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Salehi S, Boddohi S, Adel Ghiass M, Behmanesh M. Microfluidic preparation and optimization of (Kollicoat ® IR-b-PCL) polymersome for co-delivery of Nisin-Curcumin in breast cancer application. Int J Pharm 2024; 660:124371. [PMID: 38908809 DOI: 10.1016/j.ijpharm.2024.124371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 06/19/2024] [Accepted: 06/19/2024] [Indexed: 06/24/2024]
Abstract
This work aimed to develop amphiphilic nanocarriers such as polymersome based diblock copolymer of Kollicoat ® IR -block-poly(ε-caprolactone) (Kollicoat ® IR-b-PCL) for potential co-delivery of Nisin (Ni) and Curcumin (CUR) for treatment of breast cancer. To generate multi-layered nanocarriers of uniform size and morphology, microfluidics was used as a new technology. In order to characterise and optimize polymersome, design of experiments (Design-Expert) software with three levels full factorial design (3-FFD) method was used. Finally, the optimized polymersome was produced with a spherical morphology, small particle size (dH < 200 nm), uniform size distribution (PDI < 0.2), and high drug loading efficiency (Ni 78 % and CUR 93 %). Furthermore, the maximum release of Ni and CUR was found to be roughly 60 % and 80 % in PBS, respectively. Cytotoxicity assays showed a slight cytotoxicity of Ni and CUR -loaded polymersome (N- Ni /CUR) towards normal cells while demonstrating inhibitory activity against cancer cells compared to the free drugs. Also, the apoptosis assays and cellular uptake confirmed the obtained results from cytotoxic analysis. In general, this study demonstrated a microfluidic approach for preparation and optimization of polymersome for co-delivery of two drugs into cancer cells.
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Affiliation(s)
- Sahar Salehi
- Department of Biomedical Engineering, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
| | - Soheil Boddohi
- Department of Biomedical Engineering, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran.
| | - Mohammad Adel Ghiass
- Tissue Engineering Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Mehrdad Behmanesh
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
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2
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Kim H, Park C, Choi N, Cho K. Congo red dye degradation using Fe-containing mineral as a reactive material derived from waste foundry dust. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:28443-28453. [PMID: 38546920 PMCID: PMC11058770 DOI: 10.1007/s11356-024-33064-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 03/20/2024] [Indexed: 04/30/2024]
Abstract
This study investigated the applicability of industrial waste. The high affinity of Fe-based products is widely used for industrial effluents because of their capability to oxidize contaminants. Waste foundry dust (WFD) is an Fe oxide that has been investigated as a potential reactive material that causes the generation of reactive oxidants. We aimed to investigate the physicochemical properties of WFD and the feasibility in the Fenton oxidation process. The WFD was used as a catalyst for removing Congo red (CR), to evaluate the generation of •OH and dissolution of Fe during the oxidation process. The linkage of •OH generation by WFD with eluted Fe(II) through the Fe dissolution was found. The Fenton oxidation reaction, CR degradation was affected by H2O2 concentration, initial pH, WFD dosage, initial CR concentration, and coexisting anions. The CR degradation efficiency increased with an increase in H2O2 concentration and WFD dosage. In addition, chloride and sulfate in solution promoted CR degradation, whereas carbonate had a negative effect on the Fenton oxidation process. The elution of Fe promotes CR degradation, over three reuse cycles, the degradation performance of the CR decreased from 100 to 81.1%. For the Fenton oxidation process, •OH generation is linked to Fe redox cycling, the surface passivation and Fe complexes interrupted the release of reactive oxidants, which resulted in the degradation of the CR decreased. This study proposed that WFD can serve as catalysts for the removal of CR.
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Affiliation(s)
- Hyunsoo Kim
- Department of Energy and Resource Engineering, Chosun University, Gwang-Ju, 61452, Korea
| | - Chulhyun Park
- Department of Energy and Resource Engineering, Chosun University, Gwang-Ju, 61452, Korea
| | - Nagchoul Choi
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea
| | - Kanghee Cho
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea.
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3
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Dhakshinamoorthy A, Li Z, Yang S, Garcia H. Metal-organic framework heterojunctions for photocatalysis. Chem Soc Rev 2024; 53:3002-3035. [PMID: 38353930 DOI: 10.1039/d3cs00205e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Heterojunctions combining two photocatalysts of staggered conduction and valence band energy levels can increase the photocatalytic efficiency compared to their individual components. This activity enhancement is due to the minimization of undesirable charge recombination by the occurrence of carrier migration through the heterojunction interface with separated electrons and holes on the reducing and oxidizing junction component, respectively. Metal-organic frameworks (MOFs) are currently among the most researched photocatalysts due to their tunable light absorption, facile charge separation, large surface area and porosity. The present review summarizes the current state-of-the-art in MOF-based heterojunctions, providing critical comments on the construction of these heterostructures. Besides including examples showing the better performance of MOF heterojunctions for three important photocatalytic processes, such as hydrogen evolution reaction, CO2 photoreduction and dye decolorization, the focus of this review is on describing synthetic procedures to form heterojunctions with MOFs and on discussing the experimental techniques that provide evidence for the operation of charge migration between the MOF and the other component. Special attention has been paid to the design of rational MOF heterojunctions with small particle size and controlled morphology for an appropriate interfacial contact. The final section summarizes the achievements of the field and provides our views on future developments.
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Affiliation(s)
- Amarajothi Dhakshinamoorthy
- Departamento de Química, Universitat Politècnica de València, Camino de Vera s/n, Valencia 46022, Spain.
- School of Chemistry, Madurai Kamaraj University, Madurai 625 021, Tamil Nadu, India
| | - Zhaohui Li
- Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. China
| | - Sihai Yang
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking University, Beijing 100871, China
- Department of Chemistry, University of Manchester, Manchester, M13 9PL, UK
| | - Hermenegildo Garcia
- Departamento de Química/Instituto Universitario de Tecnología Química (CSIC-UPV), Universitat Politècnica de València, Avda. de los Naranjos s/n, 46022 Valencia, Spain.
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4
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Gadore V, Singh AK, Mishra SR, Ahmaruzzaman M. RSM approach for process optimization of the photodegradation of congo red by a novel NiCo 2S 4/chitosan photocatalyst. Sci Rep 2024; 14:1118. [PMID: 38212420 PMCID: PMC10784554 DOI: 10.1038/s41598-024-51618-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/08/2024] [Indexed: 01/13/2024] Open
Abstract
The current study reported a facile co-precipitation technique for synthesizing novel NiCo2S4/chitosan nanocomposite. The photocatalytic activity of the prepared nanocomposite was evaluated using congo red (CR) dye as a target pollutant. The central composite design was employed to examine the impact of different reaction conditions on CR dye degradation. This study selected the pH, photocatalyst loading, initial CR concentration and reaction time as reaction parameters, while the degradation efficiency (%) was selected as the response. A desirability factor of 1 suggested the adequacy of the model. Maximum degradation of 93.46% of 35 ppm dye solution was observed after 60 min of visible light irradiation. The response to surface methodology (RSM) is a helpful technique to predict the optimum reaction conditions of the photodegradation of CR dye. Moreover, NiCo2S4/Ch displayed high recyclability and reusability up to four consecutive cycles. The present study suggests that the prepared NiCo2S4/chitosan nanocomposite could prove to be a viable photocatalyst for the treatment of dye-contaminated wastewater.
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Affiliation(s)
- Vishal Gadore
- Department of Chemistry, National Institute of Technology Silchar, Silchar, Assam, 788010, India
| | - Ashish Kumar Singh
- Department of Chemistry, National Institute of Technology Silchar, Silchar, Assam, 788010, India
| | - Soumya Ranjan Mishra
- Department of Chemistry, National Institute of Technology Silchar, Silchar, Assam, 788010, India
| | - Md Ahmaruzzaman
- Department of Chemistry, National Institute of Technology Silchar, Silchar, Assam, 788010, India.
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5
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Manzoor S, Aziz K, Raza H, Manzoor S, Khan MI, Naz A, Shanableh A, A M Salih A, Elboughdiri N. Tailoring Vanadium-Based Magnetic Catalyst by In Situ Encapsulation of Tungsten Disulfide and Applications in Abatement of Multiple Pollutants. ACS OMEGA 2023; 8:48966-48974. [PMID: 38162758 PMCID: PMC10753748 DOI: 10.1021/acsomega.3c06580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 11/22/2023] [Accepted: 11/23/2023] [Indexed: 01/03/2024]
Abstract
A magnetic nanocomposite of tungsten and vanadium was employed as a catalyst for the mitigation of water contaminants, including a carcinogenic dye (Congo red, CR), a widely used pesticide (glyphosate), and the bacterial strain Escherichia coli. Additionally, it was subjected to several characterization techniques. X-ray diffraction spectroscopy examination validated the synthesized nanoparticles' crystalline nature, and scanning electron microscopy and energy-dispersive X-ray analysis were employed to examine the morphology and elemental composition of the catalyst. The use of thermogravimetric analysis enabled the elaboration of the thermal behavior of tungsten sulfide-vanadium decorated with Fe2O3 nanoparticles. The experiments were conducted under visible light conditions. The highest levels of photodegradation of 96.24 ± 2.5% for CR and 98 ± 1.8% for glyphosate were observed following a 180 min exposure to visible light at pH values of 6 and 8, respectively. The quantum yields for CR and Gly were calculated to be 9.2 × 10-3 and 4.9 × 10-4 molecules photon-1, respectively. The findings from the scavenger analysis suggest the involvement of hydroxyl radicals in the degradation mechanism. The study evaluated the inhibition of E. coli growth when exposed to a concentration of 0.1 g/10 mL of the photocatalyst, utilizing a 1 mL sample of the bacterial strain. The successful elimination of CR and glyphosate from water-based solutions, along with the subsequent antibacterial experiments, has substantiated the efficacy of the photocatalyst in the field of environmental remediation.
