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Chu KH, Hashim MA. Comparing different versions of the Yoon-Nelson model in describing organic micropollutant adsorption within fixed bed adsorbers. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:21136-21143. [PMID: 38386161 DOI: 10.1007/s11356-024-32450-7] [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: 09/26/2023] [Accepted: 02/08/2024] [Indexed: 02/23/2024]
Abstract
The Yoon-Nelson model serves as a widely used tool for describing the breakthrough behavior of organic micropollutants within fixed bed adsorbers. This study aims to augment its modeling efficacy through two proposed refinements found in the literature: a logarithmic transformation and the incorporation of steric hindrance effects. We systematically evaluated the original Yoon-Nelson model alongside the modified versions, using breakthrough data associated with micropollutant adsorption on solid materials. Three distinct cases were scrutinized: (1) caffeine adsorption on activated carbon; (2) tetracycline adsorption on hierarchical porous carbon; and (3) diclofenac adsorption on organoclay. While all three models demonstrated comparable performance with highly symmetric breakthrough data in case 1, their efficacy diverged significantly when confronted with strongly asymmetric breakthrough data in cases 2 and 3. The original Yoon-Nelson model and the logarithmically modified version fell short in accurately representing these intricate breakthrough curves. In contrast, the version incorporating steric hindrance effects showcased substantial accuracy, outperforming other models in capturing the complexities of asymmetric breakthrough data. This advancement markedly enhances the modeling accuracy and versatility of the Yoon-Nelson model, particularly in assessing the dynamic behavior of organic micropollutants within fixed bed adsorbers.
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Affiliation(s)
- Khim Hoong Chu
- Department of Chemical Engineering, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia.
| | - Mohd Ali Hashim
- Department of Chemical Engineering, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia
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2
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Hasham Firooz M, Naderi A, Moradi M, Kalantary RR. Enhanced tetracycline degradation with TiO 2/natural pyrite S-scheme photocatalyst. Sci Rep 2024; 14:4954. [PMID: 38418921 PMCID: PMC10902398 DOI: 10.1038/s41598-024-54549-0] [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: 12/09/2023] [Accepted: 02/14/2024] [Indexed: 03/02/2024] Open
Abstract
In this study, TiO2 nanoparticles were employed as a photocatalyst for the degradation of tetracycline (TC) under visible light irradiation. The TiO2 nanoparticles were decorated on natural pyrite (TiO2/NP) and characterized using XRD, FTIR, and SEM-EDX methods. This study evaluated the impacts of various operational parameters such as pH, catalyst dosage, initial TC concentration, and light intensity on TC removal. The findings revealed that under optimal conditions (pH 7, catalyst: 2 g/L, TC: 30 mg/L, and light intensity: 60 mW/cm2), 100% of TC and 84% of TOC were removed within 180 min. The kinetics of TC elimination followed a first-order model. The dominant oxidation species involved in the photocatalytic elimination of TC was found to be ·OH radicals in the TiO2/NP system. The reuse experiments showed the high capability of the catalyst after four consecutive cycles. This study confirmed that the TiO2/NP system has high performance in photocatalytic TC removal under optimized experimental conditions.
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Affiliation(s)
- Masoumeh Hasham Firooz
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Azra Naderi
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
- Research Center for Environmental Health Technology (RCEHT), Iran University of Medical Sciences, Tehran, Iran
| | - Masoud Moradi
- Research Center for Environmental Determinants of Health (RCEDH), Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Roshanak Rezaei Kalantary
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.
- Research Center for Environmental Health Technology (RCEHT), Iran University of Medical Sciences, Tehran, Iran.
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Wang S, Wu L, Wang L, Zhou J, Ma H, Chen D. Hydrothermal Pretreatment of KOH for the Preparation of PAC and Its Adsorption on TC. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4966. [PMID: 37512241 PMCID: PMC10381690 DOI: 10.3390/ma16144966] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/05/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023]
Abstract
The environment has been heavily contaminated with tetracycline (TC) due to its excessive use; however, activated carbon possessing well-developed pores can effectively adsorb TC. This study synthesized pinecone-derived activated carbon (PAC) with high specific surface area (1744.659 cm2/g, 1688.427 cm2/g) and high adsorption properties (840.62 mg/g, 827.33 mg/g) via hydrothermal pretreatment methods utilizing pinecones as precursors. The results showed that PAC treated with 6% KOH solution had excellent adsorption properties. It is found that the adsorption process accords with the PSO model, and a large amount of C=C in PAC provides the carrier for π-πEDA interaction. The results of characterization and the isothermal model show that TC plays a key role in the adsorption process of PAC. It is concluded that the adsorption process of TC on PAC prepared by hydrothermal pretreatment is mainly pore filling and π-πEDA interaction, which makes it a promising adsorbent for TC adsorption.
