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Dos Santos DF, Moreira WM, de Araújo TP, Bernardo MMS, de Figueiredo Ligeiro da Fonseca IM, Ostroski IC, de Barros MASD. Competitive adsorption of acetaminophen and caffeine onto activated Tingui biochar: characterization, modeling, and mechanisms. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:53611-53628. [PMID: 38008834 DOI: 10.1007/s11356-023-31024-3] [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: 08/18/2023] [Accepted: 11/07/2023] [Indexed: 11/28/2023]
Abstract
Tingui biochar (TB) activated with potassium hydroxide (TB-KOH) was synthesized in the present study. The adsorption capacity of TB-KOH was evaluated for the removal of acetaminophen and caffeine in monocomponent and bicomponent solutions. As a result, the study of the TB-KOH characterization as well as the adsorption kinetics, isotherm, thermodynamics, and a suggestion of the global adsorption mechanism are presented. TB-KOH was characterized through physical-chemical analysis to understand its surface morphology and how it contributes to the adsorption of these drugs. Furthermore, modelling using advanced statistical physical models was performed to describe how acetaminophen and caffeine molecules are adsorbed in the active sites of TB-KOH. Through the characterizations, it was observed that the activation with KOH contributed to the development of porosity and functional groups (-OH, C-O, and C = O) on the surface of TB. The monocomponent adsorption equilibrium was reached in 90 min with a maximum adsorption capacity of 424.7 and 350.8 mg g-1 for acetaminophen and caffeine, respectively. For the bicomponent solution adsorption, the maximum adsorption capacity was 199.4 and 297.5 mg g-1 for acetaminophen and caffeine, respectively. The isotherm data was best fitted to the Sips model, and the thermodynamic study indicated that acetaminophen removal was endothermic, while caffeine removal was exothermic. The mechanism of adsorption of acetaminophen and caffeine by TB-KOH was described by the involvement of hydrogen bonds and π-π interactions between the surface of TB-KOH and the molecules of the contaminants.
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Affiliation(s)
| | | | - Thiago Peixoto de Araújo
- Department of Chemical Engineering, Federal Technological University of Paraná, Ponta Grossa, Paraná, 84017-220, Brazil
| | - Maria Manuel Serrano Bernardo
- LAQV/REQUIMTE, Department of Chemistry, Faculty of Science and Technology, New University of Lisbon, 2829-516, Caparica, Portugal
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Melliti A, Touihri M, Kofroňová J, Hannachi C, Sellaoui L, Bonilla-Petriciolet A, Vurm R. Sustainable removal of caffeine and acetaminophen from water using biomass waste-derived activated carbon: Synthesis, characterization, and modelling. CHEMOSPHERE 2024; 355:141787. [PMID: 38527633 DOI: 10.1016/j.chemosphere.2024.141787] [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: 12/18/2023] [Revised: 03/06/2024] [Accepted: 03/22/2024] [Indexed: 03/27/2024]
Abstract
The removal of caffeine (CFN) and acetaminophen (ACT) from water using low-cost activated carbons prepared from artichoke leaves (AAC) and pomegranate peels (PAC) was reported in this paper. These activated carbons were characterized using various analytical techniques. The results showed that AAC and PAC had surface areas of 1203 and 1095 m2 g-1, respectively. The prepared adsorbents were tested for the adsorption of these pharmaceuticals in single and binary solutions. These experiments were performed under different operating conditions to evaluate the adsorption properties of these adsorbents to remove CFN and ACT. AAC and PAC showed maximum adsorption capacities of 290.86 and 258.98 mg g-1 for CFN removal, 281.18 and 154.99 mg g-1 for the ACT removal over a wide pH range. The experimental equilibrium adsorption data fitted to the Langmuir model and the kinetic data were correlated with the pseudo-second order model. AAC showed the best adsorption capacities for the removal of these pharmaceuticals in single systems and, consequently, it was tested for the simultaneous removal of these pollutants in binary solutions. The simultaneous adsorption of these compounds on AAC was improved using the central composite design and response surface methodology. The results indicated an antagonistic effect of CFN on the ACT adsorption. AAC regeneration was also analyzed and discussed. A statistical physics model was applied to describe the adsorption orientation of the tested pollutants on both activated carbon samples. It was concluded that AAC is a promising adsorbent for the removal of emerging pollutants due to its low cost and reusability properties.