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Affiliation(s)
- Suryyia Manzoor
- Institute
of Chemical Sciences, Bahauddin Zakariya
University, Multan 60000, Pakistan
| | - Khalid Aziz
- Institute
of Chemical Sciences, Bahauddin Zakariya
University, Multan 60000, Pakistan
| | - Hina Raza
- Faculty
of Pharmacy, Bahauddin Zakariya Unviersity, Multan 60000, Pakistan
| | - Shamaila Manzoor
- Department
of Experimental Physics, Faculty of Mathematics, Physics and Informatics, Comenius University, Mlynská dolina, Bratislava 842 48, Slovakia
| | - Muhammad Imran Khan
- Research
Institute of Sciences and Engineering (RISE), University of Sharjah, Sharjah 27272, United Arab
Emirates
| | - Asma Naz
- Institute
of Chemical Sciences, Bahauddin Zakariya
University, Multan 60000, Pakistan
| | - Abdallah Shanableh
- Research
Institute of Sciences and Engineering (RISE), University of Sharjah, Sharjah 27272, United Arab
Emirates
| | - Alsamani A M Salih
- Chemical
Engineering Department, College of Engineering, University of Ha’il, P.O. Box
2440, Ha’il 81441, Saudi Arabia
- Department
of Chemical Engineering, Faculty of Engineering, Al Neelain University, Khartoum 12702, Sudan
| | - Noureddine Elboughdiri
- Chemical
Engineering Department, College of Engineering, University of Ha’il, P.O. Box
2440, Ha’il 81441, Saudi Arabia
- Chemical
Engineering Process Department, National School of Engineers Gabes, University of Gabes, Gabes 6029, Tunisia
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Naseri T, Beiki V, Mousavi SM, Farnaud S. A comprehensive review of bioleaching optimization by statistical approaches: recycling mechanisms, factors affecting, challenges, and sustainability. RSC Adv 2023; 13:23570-23589. [PMID: 37555097 PMCID: PMC10404936 DOI: 10.1039/d3ra03498d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 07/27/2023] [Indexed: 08/10/2023] Open
Abstract
A serious environmental problem is associated with the accumulation of solid waste on the Earth. Researchers are encouraged to find an efficient and sustainable method to recover highly profitable heavy metals and precious and base metals. Bioleaching is a green method of recovering valuable metals from solid waste. Optimizing the variables and conditions of the bioleaching process is crucial to achieving maximum metal recovery most cost-effectively. The conventional optimization method (one factor at a time) is well-studied. However, it has some drawbacks, such as the necessity of more experiments, the need to spend more time, and the inability to illuminate the synergistic effect of the variables. Optimization studies are increasingly utilizing response surface methodology (RSM) because it provides details about the interaction effects of variables with fewer experiments. This review discusses the application of RSM for bioleaching experiments from other solid wastes. It discusses the Central Composite and Box-Behnken designs as the most commonly used designs for optimizing bioleaching methods. The most influential factors for increasing the heavy metal recovery rate in applying RSM using the bioleaching process are recognized, and some suggestions are made for future research.
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Affiliation(s)
- Tannaz Naseri
- Biotechnology Group, Chemical Engineering Department, Tarbiat Modares University Tehran Iran +98-21-82884931 +98-21-82884917
| | - Vahid Beiki
- Biotechnology Group, Chemical Engineering Department, Tarbiat Modares University Tehran Iran +98-21-82884931 +98-21-82884917
| | - Seyyed Mohammad Mousavi
- Biotechnology Group, Chemical Engineering Department, Tarbiat Modares University Tehran Iran +98-21-82884931 +98-21-82884917
- Modares Environmental Research Institute, Tarbiat Modares University Tehran Iran
| | - Sebastien Farnaud
- CSELS, Faculty of Health & Life Sciences, Coventry University Coventry UK
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Ai X, Yan S, Lin C, Lu K, Chen Y, Ma L. Facile Fabrication of Highly Active CeO 2@ZnO Nanoheterojunction Photocatalysts. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1371. [PMID: 37110956 PMCID: PMC10143434 DOI: 10.3390/nano13081371] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 04/07/2023] [Accepted: 04/13/2023] [Indexed: 06/19/2023]
Abstract
Photocatalyst performance is often limited by the poor separation and rapid recombination of photoinduced charge carriers. A nanoheterojunction structure can facilitate the separation of charge carrier, increase their lifetime, and induce photocatalytic activity. In this study, CeO2@ZnO nanocomposites were produced by pyrolyzing Ce@Zn metal-organic frameworks prepared from cerium and zinc nitrate precursors. The effects of the Zn:Ce ratio on the microstructure, morphology, and optical properties of the nanocomposites were studied. In addition, the photocatalytic activity of the nanocomposites under light irradiation was assessed using rhodamine B as a model pollutant, and a mechanism for photodegradation was proposed. With the increase in the Zn:Ce ratio, the particle size decreased, and surface area increased. Furthermore, transmission electron microscopy and X-ray photoelectron spectroscopy analyses revealed the formation of a heterojunction interface, which enhanced photocarrier separation. The prepared photocatalysts show a higher photocatalytic activity than CeO2@ZnO nanocomposites previously reported in the literature. The proposed synthetic method is simple and may produce highly active photocatalysts for environmental remediation.
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Affiliation(s)
- Xiaoqian Ai
- School of Physics and Information Engineering, Jiangsu Province Engineering Research Center of Basic Education Big Data Application, Jiangsu Second Normal University, Nanjing 210013, China; (X.A.)
| | - Shun Yan
- School of Electronic Engineering, Nanjing Xiaozhuang University, Nanjing 211171, China
| | - Chao Lin
- School of Electronic Engineering, Nanjing Xiaozhuang University, Nanjing 211171, China
| | - Kehong Lu
- School of Physics and Information Engineering, Jiangsu Province Engineering Research Center of Basic Education Big Data Application, Jiangsu Second Normal University, Nanjing 210013, China; (X.A.)
| | - Yujie Chen
- School of Physics and Information Engineering, Jiangsu Province Engineering Research Center of Basic Education Big Data Application, Jiangsu Second Normal University, Nanjing 210013, China; (X.A.)
| | - Ligang Ma
- School of Electronic Engineering, Nanjing Xiaozhuang University, Nanjing 211171, China
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8
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Licht K, Kosar V, Tomašić V, Duplančić M. Removal of the neonicotinoid insecticide acetamiprid from wastewater using heterogeneous photocatalysis. ENVIRONMENTAL TECHNOLOGY 2023; 44:1125-1134. [PMID: 34704530 DOI: 10.1080/09593330.2021.1994656] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 10/06/2021] [Indexed: 06/13/2023]
Abstract
Due to its high solubility in water, a large amount of the neonicotinoid insecticide acetamiprid persisting in the soil of treated crops enters surface water or groundwater. The aim of this study was to investigate the photocatalytic degradation of acetamiprid in an aqueous medium. The experiments were carried out in an annular suspension reactor operating in recirculated batch mode and using a UV-A lamp as the radiation source. An appropriate modification of the commercial TiO2-P25 photocatalyst was carried out to reduce its band gap energy and electron-hole recombination as well as to extend the visible light range of TiO2. The photodegradation study was carried out using a three-factor two-stage Box-Behnken experimental design to investigate the main effects and interactions between the operating variables, such as solution pH, initial concentration of acetamiprid, and amount of photocatalyst. The efficiency of the processes was determined by high performance liquid chromatography. The first-order pseudo-reaction kinetic model, as a simplification of the models of Langmuir-Hinshelwood under conditions of relatively low acetamiprid concentration, was applied and the reaction rate constants were estimated. The results of the study showed that the initial concentration of the pollutant was the most influential factor for the photocatalytic degradation process. Using ANOVA analysis, a linear model was established to predict the system behaviour at different operating conditions. The highest conversion and rate constant of acetamiprid degradation were recorded in the experiment with the lowest tested concentration of acetamiprid (2 mg/L), the average concentration of photocatalyst (60 mg) and at pH 8.