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Affiliation(s)
- Shouqi Wang
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Linkai Wu
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Liangcai Wang
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Jianbin Zhou
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
- Joint International Research Laboratory of Biomass Energy and Materials, Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Huanhuan Ma
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Dengyu Chen
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
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Ma R, Xue Y, Ma Q, Chen Y, Yuan S, Fan J. Recent Advances in Carbon-Based Materials for Adsorptive and Photocatalytic Antibiotic Removal. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12224045. [PMID: 36432330 PMCID: PMC9694191 DOI: 10.3390/nano12224045] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/15/2022] [Accepted: 11/16/2022] [Indexed: 05/14/2023]
Abstract
Antibiotics have been a primary environmental concern due to their widespread dispersion, harmful bioaccumulation, and resistance to mineralization. Unfortunately, typical processes in wastewater treatment plants are insufficient for complete antibiotic removal, and their derivatives in effluent can pose a threat to human health and aquatic communities. Adsorption and photocatalysis are proven to be the most commonly used and promising tertiary treatment methods. Carbon-based materials, especially those based on graphene, carbon nanotube, biochar, and hierarchical porous carbon, have attracted much attention in antibiotic removal as green adsorbents and photocatalysts because of their availability, unique pore structures, and superior physicochemical properties. This review provides an overview of the characteristics of the four most commonly used carbonaceous materials and their applications in antibiotic removal via adsorption and photodegradation, and the preparation of carbonaceous materials and remediation properties regarding target contaminants are clarified. Meanwhile, the fundamental adsorption and photodegradation mechanisms and influencing factors are summarized. Finally, existing problems and future research needs are put forward. This work is expected to inspire subsequent research in carbon-based adsorbent and photocatalyst design, particularly for antibiotics removal.
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Removal of perfluorinated compounds at environmentally relevant concentrations on non-equivalent dual sites regulated by single-atom-strengthened biochar. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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6
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Hierarchical covalent organic frameworks-modified diatomite for efficient separation of bisphenol A from water in a convenient column mode. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121611] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Prasannamedha G, Kumar PS, Shivaani S, Kokila M. Sodium alginate/magnetic hydrogel microspheres from sugarcane bagasse for removal of sulfamethoxazole from sewage water: Batch and column modeling. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 307:119523. [PMID: 35643290 DOI: 10.1016/j.envpol.2022.119523] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/30/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
Magnetic carbon were synthesized from sugarcane bagasse using hydrothermal carbonization followed by thermal activation was converted to solid state as beads (hydrogels SACFe) using sodium alginate and applied as adsorbent in removal sulfamethoxazole in batch and column mode. From adsorption parameter analysis it was confirmed that 0.6 g L-1 SACFe was effective in removing 50 mg L-1 of SMX at pH 6.2. Sorption of SMX on SACFe beads followed Elovich kinetics and Freundlich isotherm. It was further confirmed that sorption occurred on heterogeneous surface of SACFe beads with chemisorption as rate limiting step. Maximum adsorption capacity was obtained as 58.439 mg g-1 pH studies revealed that charged assisted hydrogen bonding, EDA interactions are some of the mechanism that favoured removal of SMX. From column studies it was found that bead height of 2 cm and flow rate of 1.5 mL min-1 found to be best in removing pollutant. Thomas model fitted better the experimental data stating that improved interaction between adsorbent and adsorbate act as major driving force tool in obtaining maximum sorption capacity. Breakthrough curve was completely affected by varied flow rate and bed height. Column adsorption was effective in reducing COD and BOD levels of sewage which are affected by toxic pollutants and miscellaneous compounds. Feasibility analysis showed that SACFe beads could be employed for real-time applications as it is cost, energy effective and easy recovery.