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Affiliation(s)
- Abir Melliti
- Faculty of Environmental Technology, Department of Environmental Chemistry, UCT Prague, Technická 5, 166 28, Prague, Czech Republic.
| | - Manel Touihri
- Research Laboratory of Desalination and Water Treatment, University of Tunis El Manar, Tunisia.
| | - Jana Kofroňová
- Faculty of Environmental Technology, Department of Environmental Chemistry, UCT Prague, Technická 5, 166 28, Prague, Czech Republic.
| | - Chiraz Hannachi
- Research Laboratory of Desalination and Water Treatment, University of Tunis El Manar, Tunisia.
| | - Lotfi Sellaoui
- CRMN, Centre for Research on Microelectronics and Nanotechnology of Sousse, NANOMISENE, LR16CRMN01, Code Postal, 4054, Sousse, Tunisia; Laboratory of Quantum and Statistical Physics, LR18ES18, Monastir University, Faculty of Sciences of Monastir, Tunisia.
| | | | - Radek Vurm
- Faculty of Environmental Technology, Department of Environmental Chemistry, UCT Prague, Technická 5, 166 28, Prague, Czech Republic.
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Diniz V, Bear JC, Rath S, Crick CR. Porous sulfur polymers for effective aqueous-phase organic contaminant removal. Sci Rep 2024; 14:8144. [PMID: 38584187 PMCID: PMC10999450 DOI: 10.1038/s41598-024-57856-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 03/22/2024] [Indexed: 04/09/2024] Open
Abstract
Sulfur polymers produced through 'inverse vulcanization' exhibit various attributes, such as photocatalytic activity and a high capacity to adsorb heavy metals. Nevertheless, there is a lack of research investigating the use of sulfur polymers as materials for the removal of organic contaminants. In this work, porous sulfur polymers (PSPs) were synthesized from elemental sulfur and 1,3-diisopropenylbenzene, with porosity introduced via salt templating. The result is a material that can strongly adsorb and chemically neutralize a model organic contaminant (caffeine). PSPs show adsorption up to 5 times higher than a leading adsorption material (activated carbon). Furthermore, either the adsorption or degradation processes can govern the removal efficiency depending on the synthesis parameters of PSPs. This is the first-ever report demonstrating sulfur polymers as effective materials for removing emerging contaminants from water. The versatile synthesis of sulfur polymers offers variation, which means that there is much more to explore in this exciting research area.
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Affiliation(s)
- Vinicius Diniz
- School of Engineering and Materials Sciences, Queen Mary University of London, London, E1 4NS, UK
- Institute of Chemistry, University of Campinas, Campinas, 13083-970, Brazil
| | - Joseph C Bear
- School of Life Sciences, Pharmacy and Chemistry, Kingston University, Penrhyn Road, Kingston-Upon-Thames, KT1 2EE, UK
| | - Susanne Rath
- Institute of Chemistry, University of Campinas, Campinas, 13083-970, Brazil
| | - Colin R Crick
- School of Engineering and Materials Sciences, Queen Mary University of London, London, E1 4NS, UK.
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Pereira L, Castillo V, Calero M, González-Egido S, Martín-Lara MÁ, Solís RR. Promoting the circular economy: Valorization of a residue from industrial char to activated carbon with potential environmental applications as adsorbents. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 356:120753. [PMID: 38531130 DOI: 10.1016/j.jenvman.2024.120753] [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: 10/20/2023] [Revised: 03/06/2024] [Accepted: 03/20/2024] [Indexed: 03/28/2024]
Abstract
Pyrolysis of residues enriched with carbon, such as in agroforestry or industrial activities, has been postulated as an emerging technology to promote the production of biofuels, contributing to the circular economy and minimizing waste. However, during the pyrolysis processes a solid fraction residue is generated. This work aims to study the viability of these chars to develop porous carbonaceous materials that can be used for environmental applications. Diverse chars discharged by an industrial pyrolysis factory have been activated with KOH. Concretely, the char residues came from the pyrolysis of olive stone, pine, and acacia splinters, spent residues fuel, and cellulose artificial casings. The changes in the textural, structural, and composition characteristics after the activation process were studied by N2 adsorption-desorption isotherms, scanning electron microscopy, FTIR, elemental analysis, and XPS. A great porosity was developed, SBET within 776-1186 m2 g-1 and pore volume of 0.37-0.59 cm3 g-1 with 70-90% of micropores contribution. The activated chars were used for the adsorption of CO2, leading to CO2 maximum uptakes of 90-130 mg g-1. There was a good correlation between the CO2 uptake with microporosity and oxygenated surface groups of the activated chars. Moreover, their ability to adsorption of contaminants in aqueous solution was also evaluated. Concretely, there was studied the adsorption of aqueous heavy metals, i.e., Cd, Cu, Ni, Pb, and Zn, and organic pollutants of emerging concern such as caffeine, diclofenac, and acetaminophen.