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Affiliation(s)
- Katarina Licht
- Faculty of Chemical Engineering and Technology, Department of Reaction Engineering and Catalysis, University of Zagreb, Zagreb, Croatia
| | - Vanja Kosar
- Faculty of Chemical Engineering and Technology, Department of Reaction Engineering and Catalysis, University of Zagreb, Zagreb, Croatia
| | - Vesna Tomašić
- Faculty of Chemical Engineering and Technology, Department of Reaction Engineering and Catalysis, University of Zagreb, Zagreb, Croatia
| | - Marina Duplančić
- Faculty of Chemical Engineering and Technology, Department of Reaction Engineering and Catalysis, University of Zagreb, Zagreb, Croatia
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9
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Peng H, Yen GC, Shahidi F. Optimized enzymatic synthesis of (epi)gallocatechin (EGC) monolaurate and the antioxidant evaluation of its ester analogs. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
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10
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Dhar AK, Himu HA, Bhattacharjee M, Mostufa MG, Parvin F. Insights on applications of bentonite clays for the removal of dyes and heavy metals from wastewater: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:5440-5474. [PMID: 36418828 DOI: 10.1007/s11356-022-24277-x] [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: 08/29/2022] [Accepted: 11/14/2022] [Indexed: 06/16/2023]
Abstract
In recent decades, increased industrial, agricultural, and domestic activities have resulted in the release of various pollutants into the aquatic systems, which require a reliable and environmentally friendly method to remove them. Adsorption is one of the most cost-effective and sustainable wastewater treatment techniques. A plethora of low-cost bio-based adsorbents have been developed worldwide so far to supplant activated carbon and its high processing costs. Bentonite clays (BCs), whether in natural or modified form, have gained enormous potential in wastewater treatment and have been used successfully as a novel and cost-effective bio-sorbent for removing organic and inorganic pollutants from the liquid suspension. It has become a sustainable solution for wastewater treatment due to its variety of surface and structural properties, superior chemical stability, high capacity for cation exchange, elevated surface area due to its layered structure, non-toxicity, abundance, low cost, and high adsorption capacity compared to other clays. This review encompasses comprehensive literature about various modification techniques and adsorption mechanisms of BCs concerning dyes and heavy metal removal from wastewater. A critical overview of different parameters for optimizing adsorption capacity and regeneration via the desorption technique has also been presented here. Finally, a conclusion has been drawn with some future research recommendations based on technological challenges encountered in industrializing these materials.
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Affiliation(s)
- Avik Kumar Dhar
- Department of Textiles, Merchandising, and Interiors, University of Georgia, 321 Dawson Hall, 305 Sanford Drive, Athens, GA-30602, USA.
| | - Humayra Akhter Himu
- Department of Environmental Science & Engineering, Bangladesh University of Textiles, Tejgaon, Dhaka-1208, Bangladesh
| | - Maitry Bhattacharjee
- Department of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA-30602, USA
| | - Md Golam Mostufa
- Department of Textile Engineering, Shyamoli Textile Engineering College, Dhaka, 1207, Bangladesh
| | - Fahmida Parvin
- Department of Environmental Sciences, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh
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11
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Pastre MMG, Cunha DL, Marques M. Design of biomass-based composite photocatalysts for wastewater treatment: a review over the past decade and future prospects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:9103-9126. [PMID: 36441319 DOI: 10.1007/s11356-022-24089-z] [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: 04/22/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
This investigation applied a systematic review approach on publications covering primary data during 2012-2022 with a focus on photocatalytic degradation of pollutants in aqueous solution by composite materials synthesized with biomass and, at least, TiO2 and/or ZnO semiconductors to form biomass-based composite photocatalysts (BCPs). After applying a set of eligibility criteria, 107 studies including 832 observations/entries were analyzed. The average removal efficiency and degradation kinetic rate reported for all model pollutants and BCPs were 77.5 ± 21.5% and 0.064 ± 0.174 min-1, respectively. Principal component analysis (PCA) was applied to analyze BCPs synthesis methods, experimental conditions, and BCPs' characteristics correlated with the removal efficiency and photodegradation kinetics. The relevance of adsorption processes on the pollutants' removal efficiency was highlighted by PCA applied to all categories of pollutants (PCA_pol). The PCA applied to textile dyes (PCA_dyes) and pharmaceutical compounds (PCA_pharma) also indicate the influence of variables related to the composite synthesis (i.e., thermal treatment and time spent on BCPs synthesis) and photocatalytic experimental parameters (catalyst concentration, pollutant concentration, and irradiation time) on the degradation kinetic accomplished by BCPs. Furthermore, the multivariate analysis (PCA_pol) revealed that the specific surface area and the narrow band gap are key characteristics for BCPs to serve as a competitive photocatalyst. The effect of scavengers on pollutants' degradation and the recyclability of BCPs are also discussed, as necessary aspects for scalability trends. Further investigations are recommended to compare the performance of BCPs and commercial catalysts, as well as to assess the costs to treat real wastewater.
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Affiliation(s)
- Marina M G Pastre
- Department of Sanitary and Environmental Engineering, Rio de Janeiro State University (UERJ), R. São Francisco Xavier, 524, CEP, Rio de Janeiro, RJ, 20550-900, Brazil.
| | - Deivisson Lopes Cunha
- Department of Sanitary and Environmental Engineering, Rio de Janeiro State University (UERJ), R. São Francisco Xavier, 524, CEP, Rio de Janeiro, RJ, 20550-900, Brazil
| | - Marcia Marques
- Department of Sanitary and Environmental Engineering, Rio de Janeiro State University (UERJ), R. São Francisco Xavier, 524, CEP, Rio de Janeiro, RJ, 20550-900, Brazil
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12
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Belay MH, Dal Bello F, Marengo E, Fabbri D, Medana C, Robotti E. Solar photodegradation of irinotecan in water: optimization and robustness studies by experimental design. Photochem Photobiol Sci 2022; 22:761-772. [PMID: 36478325 DOI: 10.1007/s43630-022-00350-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/25/2022] [Indexed: 12/12/2022]
Abstract
Irinotecan, a widely prescribed anticancer drug, is an emerging contaminant of concern that has been detected in various aquatic environments due to ineffective removal by traditional wastewater treatment systems. Solar photodegradation is a viable approach that can effectively eradicate the drug from aqueous systems. In this study, we used the design of experiment (DOE) approach to explore the robustness of irinotecan photodegradation under simulated solar irradiation. A full factorial design, including a star design, was applied to study the effects of three parameters: initial concentration of irinotecan (1.0-9.0 mg/L), pH (5.0-9.0), and irradiance (450-750 W/m2). A high-performance liquid chromatography coupled with a high-resolution mass spectrometry (HPLC-HRMS) system was used to determine irinotecan and identify transformation products. The photodegradation of irinotecan followed a pseudo-first order kinetics. In the best-fitted linear model determined by the stepwise model fitting approach, pH was found to have about 100-fold greater effect than either irinotecan concentration or solar irradiance. Under optimal conditions (irradiance of 750 W/m2, 1.0 mg/L irinotecan concentration, and pH 9.0), more than 98% of irinotecan was degraded in 60 min. With respect to irradiance and irinotecan concentration, the degradation process was robust in the studied range, implying that it may be effectively applied in locations and/or seasons with solar irradiance as low as 450 W/m2. However, pH needs to be strictly controlled and kept between 7.0 and 9.0 to maintain the degradation process robust. Considerations about the behavior of degradation products were also drawn.
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Affiliation(s)
- Masho Hilawie Belay
- Department of Sciences and Technological Innovation, University of Piemonte Orientale, Viale T. Michel 11, 15121, Alessandria, Italy
- Department of Chemistry, College of Natural and Computational Sciences, Mekelle University, P. O. Box 231, Mekelle, Ethiopia
| | - Federica Dal Bello
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Via P. Giuria 5, 10125, Turin, Italy.
| | - Emilio Marengo
- Department of Sciences and Technological Innovation, University of Piemonte Orientale, Viale T. Michel 11, 15121, Alessandria, Italy
| | - Debora Fabbri
- Department of Chemistry, University of Turin, Via P. Giuria 5, 10125, Turin, Italy
| | - Claudio Medana
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Via P. Giuria 5, 10125, Turin, Italy
| | - Elisa Robotti
- Department of Sciences and Technological Innovation, University of Piemonte Orientale, Viale T. Michel 11, 15121, Alessandria, Italy
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Wang Y, Feng W, Li J, You Z. A novel route for the facile synthesis of NH2-MIL-53(Fe) and its highly efficient and selective adsorption of congo red. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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14
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Chu H, Li Y, Wang C, Shen JW, Wei Y. MOF-coated upconversion nanoconstructs for synergetic photo-chemodynamic/oxygen-elevated photodynamic therapy. Dalton Trans 2022; 51:16336-16343. [PMID: 36226500 DOI: 10.1039/d2dt02441a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Excessive production of intracellular reactive oxygen species (ROS) can induce apoptosis of cancer cells; however, it is often limited by severe triggering conditions and hypoxic microenvironments of solid tumors. To address these issues, herein, we have designed a MOF-coated upconversion nanoconstruct (UCTSCF, referring to UC@Ce6/TFS@mSiO2@MIL-100(Cu/Fe)) for synergetic photochemodynamic therapy (PCT)/oxygen-elevated photodynamic therapy (PDT). The MOF (MIL-100(Fe)) coating with Cu-doping was designed to catalyze H2O2 overexpression in cancer cells to generate the most cytotoxic ˙OH via chemodynamic therapy (CDT). It is noted that UC, representing 808 nm driven upconversion nanoparticles with high tissue penetration depth/low over-heating effects, was designed to provide intense blue light which can relieve the severe triggering conditions of CDT via PCT. Furthermore, the functional layer of the photosensitizer chlorin e6 (Ce6) and O2-carrying triethoxy(1H,1H,2H,2H-nonafluorohexyl)silane (TFS) co-doped mesoporous silicon (Ce6/TFS@mSiO2) can cause oxygen-elevated 1O2 production upon 671 nm light irradiation. In such a simple ROS generation nanoplatform, we heighten the antitumor effect via oxygen-elevated synergetic tumor PCT/PDT.