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Affiliation(s)
- G Prasannamedha
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, Chennai, 603110, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, Chennai, 603110, India.
| | - S Shivaani
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, Chennai, 603110, India
| | - M Kokila
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, Chennai, 603110, India
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Zhu B, Jiang G, Kong C, Sun J, Liu F, Wang Y, Zhao C, Liu C. Photocatalytic degradation of organic pollutants in water by N-doping ZnS with Zn vacancy: enhancement mechanism of visible light response and electron flow promotion. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:58716-58729. [PMID: 35366728 DOI: 10.1007/s11356-022-19852-1] [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: 08/04/2021] [Accepted: 03/18/2022] [Indexed: 06/14/2023]
Abstract
In order to improve the visible light response, N-doping ZnS (N-ZnS) nanospheres with Zn vacancy and porous surface were prepared by a simple one-pot hydrothermal method. Characterizations and density functional theory simulations showed excellent visible light response of N-ZnS. N-doping introduced impurity energy levels, which led to orbital hybridization and changed the original dipole moment. The presence of ortho Zn vacancy (O-Znv) can effectively reduce e--h+ recombination and photocorrosion. Furthermore, O-Znv caused lattice distortion (twisted the -S-Zn-N-(O-Znv)-S-Zn-S- chemical bond chain), resulting in "vacancy effect" to accelerate e- flow. Under visible light, the photocatalytic degradation efficiency of tetracycline (TC) and 2,4-dichlorophenol (2,4-DCP) was 90.31% and 60.84%, respectively. TOC degradation efficiency was 31.4% and 25.6%, respectively. Combined with Fukui index and LC-MS methods, it was found that TC and 2,4-DCP were degraded under the constant attack of active substances such as ·OH. This work can provide a reference for the application of catalytic materials in the field of visible light photocatalysis.
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Affiliation(s)
- Benjie Zhu
- College of Chemical Engineering, China University of Petroleum, Qingdao, 266580, China
| | - Guofei Jiang
- College of Chemical Engineering, China University of Petroleum, Qingdao, 266580, China
| | - Can Kong
- College of Chemical Engineering, China University of Petroleum, Qingdao, 266580, China
| | - Junzhi Sun
- College of Chemical Engineering, China University of Petroleum, Qingdao, 266580, China
| | - Fang Liu
- College of Chemical Engineering, China University of Petroleum, Qingdao, 266580, China.
- State Key Laboratory of Pollution Control and Treatment in Petroleum and Petrochemical Industry, State Key Laboratory of Heavy Oil Processing, Beijing, China.
| | - Yongqiang Wang
- College of Chemical Engineering, China University of Petroleum, Qingdao, 266580, China
- State Key Laboratory of Pollution Control and Treatment in Petroleum and Petrochemical Industry, State Key Laboratory of Heavy Oil Processing, Beijing, China
| | - Chaocheng Zhao
- College of Chemical Engineering, China University of Petroleum, Qingdao, 266580, China
- State Key Laboratory of Pollution Control and Treatment in Petroleum and Petrochemical Industry, State Key Laboratory of Heavy Oil Processing, Beijing, China
| | - Chunshuang Liu
- College of Chemical Engineering, China University of Petroleum, Qingdao, 266580, China
- State Key Laboratory of Pollution Control and Treatment in Petroleum and Petrochemical Industry, State Key Laboratory of Heavy Oil Processing, Beijing, China
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Pan J, Bai X, Li Y, Yang B, Yang P, Yu F, Ma J. HKUST-1 derived carbon adsorbents for tetracycline removal with excellent adsorption performance. ENVIRONMENTAL RESEARCH 2022; 205:112425. [PMID: 34843724 DOI: 10.1016/j.envres.2021.112425] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 11/17/2021] [Accepted: 11/19/2021] [Indexed: 06/13/2023]
Abstract
As the abuse of antibiotics has led to increasingly serious environmental pollution problems, studies have found that the adsorption method can be used to efficiently and quickly remove residual antibiotics in water with low cost and high efficiency. Metal-organic frameworks and their derived porous carbons have received widespread attention as a new type of adsorption material. In this study, HKUST-1 was synthesized by a hydrothermal method and carbonized to HDC-350 at 350 °C under an oxygen-free atmosphere. Through adsorption experiments, HDC-350 is found to show a superior adsorption effect for tetracycline (TC), with an adsorption capacity that reaches 136.88 mg g-1. The TC adsorption mechanism was studied through characterization and analysis of HDC-350. The adsorption of TC by HDC-350 mainly relies on electrostatic attraction, hydrogen bonding, metal-organic complexation, and intermolecular interactions. This study shows that HKUST-1-derived porous carbon can be used to improve the water stability of HKUST-1, and, at the same time, can effectively adsorb TC in solution, which provides good conditions for practical research applications in the future.
