. It is found that most of the removed pollutants are spontaneously released by the dynamic porous assembly, and subsequent dialysis triggers the porous materials to be recovered.
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Affiliation(s)
- Siying Xie
- PCFM and GD HPPC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Shanshan Wu
- PCFM and GD HPPC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Sihan Bao
- PCFM and GD HPPC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Yanqiu Wang
- State Key Laboratory for Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Yongtai Zheng
- PCFM and GD HPPC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Danfeng Deng
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150000, P. R. China
| | - Liping Huang
- PCFM and GD HPPC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Lingling Zhang
- PCFM and GD HPPC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Myongsoo Lee
- State Key Laboratory for Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Zhegang Huang
- PCFM and GD HPPC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
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45
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Macedo E, Santos MSF, Maldonado-Hódar FJ, Alves A, Madeira LM. Insights on Carbonaceous Materials Tailoring for Effective Removal of the Anticancer Drug 5-Fluorouracil from Contaminated Waters. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.7b05145] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Eduardo Macedo
- LEPABE—Laboratory for Process, Environmental, Biotechnology and Energy Engineering, Faculty of Engineering, University of Porto, R. Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
| | - Mónica S. F. Santos
- LEPABE—Laboratory for Process, Environmental, Biotechnology and Energy Engineering, Faculty of Engineering, University of Porto, R. Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
| | - F. J. Maldonado-Hódar
- Department of Inorganic Chemistry, Faculty of Sciences, University of Granada, 18071, Granada, Spain
| | - Arminda Alves
- LEPABE—Laboratory for Process, Environmental, Biotechnology and Energy Engineering, Faculty of Engineering, University of Porto, R. Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
| | - Luis M. Madeira
- LEPABE—Laboratory for Process, Environmental, Biotechnology and Energy Engineering, Faculty of Engineering, University of Porto, R. Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
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46
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Shetty D, Jahovic I, Raya J, Asfari Z, Olsen JC, Trabolsi A. Porous Polycalix[4]arenes for Fast and Efficient Removal of Organic Micropollutants from Water. ACS APPLIED MATERIALS & INTERFACES 2018; 10:2976-2981. [PMID: 29308872 DOI: 10.1021/acsami.7b16546] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Organic micropollutants are hazards to the environment and human health. Conventional technologies are often inefficient at removing them from wastewater. For example, commercial activated carbon (AC) exhibits slow uptake rates, limited capacities, and is costly to regenerate. Here, we report the utility of porous calix[4]arene-based materials, CalPn (n = 2-4), for water purification. Calixarenes are a common motif in supramolecular chemistry but have rarely been incorporated into extended, porous networks such as organic polymers. CalPn exhibit pollutant uptake rates (kobs) and adsorption capacities (qmax) that are among the highest reported. For example, the kobs of CalP4 for bisphenol A (BPA) is 2.12 mg/g·min, which is significantly higher (16 to 240 times) than kobs for ACs and 1.4 times higher than that of the most efficient material previously reported; the qmax of CalP4 for BPA is 403 mg/g. The CalPn polymers can be regenerated several times, with performance levels left undiminished, by a simple wash procedure that is less energy intensive than that required for ACs. These findings demonstrate the potential of calixarene-based materials for organic micropollutant removal.
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Affiliation(s)
- Dinesh Shetty
- New York University Abu Dhabi (NYUAD) , Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Ilma Jahovic
- New York University Abu Dhabi (NYUAD) , Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Jesus Raya
- CNRS/Université de Strasbourg , 1 rue Blaise Pascal, Strasbourg, France 67000
| | - Zouhair Asfari
- Laboratoire de Chimie Analytique et Sciences Séparatives, Institut Pluridisciplinaire Hubert Curien , 67087 Strasbourg CEDEX, France
| | - John-Carl Olsen
- Department of Chemistry, University of Rochester , RC Box 270216, Rochester, New York 14607-0216, United States
| | - Ali Trabolsi
- New York University Abu Dhabi (NYUAD) , Saadiyat Island, Abu Dhabi, United Arab Emirates
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47
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Kah M, Sigmund G, Xiao F, Hofmann T. Sorption of ionizable and ionic organic compounds to biochar, activated carbon and other carbonaceous materials. WATER RESEARCH 2017; 124:673-692. [PMID: 28825985 DOI: 10.1016/j.watres.2017.07.070] [Citation(s) in RCA: 200] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 07/27/2017] [Accepted: 07/28/2017] [Indexed: 05/12/2023]
Abstract
The sorption of ionic and ionizable organic compounds (IOCs) (e.g., pharmaceuticals and pesticides) on carbonaceous materials plays an important role in governing the fate, transport and bioavailability of IOCs. The paradigms previously established for the sorption of neutral organic compounds do not always apply to IOCs and the importance of accounting for the particular sorption behavior of IOCs is being increasingly recognized. This review presents the current state of knowledge and summarizes the recent advances on the sorption of IOCs to carbonaceous sorbents. A broad range of sorbents were considered to evaluate the possibility to read across between fields of research that are often considered in isolation (e.g., carbon nanotubes, graphene, biochar, and activated carbon). Mechanisms relevant to IOCs sorption on carbonaceous sorbents are discussed and critically evaluated, with special attention being given to emerging sorption mechanisms including low-barrier, charge-assisted hydrogen bonds and cation-π assisted π-π interactions. The key role played by some environmental factors is also discussed, with a particular focus on pH and ionic strength. Overall the review reveals significant advances in our understanding of the interactions between IOCs and carbonaceous sorbents. In addition, knowledge gaps are identified and priorities for future research are suggested.