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Affiliation(s)
- Huiyuan Chu
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China. .,Department of Ecology and Resource Engineering, Hetao College, Bayannur, 015000, P. R. China
| | - Yameng Li
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China.
| | - Chaozhan Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China.
| | - Ji-Wei Shen
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China.
| | - Yinmao Wei
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China.
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15
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Ammonia quantum tunneling in cold rare-gas He and Ar clusters and factorial design approach for methodology evaluation. J Mol Model 2022; 28:293. [PMID: 36063224 DOI: 10.1007/s00894-022-05267-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 08/12/2022] [Indexed: 10/14/2022]
Abstract
Quantum tunneling of the ammonia inversion motion and energy level splittings in He and Ar clusters were investigated. It was found that the double well potential (DWP) in He clusters is symmetrical and that the first layer of He atoms is able to model the system. The calculated tunneling splitting was in good agreement with the experimental, 36.4 and 24.6 cm[Formula: see text] respectively. For NH[Formula: see text] in Ar clusters, the DWP becomes slightly asymmetric, which is enough to decrease the resonance and make the symmetric DWP unable to model the system. An asymmetric potential was used and the result was in excellent agreement with the experimental splitting, of 9.0 and 10.6 cm[Formula: see text] respectively. Non-covalent interactions revealed that the asymmetry is caused by dissimilar interactions in each minimum of the double well potential. The effects of different methodologies were analyzed via a design of experiments approach. For the gas-phase NH[Formula: see text] molecule, only diffuse functions were statistically significant while for the NH[Formula: see text] embedded in He cluster both the MP2 method and polarization functions were significant. This tendency suggests higher order polarization functions may be essential to generate accurate barrier heights.
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16
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Benisha R, Amalanathan M, Aravind M, Mary MSM, Ahmad A, Tabassum S, Al-Qahtani WH, Ahmad I. Catharanthus roseus leaf extract mediated Ag-MgO nanocatalyst for photocatalytic degradation of Congo red dye and their antibacterial activity. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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17
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Chemical exfoliation of silica filters used on methylene blue degradation by photocatalysis. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02253-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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18
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Dadashi J, Ghasemzadeh MA, Salavati-Niasari M. Recent developments in hydrogels containing copper and palladium for the catalytic reduction/degradation of organic pollutants. RSC Adv 2022; 12:23481-23502. [PMID: 36090397 PMCID: PMC9386442 DOI: 10.1039/d2ra03418b] [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: 06/01/2022] [Accepted: 07/27/2022] [Indexed: 11/21/2022] Open
Abstract
The elimination of toxic and hazardous contaminants from different environmental media has become a global challenge, causing researchers to focus on the treatment of pollutants. Accordingly, the elimination of inorganic and organic pollutants using sustainable, effective, and low-cost heterogeneous catalysts is considered as one of the most essential routes for this aim. Thus, many efforts have been devoted to the synthesis of novel compounds and improving their catalytic performance. Recently, palladium- and copper-based hydrogels have been used as catalysts for reduction, degradation, and decomposition reactions because they have significant features such as high mechanical strength, thermal stability, and high surface area. Herein, we summarize the progress achieved in this field, including the various methods for the synthesis of copper- and palladium-based hydrogel catalysts and their applications for environmental remediation. Moreover, palladium- and copper-based hydrogel catalysts, which have certain advantages, including high catalytic ability, reusability, easy work-up, and simple synthesis, are proposed as a new group of effective catalysts. The elimination of toxic and hazardous contaminants from different environmental media has become a global challenge, causing researchers to focus on the treatment of pollutants.![]()
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Affiliation(s)
- Jaber Dadashi
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, Iran
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19
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Zhang H, Wang X, Wang Y, Gu Z, Chen L. Bi-functional water-purification materials derived from natural wood modified TiO 2 by photothermal effect and photocatalysis. RSC Adv 2022; 12:26245-26250. [PMID: 36275091 PMCID: PMC9477069 DOI: 10.1039/d2ra02013k] [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: 03/29/2022] [Accepted: 08/30/2022] [Indexed: 11/30/2022] Open
Abstract
As one of the sustainable and renewable materials, the carbonization of natural wood is generally considered as a low-cost, environmentally friendly method to fabricate carbon materials. Natural wood, by surficial carbonization, can possess an excellent photothermal effect, low heat loss, and easy water transportation in the solar water desalination process based on the unique structures, leading to high solar water desalination performance. Here, we design and construct a composite of commercial P25 nanocrystal-loaded semi-spherical wood with surficial carbonization at the semi-spherical end (P25/wC-s-s), which is beneficial for light harvesting and water evaporation due to the semi-spherical structure-induced large surface area. The composite displays bi-functions of high solar-to-vapour energy efficiency and an intriguing photo-degradation efficiency for organic pollutants in the solar water purification process. The research provides a novel approach to engineering an efficient, stable, and low-cost bi-functional device for the photothermal/photoelectronic conversion of water treatment. A bifunctional water-purification material is designed by surficial carbonization of the semi-spherical end of a natural wood block and loading of P25 on the lateral surfaces of wood domains.![]()
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Affiliation(s)
- Hui Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Xiaohua Wang
- Department of Pharmaceutical Engineering, Bengbu Medical College, Bengbu, 233030, China
| | - Yao Wang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Zhizhi Gu
- College of Fisheries and Life Science, Dalian Ocean University, Dalian 116023, China
| | - Liyong Chen
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
- Department of Pharmaceutical Engineering, Bengbu Medical College, Bengbu, 233030, China
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20
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Bai T, Li T, Shang D, Liu C, Li R, Bai F, Xing S. Colloid synthesis of AgGa(S1-xSex)2 solid solution nanocrystals with composition-dependent crystal phase for efficient photocatalytic degradation of methyl violet. CrystEngComm 2022. [DOI: 10.1039/d2ce00200k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of homogeneous AgGa(S1-xSex)2 solid solutions nanocrystals with controllable composition (0 ≤ x ≤ 1) have been successfully prepared through a facile colloidal synthesis approach. Remarkably, they exhibit an...
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21
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Da T, Chen T, Ma Y, Tong Z. Application of response surface method in the separation of radioactive material: a review. RADIOCHIM ACTA 2021. [DOI: 10.1515/ract-2021-1039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Response Surface Method (RSM) is one of the most popular and powerful tools for experimental design and optimization. This paper first reviewed the research progress of RSM in the separation and recovery of various radioactive materials, and verified the application of RSM in adsorption isotherm analysis and thermodynamic calculation. The main advantage of RSM in radioactive material separation is the reduction in the number of experiments required, resulting in considerably less radioactive material consumption, secondary waste generation, workload and radiation dose, which is valuable for the research of radioactive material separation.
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Affiliation(s)
- Tianxing Da
- School of Nuclear Science and Engineering, North China Electric Power University , Beijing , 102206 , China
- Beijing Key Laboratory of Passive Safety Technology for Nuclear Energy, North China Electric Power University , Beijing , 102206 , China
| | - Tao Chen
- School of Nuclear Science and Engineering, North China Electric Power University , Beijing , 102206 , China
- Beijing Key Laboratory of Passive Safety Technology for Nuclear Energy, North China Electric Power University , Beijing , 102206 , China
| | - Yan Ma
- School of Nuclear Science and Engineering, North China Electric Power University , Beijing , 102206 , China
- Beijing Key Laboratory of Passive Safety Technology for Nuclear Energy, North China Electric Power University , Beijing , 102206 , China
| | - Zhenfeng Tong
- School of Nuclear Science and Engineering, North China Electric Power University , Beijing , 102206 , China
- Beijing Key Laboratory of Passive Safety Technology for Nuclear Energy, North China Electric Power University , Beijing , 102206 , China
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22
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Experimental Design in Polymer Chemistry-A Guide towards True Optimization of a RAFT Polymerization Using Design of Experiments (DoE). Polymers (Basel) 2021; 13:polym13183147. [PMID: 34578048 PMCID: PMC8468855 DOI: 10.3390/polym13183147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/01/2021] [Accepted: 09/13/2021] [Indexed: 11/17/2022] Open
Abstract
Despite the great potential of design of experiments (DoE) for efficiency and plannability in academic research, it remains a method predominantly used in industrial processes. From our perspective though, DoE additionally provides greater information gain than conventional experimentation approaches, even for more complex systems such as chemical reactions. Hence, this work presents a comprehensive DoE investigation on thermally initiated reversible addition–fragmentation chain transfer (RAFT) polymerization of methacrylamide (MAAm). To facilitate the adaptation of DoE for virtually every other polymerization, this work provides a step-by-step application guide emphasizing the biggest challenges along the way. Optimization of the RAFT system was achieved via response surface methodology utilizing a face-centered central composite design (FC-CCD). Highly accurate prediction models for the responses of monomer conversion, theoretical and apparent number averaged molecular weights, and dispersity are presented. The obtained equations not only facilitate thorough understanding of the observed system but also allow selection of synthetic targets for each individual response by prediction of the respective optimal factor settings. This work successfully demonstrates the great capability of DoE in academic research and aims to encourage fellow scientists to incorporate the technique into their repertoire of experimental strategies.