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Affiliation(s)
- Junyao Pan
- College of Marine Ecology and Environment, Shanghai Ocean University, No 999, Huchenghuan Road, Shanghai, 201306, PR China
| | - Xueting Bai
- College of Marine Ecology and Environment, Shanghai Ocean University, No 999, Huchenghuan Road, Shanghai, 201306, PR China
| | - Yiyao Li
- College of Marine Ecology and Environment, Shanghai Ocean University, No 999, Huchenghuan Road, Shanghai, 201306, PR China
| | - Binhao Yang
- College of Marine Ecology and Environment, Shanghai Ocean University, No 999, Huchenghuan Road, Shanghai, 201306, PR China
| | - Peiyu Yang
- College of Marine Ecology and Environment, Shanghai Ocean University, No 999, Huchenghuan Road, Shanghai, 201306, PR China
| | - Fei Yu
- College of Marine Ecology and Environment, Shanghai Ocean University, No 999, Huchenghuan Road, Shanghai, 201306, PR China.
| | - Jie Ma
- Research Center for Environmental Functional Materials, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, 1239 Siping Road, Shanghai, 200092, PR China
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10
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Wang X, Qiao G, Zhu G, Li J, Guo X, Liang Y, Niu Y. Preparation of 2D supramolecular material doping with TiO 2 for degradation of tetracycline. ENVIRONMENTAL RESEARCH 2021; 202:111689. [PMID: 34273364 DOI: 10.1016/j.envres.2021.111689] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 07/04/2021] [Accepted: 07/11/2021] [Indexed: 06/13/2023]
Abstract
Anatase TiO2 photocatalyst supported on [BMPP]2[2D-Mo18O56] (BMPP = 1, 3-bis(4-methylpyridine) propane dibromide) was successfully prepared by hydrothermal method. The composites were characterized by field emission scanning electron microscopy (SEM), X-ray diffractometer (XRD), infrared spectroscopy (IR) and energy-dispersive X-ray spectrometer (EDS). The results show that the high content anatase nanoparticles are uniformly loaded on the polyacid supramolecules to form the composite material. The photocatalytic activity of TiO2/Mo9O28-BMPP towards the tetracyclines (TCs), a model pollutant, has been investigated. The results show that under a 500W high-pressure xenon lamp, 0.15 g TiO2/MoB can degrade 97% of 20 mL (25 mg/L) Tc after 115 min, showing high catalytic activity. In addition, 0.15-TiO2/MoB can be easily separated from the reaction system by centrifugation, and the catalyst still maintains high photocatalytic activity after 3 cycles of tests under the same conditions. This shows that it has the potential for recycling. This research provides a new way for the development of new supported catalysts.
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Affiliation(s)
- Xiaojia Wang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, 450001, PR China
| | - Guiying Qiao
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, 450001, PR China
| | - Gaihong Zhu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, 450001, PR China
| | - Jian Li
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, 450001, PR China; College of Ecology and Environment, Zhengzhou University, Henan, 450001, PR China
| | - Xiaoyu Guo
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, 450001, PR China
| | - Yu Liang
- School of Chemistry & Materials Engineering, Xinxiang University, Xinxiang, 453000, PR China.
| | - Yunyin Niu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, 450001, PR China.
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Zheng Z, Zhao B, Guo Y, Guo Y, Pak T, Li G. Preparation of mesoporous batatas biochar via soft-template method for high efficiency removal of tetracycline. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 787:147397. [PMID: 33989868 DOI: 10.1016/j.scitotenv.2021.147397] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 04/12/2021] [Accepted: 04/23/2021] [Indexed: 06/12/2023]
Abstract
In this contribution, we apply a soft-template-assisted hydrothermal route using polyethylene-polypropylene glycol (F127) as soft-template agent and biomass batatas as carbon precursor to synthesis a novel hydrothermal mesoporous biochar (HMC-800) for adsorptive removal of tetracycline (TC) from wastewater. We use the biochar prepared without F127 and direct pyrolytic biochar for comparison. The physicochemical properties of all the studied biochar samples are measured using a suite of characterization techniques. Our results show that the HMC-800 displays the highest specific surface area (286.3 m2/g) and total pore volume (0.249 cm3/g), manifesting the introduction of F127 can result in formation of well-developed pore structures. Regarding adsorption properties, the HMC-800 outperforms other biochar samples for TC removal. Our finding shows that solution with near-neutral pH is favorable for TC removal, and the highest adsorption capacity is observed at initial solution pH value 7. In addition, our findings show that applying the pseudo-second-order kinetic and Freundlich isotherm equation closely models the recorded adsorption behavior. The maximum adsorption capacity is measured to be as much as 238.7 mg/g by Langmuir isotherm model. Pore filling, hydrogen-bonding and n-π interaction are suggested to be the prevailing adsorption mechanisms compared to the other mechanisms. Furthermore, the HMC-800 performs better in regeneration and reuse experiments, making it a promising adsorbent material for TC removal from wastewater.