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Affiliation(s)
- Melanie Kah
- University of Vienna, Department of Environmental Geosciences and Environmental Science Research Network, Althanstrasse 14 UZA II, 1090, Vienna, Austria.
| | - Gabriel Sigmund
- University of Vienna, Department of Environmental Geosciences and Environmental Science Research Network, Althanstrasse 14 UZA II, 1090, Vienna, Austria
| | - Feng Xiao
- Department of Civil Engineering, University of North Dakota, Grand Forks, ND, 58202, United States
| | - Thilo Hofmann
- University of Vienna, Department of Environmental Geosciences and Environmental Science Research Network, Althanstrasse 14 UZA II, 1090, Vienna, Austria.
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Yang S, Lin S, Fan J, Wang Y, Liu C, Yan X. Rapid, Complete Removal of Organic Pollutants from Water by a SnS2
-Modified Porous β-Cyclodextrin-Containing Polymer. Chempluschem 2017; 82:1218-1223. [DOI: 10.1002/cplu.201700323] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 08/24/2017] [Indexed: 01/01/2023]
Affiliation(s)
- Shun Yang
- School of Chemistry and Materials Science; Jiangsu Normal University; Xuzhou 221116 P. R. China
| | - Shiting Lin
- School of Chemistry and Materials Science; Jiangsu Normal University; Xuzhou 221116 P. R. China
| | - Jie Fan
- School of Chemistry and Materials Science; Jiangsu Normal University; Xuzhou 221116 P. R. China
| | - Yaru Wang
- School of Chemistry and Materials Science; Jiangsu Normal University; Xuzhou 221116 P. R. China
| | - Chang Liu
- School of Chemistry and Materials Science; Jiangsu Normal University; Xuzhou 221116 P. R. China
| | - Xiao Yan
- School of Chemistry and Materials Science; Jiangsu Normal University; Xuzhou 221116 P. R. China
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Ling Y, Klemes MJ, Xiao L, Alsbaiee A, Dichtel WR, Helbling DE. Benchmarking Micropollutant Removal by Activated Carbon and Porous β-Cyclodextrin Polymers under Environmentally Relevant Scenarios. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:7590-7598. [PMID: 28556664 DOI: 10.1021/acs.est.7b00906] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The cost-effective and energy-efficient removal of organic micropollutants (MPs) from water and wastewater is challenging. The objective of this research was to evaluate the performance of porous β-cyclodextrin polymers (P-CDP) as adsorbents of MPs in aquatic matrixes. Adsorption kinetics and MP removal were measured in batch and flow-through experiments for a mixture of 83 MPs at environmentally relevant concentrations (1 μg L-1) and across gradients of pH, ionic strength, and natural organic matter (NOM) concentrations. Performance was benchmarked against a coconut-shell activated carbon (CCAC). Data reveal pseudo-second-order rate constants for most MPs ranging between 1.5 and 40 g mg-1 min-1 for CCAC and 30 and 40000 g mg-1 min-1 for P-CDP. The extent of MP removal demonstrates slower but more uniform uptake on CCAC and faster but more selective uptake on P-CDP. Increasing ionic strength and the presence of NOM had a negative effect on the adsorption of MPs to CCAC but had almost no effect on adsorption of MPs to P-CDP. P-CDP performed particularly well for positively charged MPs and neutral or negatively charged MPs with McGowan volumes greater than 1.7 (cm3 mol-1)/100. These data highlight advantages of P-CDP adsorbents relevant to MP removal during water and wastewater treatment.
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Affiliation(s)
| | - Max J Klemes
- Department of Chemistry, Northwestern University , Evanston, Illinois 60208, United States
| | - Leilei Xiao
- Department of Chemistry, Northwestern University , Evanston, Illinois 60208, United States
| | | | - William R Dichtel
- Department of Chemistry, Northwestern University , Evanston, Illinois 60208, United States
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50
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