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23
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Abdulwahid AA, Alwattar AA, Haddad A, Alshareef M, Moore J, Yeates SG, Quayle P. An efficient reusable perylene hydrogel for removing some toxic dyes from contaminated water. POLYM INT 2021. [DOI: 10.1002/pi.6186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Ali A Abdulwahid
- Chemistry Department, College of Science University of Basrah Basrah Iraq
| | - Aula A Alwattar
- Chemistry Department, College of Science University of Basrah Basrah Iraq
- Department of Chemistry University of Manchester Manchester UK
| | - Athir Haddad
- Chemistry Department, College of Science University of Basrah Basrah Iraq
- Department of Chemistry University of Manchester Manchester UK
| | - Mubark Alshareef
- Department of Chemistry University of Manchester Manchester UK
- Department of Chemistry, Faculty of Applied Science Umm Al‐Qura University Makkah Saudi Arabia
| | - Joshua Moore
- Department of Chemistry University of Manchester Manchester UK
| | | | - Peter Quayle
- Department of Chemistry University of Manchester Manchester UK
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24
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Wang Q, Lai Z, Luo C, Zhang J, Cao X, Liu J, Mu J. Honeycomb-like activated carbon with microporous nanosheets structure prepared from waste biomass cork for highly efficient dye wastewater treatment. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:125896. [PMID: 34492834 DOI: 10.1016/j.jhazmat.2021.125896] [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: 01/08/2021] [Revised: 04/09/2021] [Accepted: 04/10/2021] [Indexed: 06/13/2023]
Abstract
Cork, a porous biomass material, is consist of thin-walled hollow prismatic cells arranged into a compact and orderly honeycomb-like structure and could be applied as an adsorption material. Here, cork-activated carbons (CACs) with a fluffy honeycomb-like structure were synthesized by two-step pyrolysis with solid KOH chemical activation to rapidly and efficiently adsorb methylene blue (MB) (maximum wavelength: 664 nm). The structure, morphology and surface functional groups of the CACs were characterized using BET, SEM, and FTIR analysis. The results show that the CACs have a well-developed hierarchical porous structure and an ultra-high specific surface area of 2864.9 m2/g, which would facilitate the efficient diffusion and adsorption of MB molecules onto CACs. MB adsorption performance results show that the CACs have an outstanding maximum MB adsorption capacity (1103.68 mg/g) and fast adsorption kinetics (800 mg/L, 99.8% in 10 min), indicating that CACs possess significant advantages compared with most other adsorbents previously reported. The adsorption mechanism was studied by various kinetic models, isothermal models and thermodynamic models. Langmuir model is the most adapted to describe the adsorption process, indicating that the MB molecules are uniformly adsorbed on CAC's surface in a single layer. Moreover, MB adsorption by the CACs was an endothermic, spontaneous and randomly increasing adsorption. The regeneration test showed that the uptake of MB onto CACs can still reached 580 mg/g after three adsorption-desorption cycles, demonstrating the excellent reusability of CACs. The continuous adsorption performance of MB onto CACs was evaluated by a packed column test, which further confirmed its potential as an adsorbent for dye wastewater purification.
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Affiliation(s)
- Qihang Wang
- Key Laboratory of Wood Material Science and Utilization (Beijing Forestry University), Ministry of Education, Beijing 100083, PR China
| | - Zongyuan Lai
- Key Laboratory of Wood Material Science and Utilization (Beijing Forestry University), Ministry of Education, Beijing 100083, PR China
| | - Cuimei Luo
- Key Laboratory of Wood Material Science and Utilization (Beijing Forestry University), Ministry of Education, Beijing 100083, PR China
| | - Jing Zhang
- Key Laboratory of Wood Material Science and Utilization (Beijing Forestry University), Ministry of Education, Beijing 100083, PR China
| | - Xudong Cao
- Key Laboratory of Wood Material Science and Utilization (Beijing Forestry University), Ministry of Education, Beijing 100083, PR China
| | - Jiao Liu
- Key Laboratory of Wood Material Science and Utilization (Beijing Forestry University), Ministry of Education, Beijing 100083, PR China
| | - Jun Mu
- Key Laboratory of Wood Material Science and Utilization (Beijing Forestry University), Ministry of Education, Beijing 100083, PR China.
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25
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Keerthana SP, Yuvakkumar R, Senthil Kumar P, Ravi G, Velauthapillai D. Anionic surfactant assisted copper hydroxide for toxic dye removal from wastewater. ENVIRONMENTAL RESEARCH 2021; 199:111310. [PMID: 34000271 DOI: 10.1016/j.envres.2021.111310] [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: 03/20/2021] [Revised: 04/27/2021] [Accepted: 05/06/2021] [Indexed: 06/12/2023]
Abstract
Wastewater treatment is the most important criteria that will deliberately reduce the water scarcity and to remove the organic pollutants from water. In this study, pure copper hydroxide (Cu(OH)2), 1% sodium dodecyl sulphate (SDS) and 2% sodium dodecyl sulphate (SDS) assisted Cu(OH)2 was prepared through co-precipitation technique. The prepared samples was investigated employing standard characterization studies. The X-Ray diffraction (XRD) pattern was confirmed with JCPDS card # 80-0656 with crystallite size of 25, 23 and 21 nm for pure Cu(OH)2, 1% SDS and 2% SDS assisted Cu(OH)2. The bandgap energy obtained for Cu(OH)2, 1% SDS and 2% SDS assisted Cu(OH)2 were 2.86 eV, 2.81 eV and 2.72 eV. The narrow bandgap of 2% SDS assisted Cu(OH)2 enhanced the photocatalytic activity than other two samples. The formation of nanoclusters and nanosheets were confirmed with Scanning Electron Microscopic (SEM) analysis. The thick clumsy nanosheets are formed as large nanoclusters in pure Cu(OH)2. Addition of SDS reduced the thickness of nanosheets and formed a little cluster. The prepared product photocatalytic performance was examined employing degradation of Methylene Blue (MB) dye. 2% SDS assisted Cu(OH)2 added MB dye solution was completely degraded with 98% efficiency. The reduce in particle size, high recombination of electron-hole pair with narrow bandgap made the 2% SDS assisted Cu(OH)2 candidate to give out potential output in eliminating the organic pollutants.
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Affiliation(s)
- S P Keerthana
- Department of Physics, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India
| | - R Yuvakkumar
- Department of Physics, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India.
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India.
| | - G Ravi
- Department of Physics, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India
| | - Dhayalan Velauthapillai
- Faculty of Engineering and Science, Western Norway University of Applied Sciences, Bergen, 5063, Norway
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26
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Ardila JA, de Alvarenga Junior BR, Durango LC, Soares FLF, Perlatti B, de Oliveira Cardoso J, Oliveira RV, Forim MR, Carneiro RL. Design of experiments applied to stress testing of pharmaceutical products: A case study of Albendazole. Eur J Pharm Sci 2021; 165:105939. [PMID: 34284097 DOI: 10.1016/j.ejps.2021.105939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 05/28/2021] [Accepted: 06/28/2021] [Indexed: 10/20/2022]
Abstract
Forced degradation tests are studies used to assess the stability of active pharmaceutical ingredients (APIs) and their formulations. These tests are performed submitting the API under extreme conditions in order to know the main degradation products in a short period of time. The results of these studies are used to assess the degradation susceptibility of APIs and to validate chromatographic analytical methods. However, most of degradation studies are performed using one-factor-at-the-time (OFAT) which does not consider the interactions between degradation variables. This work proposes the use of Design of Experiment (DoE) approach in forced degradation of albendazole (ABZ). It was used a central composite design (CCD) to evaluate the forced degradation in a multivariate way. Experiments were performed taking into account the variables pH, temperature, oxidizing agent (H2O2) and UV radiation. It was verified the influence of the variables and their interactions on the ABZ degradation. The ABZ oxidation showed to be the main degradation route for ABZ, which is strongly influenced by the temperature. The hydrolysis was relevant at alkaline medium and high temperature. LC-IT-MSn was used to identify the degradation products. It was found three known degradation products (albendazole-2-amino, albendazole sulfoxide and albendazole sulfone) and a new derivate of albendazole molecule (albendazole sulfoxide with a chlorine). This last one was isolated and characterized by UPLC-QToF-MS and NMR analyses.