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Affiliation(s)
- Zhihong Zheng
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China; Henan Vocational College of Water Conservancy and Environment, Zhengzhou 450008, China
| | - Baolong Zhao
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China; Henan Key Laboratory of Water Environment Simulation and Treatment, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
| | - Yiping Guo
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China; Henan Key Laboratory of Water Environment Simulation and Treatment, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
| | - Yujie Guo
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China; Henan Key Laboratory of Water Environment Simulation and Treatment, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
| | - Tannaz Pak
- School of Computing, Engineering & Digital Technologies, Teesside University, Borough Road, Middlesbrough TS1 3BX, UK
| | - Guoting Li
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China; Henan Key Laboratory of Water Environment Simulation and Treatment, North China University of Water Resources and Electric Power, Zhengzhou 450046, China.
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12
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Xu L, Zhang M, Wang Y, Wei F. Highly effective adsorption of antibiotics from water by hierarchically porous carbon: Effect of nanoporous geometry. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 274:116591. [PMID: 33545524 DOI: 10.1016/j.envpol.2021.116591] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 01/17/2021] [Accepted: 01/21/2021] [Indexed: 06/12/2023]
Abstract
Pharmaceutical antibiotics have recently become emerging environmental contaminants. To enhance the removal efficiency of antibiotics in water, hierarchically porous carbons (HPCs) with designed porous patterns are used in both batch and column mode adsorption processes in this study, and the role of their nanoporous geometry in the adsorption dynamics are explored. THPC (HPC with trimodal pores) and DHPC (HPC with bimodal pores) exhibit remarkably superior adsorption performances to the selected antibiotics than those of commercial activated carbon (AC) with similar surface area, especially in column mode adsorption. The effective treatment volumes of the HPC-columns remain up to 8-10 times those of the AC-columns for the removal of tetracycline and 4-6 times for the removal of tylosin. The mass transfer rates of the carbon-based columns present the order of THPC > DHPC > AC. As comparison, the columns based on monomodal mesoporous carbon (MEC) and microporous carbon (MAC) exhibit low effective treatment volumes although their high mass transfer speed. The interconnected meso/macropores in HPCs benefit the intraparticle mass transfer of guest molecules and the accessibility of adsorption sites. The micropores linking to the meso/macropores not only provide adsorption sites but also facilitate adsorption affinity.
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Affiliation(s)
- Liheng Xu
- Department of Environmental Engineering, China Jiliang University, Hangzhou, 310018, China.
| | - Mengxue Zhang
- Department of Environmental Engineering, China Jiliang University, Hangzhou, 310018, China
| | - Yuanyu Wang
- Department of Environmental Engineering, China Jiliang University, Hangzhou, 310018, China
| | - Fang Wei
- Department of Environmental Engineering, China Jiliang University, Hangzhou, 310018, China
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Wang W, Gao M, Cao M, Dan J, Yang H. Self-propagating synthesis of Zn-loaded biochar for tetracycline elimination. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 759:143542. [PMID: 33190887 DOI: 10.1016/j.scitotenv.2020.143542] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 10/22/2020] [Accepted: 11/02/2020] [Indexed: 06/11/2023]
Abstract
Herein, a novel Zn-loaded biochar (Zn-LBC) originating from Fraxinus pennsylvanica Marsh leaves was successfully prepared through a simple and rapid self-propagating combustion reaction (SHS) and could serve as an efficient adsorbent for tetracycline (TC) elimination from water. The adsorption performance was analyzed via a series of characterizations and batch adsorption experiments. The results showed that the novel adsorbent Zn-LBC exhibited an excellent TC adsorption capacity (159.64 mg/g), which was 2.63 times higher than that of the original biochar (60.78 mg/g). The pseudo-second-order kinetic model and Freundlich isothermal model fit the adsorption data well. It is noteworthy that Zn-LBC had little effect on the adsorption capacity of TC in the 0-10 mg/L various coexisting ion range and presence of humic acid (HA). In addition, the adsorption test of TC using hospital wastewater as the water sample also achieved satisfactory results (raw influent: 52.65 mg/g, final effluent: 85.64 mg/g). FT-IR and XPS investigations showed that the TC adsorption mechanism included surface complexation, π-π interactions, and hydrogen bonds. The results provide new ideas for exploring low-cost and highly efficient modified biochar adsorbent for TC elimination.