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Affiliation(s)
- Ledicia Pereira
- Department of Chemical Engineering, University of Granada, Avda. Fuentenueva s/n, 18071, Granada, Spain
| | - Ventura Castillo
- Department of Chemical Engineering, University of Granada, Avda. Fuentenueva s/n, 18071, Granada, Spain
| | - Mónica Calero
- Department of Chemical Engineering, University of Granada, Avda. Fuentenueva s/n, 18071, Granada, Spain
| | - Sergio González-Egido
- Environment and Bioproducts Group, Department of Life Sciences, University of Alcalá, Alcalá de Henares, 28871, Madrid, Spain
| | - M Ángeles Martín-Lara
- Department of Chemical Engineering, University of Granada, Avda. Fuentenueva s/n, 18071, Granada, Spain.
| | - Rafael R Solís
- Department of Chemical Engineering, University of Granada, Avda. Fuentenueva s/n, 18071, Granada, Spain.
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Lekene RBN, Ntep TMM, Fetzer MNA, Strothmann T, Nsami JN, Janiak C. The efficient removal of ibuprofen, caffeine, and bisphenol A using engineered egusi seed shells biochar: adsorption kinetics, equilibrium, thermodynamics, and mechanism. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:100095-100113. [PMID: 37624498 DOI: 10.1007/s11356-023-29377-w] [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: 05/24/2023] [Accepted: 08/13/2023] [Indexed: 08/26/2023]
Abstract
Contaminants of emerging concern (CECs), also known as micropollutants, have been recognized in recent years as substantial water pollutants because of the potential threats they pose to the environment and human health. This study was aimed at preparing biochar (BC) based on egusi seed shells (ESS) with well-developed porosity and excellent adsorption capacity towards CECs including ibuprofen (IBP), caffeine (CAF), and bisphenol A (BPA). BC samples were prepared by pyrolysis at different temperatures (400 to 800 °C) and were characterized using nitrogen sorption, FTIR, powder X-ray diffraction (PXRD), SEM/EDS, elemental analysis, and thermal analysis. The nitrogen sorption and SEM results showed that the textural properties were more prominent as the pyrolysis temperature increased. The BC sample obtained at 800 °C which exhibited the largest specific surface area (688 m2/g) and the highest pore volume (0.320 cm3/g) was selected for the adsorption study of CECs. The kinetic study shows that the adsorption equilibrium of CAF and BPA was faster than that of IBP. The pseudo-first- and pseudo-second-order kinetic models best fitted the adsorption data. The Langmuir maximum monolayer adsorption capacities of biochar were found to be ~ 180, 121, and 73 mg/g respectively for IBP, CAF, and BPA. The thermodynamic study shows that the adsorption process was spontaneous and endothermic for the three CECs. The results of the adsorption and the analysis of BC after adsorption showed that hydrogen bonding, van der Waals, π-π, n-π interactions, and pore filling were involved in the adsorption mechanism. The prepared biochar BC from ESS displayed a large surface area and good morphology and significantly promotes adsorption of CECs and good efficiency on synthetic effluent. Finally, it offers a low-cost and cleaner production method.
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Affiliation(s)
- René Blaise Ngouateu Lekene
- Applied Physical and Analytical Chemistry Laboratory, Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität, Düsseldorf, 40204, Germany.