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Affiliation(s)
- Jorge Armando Ardila
- Department of Chemistry, Federal University of São Carlos, 13565-905, São Carlos, São Paulo, Brazil
| | | | - Luis Cuadrado Durango
- Department of Chemistry, Federal University of São Carlos, 13565-905, São Carlos, São Paulo, Brazil
| | | | - Bruno Perlatti
- Department of Chemistry and Biochemistry, University of California, 90095, Los Angeles, California, USA
| | | | - Regina Vincenzi Oliveira
- Department of Chemistry, Federal University of São Carlos, 13565-905, São Carlos, São Paulo, Brazil
| | - Moacir Rossi Forim
- Department of Chemistry, Federal University of São Carlos, 13565-905, São Carlos, São Paulo, Brazil
| | - Renato Lajarim Carneiro
- Department of Chemistry, Federal University of São Carlos, 13565-905, São Carlos, São Paulo, Brazil.
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27
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Zheng W, Liu Y, Liu W, Ji H, Li F, Shen C, Fang X, Li X, Duan X. A novel electrocatalytic filtration system with carbon nanotube supported nanoscale zerovalent copper toward ultrafast oxidation of organic pollutants. WATER RESEARCH 2021; 194:116961. [PMID: 33657492 DOI: 10.1016/j.watres.2021.116961] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 02/17/2021] [Accepted: 02/20/2021] [Indexed: 06/12/2023]
Abstract
In this study, we designed an integrated electrochemical filtration system for catalytic activation of peroxymonosulfate (PMS) and degradation of aqueous microcontaminants. Composites of carbon nanotube (CNT) and nanoscale zero valence copper (nZVC) were developed to serve as high-performance catalysts, electrode and filtration media simultaneously. We observed both radical and nonradical reaction pathways, which collectively contributed to the degradation of model pollutants. Congo red was completely removed via a single-pass through the nZVCCNT filter (τ <2 s) at neutral pH. The rapid kinetics of Congo red degradation were maintained across a wide pH range (from 3.0-7.0), in complicated matrixes (e.g., tap water and lake water), and for the degradation of a wide array of persistent organic contaminants. The superior activity of nZVCCNT stems from the boosted redox cycles of Cu2+/Cu+ in the presence of an external electric field. The flow-through design remarkably outperformed the conventional batch system due to the convection-enhanced mass transport. Mechanism studies suggested that the carbonyl group and electrophilic oxygen of CNT served as electron donor and electron acceptor, respectively, to activate PMS to generate •OH and 1O2via one-electron transport. The electron-deficient Cu atoms are prone to react with PMS via surface hydroxyl group to produce reactive intermediates (Cu2+-O-O-SO3-), and then 1O2 will be generated by breaking the coordination bond of the metastable intermediate. The study will provide a green strategy for the remediation of organic pollution by a highly efficient and integrated system based on catalytic oxidation, electrochemistry, and nano-filtration techniques.
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Affiliation(s)
- Wentian Zheng
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Yanbiao Liu
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China; Shanghai Institute of Pollution Control and Ecological Security, 1239 Siping Road, Shanghai, 200092, China.
| | - Wen Liu
- The Key Laboratory of Water and Sediment Sciences, Ministry of Education, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Haodong Ji
- The Key Laboratory of Water and Sediment Sciences, Ministry of Education, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Fang Li
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China; Shanghai Institute of Pollution Control and Ecological Security, 1239 Siping Road, Shanghai, 200092, China
| | - Chensi Shen
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China; Shanghai Institute of Pollution Control and Ecological Security, 1239 Siping Road, Shanghai, 200092, China
| | - Xiaofeng Fang
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Xiang Li
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China; Shanghai Institute of Pollution Control and Ecological Security, 1239 Siping Road, Shanghai, 200092, China
| | - Xiaoguang Duan
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide 5005, SA, Australia
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28
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Ramadoss G, Suriyaraj SP, Sivaramakrishnan R, Pugazhendhi A, Rajendran S. Mesoporous ferromagnetic manganese ferrite nanoparticles for enhanced visible light mineralization of azoic dye into nontoxic by-products. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 765:142707. [PMID: 33069475 DOI: 10.1016/j.scitotenv.2020.142707] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/18/2020] [Accepted: 09/25/2020] [Indexed: 06/11/2023]
Abstract
In this study, a one pot facile synthesis of ferromagnetic manganese ferrite nanoparticles (MnFe2O4) was carried out using chemical co-precipitation method for mineralization of azo dye (Congo red (CR)) in aqueous solution under visible light irradiation. The synthesized MnFe2O4 nanoparticles were highly crystalline and showed face-centred cubic (FCC) structure with average particle size of 58 ± 4 nm. The BET analysis of the MnFe2O4 nanoparticles revealed the mesoporous distribution of material with high surface area can provide large electro active sites and short diffusion paths for the transport of ions which plays a vital role in the photocatalytic degradation of CR. The point of zero charge (pHPZC) was observed to be 6.7 indicating favourable condition for material-anionic dye interaction. The XPS studies revealed that the large amounts of oxygen vacancies were produced due to the defects in the lattice oxygen. The MnFe2O4 nanoparticles mineralised 98.3 ± 0.2% of 50 mg/L CR within 30 min when tested in photocatalytic reactor under 565 nm. The particles were recoverable under the influence of an external magnet after the photocatalytic reaction and were reusable. The recovered nanoparticles showed 96% of CR degradation efficiency even after five cycles of reuse. The by-product analysis with GC-MS indicated mineralization of CR into simple alcohols and acids. The aqueous solution containing mineralised CR was nontoxic to Trigonella foenumgraecum and Vigna mungo seeds and favoured increased germination, plumule and radicle length when compared to untreated CR.
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Affiliation(s)
- Govindarajan Ramadoss
- School of Chemical and Biotechnology, SASTRA Deemed University, Thirumalaisamudram, Thanjavur 613401, India
| | | | - Ramachandran Sivaramakrishnan
- Laboratory of Cyanobacterial Biotechnology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Arivalagan Pugazhendhi
- Innovative Green Product Synthesis and Renewable Environment Development Research Group, Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Viet Nam.
| | - Selvakumar Rajendran
- Nanobiotechnology Laboratory, PSG Institute of Advanced Studies, P.B. No: 1609, Peelamedu, Coimbatore, -641004, Tamilnadu, India.
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Haghighi A, Haghighi M, Shabani M, Fard SG. Oxygen-rich bismuth oxybromide nanosheets coupled with Ag 2O as Z-scheme nano-heterostructured plasmonic photocatalyst: Solar light-activated photodegradation of dye pollutants. JOURNAL OF HAZARDOUS MATERIALS 2021; 408:124406. [PMID: 33243650 DOI: 10.1016/j.jhazmat.2020.124406] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 10/25/2020] [Accepted: 10/26/2020] [Indexed: 06/11/2023]
Abstract
In this research to enhance the photocatalytic activity of Bi24O31Br10, precipitation fabrication of the Z-scheme heterojunction with Ag-Ag2O has been investigated. The characterizations were carried out by XRD, FESEM, TEM, EDX, BET-BJH, DRS and pHpzc analyzes. The Ag-Ag2O/Bi24O31Br10 Z-scheme heterojunction nanophotocatalyst with weighted ratio of 3:1 exhibited the wide absorption in the visible light region and displayed the high photocatalytic activity for the photodegradation of acid orange 7 (96.5%, 94.1% and 90% for 10, 20 and 60 mg/L, respectively after 120 min) and eosin yellow (for 10 mg/L: 81.5%) compared to the other composites and pure Bi24O31Br10 and Ag-Ag2O samples. The highly enhanced photocatalytic activity of Ag-Ag2O/Bi24O31Br10 (3:1) was assigned to the surface plasmon resonance effect of silver nanoparticles, high solar-light-response and the structure of Z-scheme heterojunction, which effectively reduces the recombination of the photogenerated charge carriers. Moreover Ag-Ag2O/Bi24O31Br10(3:1) Z-scheme heterojunction nanophotocatalyst exhibited the good photocatalytic activity even after 4 runs.