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Affiliation(s)
- Wei Wang
- School of Chemistry and Chemical Engineering, Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, China
| | - Ming Gao
- School of Chemistry and Chemical Engineering, Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, China
| | - Mengbo Cao
- School of Chemistry and Chemical Engineering, Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, China
| | - Jianming Dan
- School of Chemistry and Chemical Engineering, Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, China.
| | - Hongbing Yang
- School of Chemistry and Chemical Engineering, Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, China.
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Wang J, Liu X, Li C, Yuan M, Zhang B, Zhu J, Ma Y. Fabrication of perylene imide-modified NH2-UiO-66 for enhanced visible-light photocatalytic degradation of tetracycline. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112795] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Anfar Z, Amedlous A, Majdoub M, El Fakir AA, Zbair M, Ait Ahsaine H, Jada A, El Alem N. New amino group functionalized porous carbon for strong chelation ability towards toxic heavy metals. RSC Adv 2020; 10:31087-31100. [PMID: 35520655 PMCID: PMC9056399 DOI: 10.1039/d0ra05220e] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 08/16/2020] [Indexed: 12/22/2022] Open
Abstract
Herein, ethylenediamine functionalized porous carbon (PC-ED/1.5) was synthesized, then characterized by various methods and finally used as a functional material for Cu(ii) and Pb(ii) ion removal from water. XPS revealed the presence of numerous functionalities within the surface of PC including -NH and C-N-C groups. Furthermore, S BET, RS, XRD and FTIR analyses confirmed the changes implemented on the PC surface. Thereafter, a systematic study was implemented to analyze the interactions of the PC-ED/1.5 surface with Cu(ii) and Pb(ii) heavy metal ions. Hence, adsorption experiments showed that the PC-ED/1.5 exhibits maximum adsorption capacities of 123.45 mg g-1 and 140.84 mg g-1 for Cu(ii) and Pb(ii), respectively. Moreover, in situ electrostatic interactions occurring between the divalent cation and the PC-ED/1.5 functional groups was investigated. The mechanism involves chelation processes, electrostatic interactions and mechanical trapping of the metal ions in the adsorbent pores. Interestingly, a synergistic effect of the pores and surface active sites was observed. Finally, by using alginate bio-polymer we prepared membrane films of PC-ED/1.5 which showed long-term stability, regeneration capabilities and high mass recovery.
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Affiliation(s)
- Zakaria Anfar
- Laboratory of Materials & Environment (LME), Ibn Zohr University Agadir 80000 Morocco
- Institute of Materials Science of Mulhouse (IS2M-CNRS), Haute Alsace University (UHA) Mulhouse 68100 France
- Strasbourg University Strasbourg 67081 France
| | - Abdallah Amedlous
- Laboratory of Materials, Catalysis & Valorization of Natural Resources, Hassan II University Casablanca 20650 Morocco
| | - Mohammed Majdoub
- Laboratory of Materials, Catalysis & Valorization of Natural Resources, Hassan II University Casablanca 20650 Morocco
| | - Abdellah Ait El Fakir
- Laboratory of Materials & Environment (LME), Ibn Zohr University Agadir 80000 Morocco
- Institute of Materials Science of Mulhouse (IS2M-CNRS), Haute Alsace University (UHA) Mulhouse 68100 France
| | - Mohamed Zbair
- Laboratory of Catalysis & Materials Corrosion. Chouaib Doukkali University El Jadida 24000 Morocco
| | - Hassan Ait Ahsaine
- Chemical and Biochemical Sciences (CBS), Mohamed VI Polytechnic University Lot 660-Hay Moulay Rachid Benguerir Morocco
- Laboratoire de Chimie Appliquée des Matériaux, Centre des Sciences des Matériaux, Faculty of Sciences, Mohammed V University Rabat Morocco
| | - Amane Jada
- Institute of Materials Science of Mulhouse (IS2M-CNRS), Haute Alsace University (UHA) Mulhouse 68100 France
- Strasbourg University Strasbourg 67081 France
| | - Noureddine El Alem
- Laboratory of Materials & Environment (LME), Ibn Zohr University Agadir 80000 Morocco
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Photocatalytic Degradation of Tetracycline by ZnO/γ-Fe 2O 3 Paramagnetic Nanocomposite Material. NANOMATERIALS 2020; 10:nano10081458. [PMID: 32722422 PMCID: PMC7466472 DOI: 10.3390/nano10081458] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 07/21/2020] [Accepted: 07/24/2020] [Indexed: 12/04/2022]