| | - Tobie Matemb Ma Ntep
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität, Düsseldorf, 40204, Germany
| | - Marcus N A Fetzer
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität, Düsseldorf, 40204, Germany
| | - Till Strothmann
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität, Düsseldorf, 40204, Germany
| | - Julius Ndi Nsami
- Applied Physical and Analytical Chemistry Laboratory, Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität, Düsseldorf, 40204, Germany
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Wang B, Lan J, Bo C, Gong B, Ou J. Adsorption of heavy metal onto biomass-derived activated carbon: review. RSC Adv 2023; 13:4275-4302. [PMID: 36760304 PMCID: PMC9891085 DOI: 10.1039/d2ra07911a] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 01/24/2023] [Indexed: 02/01/2023] Open
Abstract
Due to the rapid development of the social economy and the massive increase in population, human beings continue to undertake processing, and commercial manufacturing activities of heavy metals, which has caused serious damage to the environment and human health. Heavy metals lead to serious environmental problems such as soil contamination and water pollution. Human health and the living environment are closely affected by the handling of heavy metals. Researchers must find several simple, economical and practical methods to adsorb heavy metals. Adsorption technology has been recognized as an efficient and economic strategy, exhibiting the advantages of recovering and reusing adsorbents. Biomass-derived activated carbon adsorbents offer large adjustable specific surface area, hierarchically porous structure, strong adsorption capacity, and excellent high economic applicability. This paper focuses on reviewing the preparation methods of biomass-derived activated carbon in the past five years. The application of representative biomass-derived activated carbon in the adsorption of heavy metals preferentially was described to optimize the critical parameters of the activation type of samples and process conditions. The key factors of the adsorbent, the physicochemical properties of the heavy metals, and the adsorption conditions affecting the adsorption of heavy metals are highlighted. In addition, the challenges faced by biomass-derived activated carbon are also discussed.
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Affiliation(s)
- Baoying Wang
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University Yinchuan 750021 PR China
| | - Jingming Lan
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University Yinchuan 750021 PR China
| | - Chunmiao Bo
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University Yinchuan 750021 PR China
| | - Bolin Gong
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University Yinchuan 750021 PR China
| | - Junjie Ou
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University Yinchuan 750021 PR China
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences Dalian 116023 China
- University of Chinese Academy of Sciences Beijing 100049 China
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Bąk J, Thomas P, Kołodyńska D. Chitosan-Modified Biochars to Advance Research on Heavy Metal Ion Removal: Roles, Mechanism and Perspectives. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6108. [PMID: 36079488 PMCID: PMC9457549 DOI: 10.3390/ma15176108] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 08/24/2022] [Accepted: 08/29/2022] [Indexed: 06/15/2023]
Abstract
The chitosan-modified biochars BC-CS 1-1, BC-CS 2-1 and BC-CS 4-1 were subjected to the synthetic application of biochar from agriculture waste and chitosan for the adsorption of Cu(II), Cd(II), Zn(II), Co(II) and Pb(II) ions from aqueous media. The results displayed a heterogeneous, well-developed surface. Additionally, the surface functional groups carboxyl, hydroxyl and phenol, determining the sorption mechanism and confirming the thermal stability of the materials, were present. The sorption evaluation was carried out as a function of the sorbent dose, pH, phase contact time, initial concentration of the solution and temperature. The maximum value of qt for Pb(II)-BC-CS 4-1, 32.23 mg/g (C0 200 mg/L, mass 0.1 g, pH 5, 360 min), was identified. Nitric acid was applied for the sorbent regeneration with a yield of 99.13% for Pb(II)-BC-CS 2-1. The produced sorbents can be used for the decontamination of water by means of the cost-effective and high-performance method.
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Affiliation(s)
- Justyna Bąk
- Department of Inorganic Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, Maria Curie-Skłodowska Sq. 2, 20-031 Lublin, Poland
| | - Peter Thomas
- Earthcare, LLC, 8524 Southport Drive, Evansville, IN 47711, USA
| | - Dorota Kołodyńska
- Department of Inorganic Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, Maria Curie-Skłodowska Sq. 2, 20-031 Lublin, Poland
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Removal of Emerging Contaminants as Diclofenac and Caffeine Using Activated Carbon Obtained from Argan Fruit Shells. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12062922] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Activated carbons from argan nutshells were prepared by chemical activation using phosphoric acid H3PO4. This material was characterized by thermogravimetric analysis, infrared spectrometry, and the Brunauer–Emmett–Teller method. The adsorption of two emerging compounds, a stimulant caffeine and an anti-inflammatory drug diclofenac, from distilled water through batch and dynamic tests was investigated. Batch mode experiments were conducted to assess the capacity of adsorption of caffeine and diclofenac from an aqueous solution using the carbon above. Adsorption tests showed that the equilibrium time is 60 and 90 min for diclofenac and caffeine, respectively. The adsorption of diclofenac and caffeine on activated carbon from argan nutshells is described by a pseudo-second-order kinetic model. The highest adsorption capacity determined by the mathematical model of Langmuir is about 126 mg/g for diclofenac and 210 mg/g for caffeine. The thermodynamic parameters attached to the studied absorbent/adsorbate system indicate that the adsorption process is spontaneous and exothermic for diclofenac and endothermic for caffeine.
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