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Affiliation(s)
- Amir Haghighi
- Chemical Engineering Faculty, Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran; Reactor and Catalysis Research Center (RCRC), Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran
| | - Mohammad Haghighi
- Chemical Engineering Faculty, Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran; Reactor and Catalysis Research Center (RCRC), Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran.
| | - Maryam Shabani
- Chemical Engineering Faculty, Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran; Reactor and Catalysis Research Center (RCRC), Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran
| | - Shalaleh Gholizadeh Fard
- Chemical Engineering Faculty, Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran; Reactor and Catalysis Research Center (RCRC), Sahand University of Technology, P.O. Box 51335-1996, Sahand New Town, Tabriz, Iran
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30
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Photocatalytic degradation of cefazoline antibiotic using zeolite-supported CdS/CaFe2O4 Z-scheme photocatalyst: Optimization and modeling of process by RSM and ANN. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115476] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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31
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Bertagna Silva D, Buttiglieri G, Babić S. State-of-the-art and current challenges for TiO 2/UV-LED photocatalytic degradation of emerging organic micropollutants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:103-120. [PMID: 33052564 DOI: 10.1007/s11356-020-11125-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 10/04/2020] [Indexed: 05/08/2023]
Abstract
The development of ultraviolet light-emitting diodes (UV-LED) opens new possibilities for water treatment and photoreactor design. TiO2 photocatalysis, a technology that has been continuously drawing attention, can potentially benefit from LEDs to become a sustainable alternative for the abatement of organic micropollutants (OMPs). Recently reported data on photocatalytic degradation of OMPs and their parameters of influence are here critically evaluated. The literature on OMP degradation in real water matrices, and at environmentally relevant concentrations, is largely missing, as well as the investigations of the impact of photoreactor design in pollutant degradation kinetics. The key factors for reducing UV-LED treatment technology costs are pointed out, like the increase in external quantum and wall-plug efficiencies of UV-LEDs compared to other technologies, as well as the need for an appropriate design optimizing light homogeneity in the reactor. Controlled periodic illumination, wavelength coupling and H2O2 addition are presented as efficiency enhancement options. Although electrical energy per order (EEO) values for UV-LED photocatalysis have decreased to the range of traditional mercury lamps, values are still not low enough for practical employment. Moreover, due to the adoption of high initial OMP concentration in most experiments, it is likely that most literature EEO values are overestimated. Given the process characteristics, which are favoured by translucent matrices and small diameters for more homogenous light distribution and better transportation of radicals, innovative reactor designs should explore the potential of point-of-use applications to increase photocatalysis applicability at large scale.
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Affiliation(s)
- Danilo Bertagna Silva
- Faculty of Chemical Engineering, University of Zagreb, Trg Marka Marulića 19, 10000, Zagreb, Croatia
| | - Gianluigi Buttiglieri
- Catalan Institute of Water Research (ICRA), C. Emili Grahit 101, 17003, Girona, Spain
- Universitat de Girona, Girona, Spain
| | - Sandra Babić
- Faculty of Chemical Engineering, University of Zagreb, Trg Marka Marulića 19, 10000, Zagreb, Croatia.
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32
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Jayababu S, Inbasekaran M, Narayanasamy S. Significantly improved solar photodegradation of water pollutant by new plate-like bismuth ferrite nanoparticles tuned by gelatin. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2020.108306] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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33
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Cheng SY, Show PL, Juan JC, Chang JS, Lau BF, Lai SH, Ng EP, Yian HC, Ling TC. Landfill leachate wastewater treatment to facilitate resource recovery by a coagulation-flocculation process via hydrogen bond. CHEMOSPHERE 2021; 262:127829. [PMID: 32768754 DOI: 10.1016/j.chemosphere.2020.127829] [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: 06/29/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 06/11/2023]
Abstract
Recent trend to recover value-added products from wastewater calls for more effective pre-treatment technology. Conventional landfill leachate treatment is often complex and thus causes negative environmental impacts and financial burden. In order to facilitate downstream processing of leachate wastewater for production of energy or value-added products, it is pertinent to maximize leachate treatment performance by using simple yet effective technology that removes pollutants with minimum chemical added into the wastewater that could potentially affect downstream processing. Hence, the optimization of coagulation-flocculation leachate treatment using multivariate approach is crucial. Central composite design was applied to optimize operating parameters viz. Alum dosage, pH and mixing speed. Quadratic model indicated that the optimum COD removal of 54% is achieved with low alum dosage, pH and mixing speed of 750 mgL-1, 8.5 and 100 rpm, respectively. Optimization result showed that natural pH of the mature landfill leachate sample is optimum for alum coagulation process. Hence, the cost of pH adjustment could be reduced for industrial application by adopting optimized parameters. The inherent mechanism of pollutant removal was elucidated by FTIR peaks at 3853 cm-1 which indicated that hydrogen bonds play a major role in leachate removal by forming well aggregated flocs. This is concordance with SEM image that the floc was well aggregated with the porous linkages and amorphous surface structure. The optimization of leachate treatment has been achieved by minimizing the usage of alum under optimized condition.
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Affiliation(s)
- Sze Yin Cheng
- Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Pau-Loke Show
- Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Nottingham Malaysia Campus, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia.
| | - Joon Ching Juan
- Nanotechnology & Catalysis Research Centre, Deputy Vice Chancellor (Research & Innovation) Office, University of Malaya, 50603, Kuala Lumpur, Malaysia.
| | - Jo-Shu Chang
- Research Center for Energy Technology and Strategy, National Cheng Kung University, Tainan, 701, Taiwan; Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan; Research Centre for Circular Economy, National Cheng Kung University, Tainan, 701, Taiwan; College of Engineering, Tunghai University, Taichung, 407, Taiwan
| | - Beng Fye Lau
- Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Sai Hin Lai
- Department of Civil Engineering, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Eng Poh Ng
- School of Chemical Sciences, University of Science, Malaysia, 11800, Pulau Pinang, Malaysia
| | - Haw Choon Yian
- School of Energy and Chemical Engineering, Xiamen University Malaysia, 43900, Sepang, Malaysia
| | - Tau Chuan Ling
- Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia.
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34
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Karimi Estahbanati MR, Feilizadeh M, Attar F, Iliuta MC. Current developments and future trends in photocatalytic glycerol valorization: process analysis. REACT CHEM ENG 2021. [DOI: 10.1039/d0re00382d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Challenges and opportunities in photocatalytic glycerol valorization to hydrogen and value-added liquid products: process analysis and parametric study.
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Affiliation(s)
| | | | - Farid Attar
- School of Chemical and Petroleum Engineering
- Shiraz University
- Shiraz
- Iran
| | - Maria C. Iliuta
- Department of Chemical Engineering
- Université Laval
- Québec
- Canada
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35
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Yang J, Yang Y, Xie Z, Yu H, Huang Q, Xu Y, He J, Wen T, Liu Q. Ca 2+ mediated mechanism of octa-brominated dioxin/furan formation via BDE-209 thermolysis: Introducing the Mayer bond order difference. JOURNAL OF HAZARDOUS MATERIALS 2020; 400:123229. [PMID: 32585521 DOI: 10.1016/j.jhazmat.2020.123229] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 05/29/2020] [Accepted: 06/11/2020] [Indexed: 06/11/2023]
Abstract
Polybrominated dibenzo-p-dioxins/dibenzofurans (PBDD/Fs) that form during industrial thermal processes, such as the cement kiln co-processing of BDE-209, are highly toxic contaminants. Nevertheless, the formation mechanisms of octa-brominated dioxins/furans (OBDD/Fs), most PBDD/F congeners, and one precursor of the more toxic lower PBDD/Fs from BDE-209 have received little attention. In cement kiln co-processes, the Ca2+-mediated regulation of OBDD/F formation is still debated. In this study, simulation experiments revealed that the average brominating degree of PBDD/Fs was 7.8, indicating that OBDD/Fs are dominant congeners (93.6 % median). Density functional theory (DFT) calculations found a new transition state (TS1) with a lower energy barrier than that found in a previous study. Three major OBDD/F formation reactions suggested that the presence of Ca2+ was thermodynamically beneficial to the formation of OBDD/Fs. This promotion effect can be attributed to the transfer of electron density leading to a change in the Mayer bond order (MBO) among elements when Ca2+ was bound. Intriguingly, in the transition state structures of the Ca2+-bound and Ca2+-free systems, the MBO difference among the old and new bonds can reveal the difficulty of Ca2+-mediated OBDD/F formation reactions from BDE-209.
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Affiliation(s)
- Jinzhong Yang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China; College of Water Sciences, Beijing Normal University, Beijing 100875, PR China.
| | - Yufei Yang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China.
| | - Zhen Xie
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China.
| | - Haibin Yu
- China National Environmental Monitoring Centre, Beijing 100012, PR China.
| | - Qifei Huang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China.
| | - Ya Xu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China.
| | - Jie He
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China.
| | - Tao Wen
- MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, PR China.
| | - Qingqing Liu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China.