Abstract
In recent years, the presence of numerous xenobiotic substances, such as antibiotics, has been detected in water environments. They can be considered as environmental contaminants, even if their effect on human health has yet to be totally understood. Several approaches have been studied for the removal of these kinds of pollutants. Among these compounds, tetracycline (TC), a broad-spectrum antibiotic, is one of the most commonly found in water due to its widespread use. In the context of reducing the presence of TC in aqueous solution, in this contribution, a composite catalyst based on zinc oxide (ZnO) and iron oxide (γ-Fe2O3) was developed and its photocatalytic properties were investigated. The catalytic materials were synthesized by a microwave-assisted aqueous solution method and characterized by Field Emission Scanning Electron Microscope (FESEM), X-Ray Fluorescence (XRF) and Brunauer−Emmett−Teller (BET) analysis. The TC concentration was evaluated by spectrophotometer measurements at specific time intervals. The performed photocatalytic experiments clearly demonstrated that the ZnO/γ-Fe2O3 composite catalyst presents significant photocatalytic activity, indeed a TC degradation efficiency of 88.52% was registered after 150 min. The presence of iron oxide in the structure of the catalyst enhances both the surface area and the pore volume, facilitating the adsorption of the analyte on the surface of nanostructures, a fundamental phase to optimize a photodegradation process. Moreover, ZnO was found to play the key role in the photocatalytic process assisted by γ-Fe2O3 which enhanced the TC degradation efficiency by 20%.
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Zhang P, He T, Chen H, Li P, Xiang M, Ding N, Deng S. The tetracyclines removal by MgAl layered double oxide in the presence of phosphate or nitrate: Behaviors and mechanism exploration. J Colloid Interface Sci 2020; 578:124-134. [PMID: 32521352 DOI: 10.1016/j.jcis.2020.04.122] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/26/2020] [Accepted: 04/27/2020] [Indexed: 12/22/2022]
Abstract
Pollution of tetracyclines (TCs) in swine wastewater has been a critical concern worldwide. Notably, multiple anions (e.g. PO43-, NO3-) coexist in the actual environments, which could significantly influence the TCs removal. In the current study, MgAl layered double oxide (MgAl-LDO) was adopted for investigating the TC removal performance with/without PO43- or NO3-. In all systems, the adsorption performance exhibited two different approaches between low and high TC concentrations. In the single system, pseudo-second-order and the Freundlich model fitted well to the equilibrium adsorption data when TC concentration was below 125 mg·L-1, while the pseudo-first-order and the linear model could describe the removal process at high TC concentration (>125 mg·L-1). The maximum adsorption capacity was 83.56 mg·g-1. In the co-existing system, the adsorption capacity was slightly enhanced when TC concentration below 150 mg·L-1 however was inhibited at high concentration (>150 mg·L-1). Combined with the characterization analyses, the interaction mechanism at low concentration was primarily surface adsorption on reconstructed LDH from LDO in the TC-alone system. It is worth mention that both PO43- and NO3- facilitated the formation of LDH via rehydration of LDO which enhanced surface adsorption in the co-existing system. At high TC concentration, the formation of tetracycline-metal complexes played a dominant role in TC removal in the single system, whereas diminished complexation in the binary system led to the decreased TC removal. This study provides a theoretical and practical guidance for MgAl-LDO on the efficient remediation of actual tetracyclines wastewater.
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Affiliation(s)
- Ping Zhang
- Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China.
| | - Tao He
- Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Han Chen
- Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Peng Li
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Mingxue Xiang
- Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Nengshui Ding
- State Key Laboratory of Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University, Nanchang, China
| | - Shuguang Deng
- School for Engineering of Matter, Transport and Energy, Arizona State University, 551 E. Tyler Mall, Tempe, AZ 85287, USA.
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