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36
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Valorization of Pichia spent medium via one-pot synthesis of biocompatible silver nanoparticles with potent antioxidant, antimicrobial, tyrosinase inhibitory and reusable catalytic activities. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 115:111104. [DOI: 10.1016/j.msec.2020.111104] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 05/11/2020] [Accepted: 05/18/2020] [Indexed: 02/07/2023]
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37
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Robust shape-retaining nanocellulose-based aerogels decorated with silver nanoparticles for fast continuous catalytic discoloration of organic dyes. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116523] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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38
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Farzaneh Saadati, Keramati N, Ghazi MM. Optimization of Photocatalytic Degradation of Tetracycline Using Titania Based on Natural Zeolite by Response Surface Approach. J WATER CHEM TECHNO+ 2020. [DOI: 10.3103/s1063455x20010087] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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39
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Yang J, Yu H, Xie Z, Yang Y, Zheng X, Zhang J, Huang Q, Wen T, Wang J. Pathways and influential factors study on the formation of PBDD/Fs during co-processing BDE-209 in cement kiln simulation system. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 192:110246. [PMID: 32028153 DOI: 10.1016/j.ecoenv.2020.110246] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 01/19/2020] [Accepted: 01/22/2020] [Indexed: 06/10/2023]
Abstract
The thermal processes of cement kilns are sources of polybrominated dibenzofurans and dioxins (PBDD/Fs); however, when co-processing decabromodiphenyl ether (BDE-209) soil in cement kilns, very few reports have investigated the mechanism of PBDD/Fs formation from BDE-209. Therefore, the pathways and factors that influence the formation of PBDD/Fs were investigated using Box-Behnken design (BBD) of the response surface methodology (RSM) at lab-scale. The PBDEs, HBr/Br2 and PBDD/Fs emissions in flue gas from the simulated thermal process were analyzed using gas chromatography/mass spectroscopy (GC/MS), high-resolution gas chromatography/high-resolution mass spectrometry (HRGC/HRMS), and ion chromatography (IC). Density functional theory (DFT) was also used to further discuss the formation of PBDD/Fs. The major products of BDE-209 thermal decomposition in flue gas were 97.1% HBr/Br2 (a.v. 26.6%/70.6%) > 2.7% PBDEs >0.2% PBDD/Fs. Formation of precursors were the main pathways for PBDD/Fs, and those precursors were dominated by higher-brominated PBDEs (heptã deca-BDEs); debromination of BDE-209 was also a crucial pathway for the formation of PBDD/Fs throughout the thermal process. Interestingly, it was easier to form HpBDD/Fs from OBDD/Fs than from PBDEs. The O2 percentage and interaction factors of O2 percentage, temperature, and CaCO3 percentage have the largest influence on PBDD/Fs emissions and formation.
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Affiliation(s)
- Jinzhong Yang
- College of Water Sciences, Beijing Normal University, Beijing, 100875, PR China; State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, PR China.
| | - Haibin Yu
- China National Environmental Monitoring Centre, Beijing, 100012, PR China.
| | - Zhen Xie
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, PR China.
| | - Yufei Yang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, PR China.
| | - Xiaoyan Zheng
- China National Environmental Monitoring Centre, Beijing, 100012, PR China.
| | - Jingxing Zhang
- China National Environmental Monitoring Centre, Beijing, 100012, PR China.
| | - Qifei Huang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, PR China.
| | - Tao Wen
- MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, PR China.
| | - Jianyuan Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, PR China.
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40
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Nikou M, Samadi-Maybodi A. Application of chemometrics into simultaneous monitoring removal efficiency of two food dyes by an amine-functionalized metal–organic framework. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2020. [DOI: 10.1007/s13738-020-01886-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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41
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Mercenaria Shell Powder as a Cost-Effective and Eco-friendly Photocatalyst for the Degradation of Eriochrome Black T Dye. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY, TRANSACTIONS A: SCIENCE 2020. [DOI: 10.1007/s40995-019-00802-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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42
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Hafezi M, Mozaffarian M, Jafarikojour M, Mohseni M, Dabir B. Application of impinging jet atomization in UV/H2O2 reactor operation: Design, evaluation, and optimization. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2019.112198] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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43
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Application of the central composite design to mineralization of olive mill wastewater by the electro/FeII/persulfate oxidation method. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-1986-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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44
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Template free synthesis of calcium-tin (CaSn3) bimetallic micro cubes: Characterization, catalytic activity, adsorption and additive properties. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2019.136917] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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45
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Shear TA, Lin F, Zakharov LN, Johnson DW. “Design of Experiments” as a Method to Optimize Dynamic Disulfide Assemblies: Cages and Functionalizable Macrocycles. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201912169] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Trevor A. Shear
- Department of Chemistry & Biochemistry and Materials Science Institute University of Oregon Eugene OR 97403-1253 USA
| | - Fuding Lin
- Knight Campus for Accelerating Scientific Impact University of Oregon Eugene OR 97403-6231 USA
| | - Lev N. Zakharov
- CAMCOR – Center for Advanced Materials Characterization Oregon University of Oregon Eugene OR 97403-1443 USA
| | - Darren W. Johnson
- Department of Chemistry & Biochemistry and Materials Science Institute University of Oregon Eugene OR 97403-1253 USA
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46
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Shear TA, Lin F, Zakharov LN, Johnson DW. “Design of Experiments” as a Method to Optimize Dynamic Disulfide Assemblies: Cages and Functionalizable Macrocycles. Angew Chem Int Ed Engl 2019; 59:1496-1500. [DOI: 10.1002/anie.201912169] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 11/07/2019] [Indexed: 01/20/2023]
Affiliation(s)
- Trevor A. Shear
- Department of Chemistry & Biochemistry and Materials Science Institute University of Oregon Eugene OR 97403-1253 USA
| | - Fuding Lin
- Knight Campus for Accelerating Scientific Impact University of Oregon Eugene OR 97403-6231 USA
| | - Lev N. Zakharov
- CAMCOR – Center for Advanced Materials Characterization Oregon University of Oregon Eugene OR 97403-1443 USA
| | - Darren W. Johnson
- Department of Chemistry & Biochemistry and Materials Science Institute University of Oregon Eugene OR 97403-1253 USA
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47
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Irandost M, Akbarzadeh R, Pirsaheb M, Asadi A, Mohammadi P, Sillanpää M. Fabrication of highly visible active N, S co-doped TiO2@MoS2 heterojunction with synergistic effect for photocatalytic degradation of diclofenac: Mechanisms, modeling and degradation pathway. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111342] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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48
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Mohsenzadeh M, Mirbagheri SA, Sabbaghi S. Degradation of 1,2-dichloroethane by photocatalysis using immobilized PAni-TiO 2 nano-photocatalyst. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:31328-31343. [PMID: 31471851 DOI: 10.1007/s11356-019-06240-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 08/16/2019] [Indexed: 06/10/2023]
Abstract
1,2-Dichloroethane is one of the most hazardous environmental pollutants in wastewaters. It is mainly used to produce vinyl chloride monomer, the major precursor for PVC production. It is determined to be a probable human carcinogen and has been listed as a priority pollutant by the United States Environmental Protection Agency. Due to high chemical stability and low biodegradability of 1,2-dichloroethane, heterogeneous photocatalysis was used for degradation of this chlorinated hydrocarbon. PAni-TiO2 nanocomposite was synthesized by in situ deposition oxidative polymerization method and immobilized on glass beads by a modified dip coating and heat attachment method. The characteristics of synthesized PAni-TiO2 nanoparticles were confirmed using the results of morphology tests including Fourier-transform infrared spectra, X-ray diffraction patterns, particle size analysis, UV-Visible spectrophotometer, scanning electron microscope, and energy-dispersive X-ray spectroscopy. The performance of photocatalytic degradation of 1,2-dichloroethane using synthesized PAni-TiO2 nanocomposite in a designed and constructed pilot scale packed bed recirculating photocatalytic reactor under xenon light irradiation was investigated. The response surface methodology based on the central composite design was used to evaluate and optimize the effect of 1,2-dichloroethane concentration, residence time, pH, and coating mass as independent variables on the photocatalytic degradation of 1,2-dichloroethane as the response function. Results showed that actual and predicted results were well fitted with R2 of 0.9870, adjusted R2 of 0.9718, and predicted R2 of 0.9422. The optimum conditions for 1,2-dichloroethane photocatalytic degradation were the 1,2-dichloroethane concentration of 250 mg/L, the residence time of 240 min, pH of 5, and coating mass of 0.5 mg/cm2, which resulted in 88.84% photocatalytic degradation. Kinetic of the photocatalytic degradation at optimal condition follows the Langmuir-Hinshelwood first-order reaction with k = 0.0095 min-1 with R2 = 0.9455. Complete photocatalytic degradation of 1,2-DCE was achieved after 360 min.
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Affiliation(s)
- Mahdi Mohsenzadeh
- Department of Environmental Engineering, Faculty of Civil Engineering, K.N. Toosi University of Technology, Tehran, Iran
| | - Seyed Ahmad Mirbagheri
- Department of Environmental Engineering, Faculty of Civil Engineering, K.N. Toosi University of Technology, Tehran, Iran
| | - Samad Sabbaghi
- Nanochemical Engineering Department, Faculty of Advanced Technologies, Shiraz University, Shiraz, Iran.
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49
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50
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Karimi Estahbanati MR, Feilizadeh M, Iliuta MC. An intrinsic kinetic model for liquid‐phase photocatalytic hydrogen production. AIChE J 2019. [DOI: 10.1002/aic.16724] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
| | - Mehrzad Feilizadeh
- School of Chemical and Petroleum Engineering Shiraz University Shiraz Iran
| | - Maria C. Iliuta
- Department of Chemical Engineering Université Laval Québec Québec Canada
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