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Adsorption Properties of Polyethersulfone-Modified Attapulgite Hybrid Microspheres for Bisphenol A and Sulfamethoxazole.
Int J Environ Res Public Health. 2020 01 11; 17(2)IJ

Abstract

In this paper, attapulgite purified by acid heat was employed, and millimeter polyethersulfone-modified attapulgite hybrid microspheres were prepared. The effects of mixed bisphenol A (BPA) and sulfamethoxazole (SMX) solution on the modified attapulgite doping ratio, initial solution pH, adsorbent dosage, contaminant concentration, and temperature were studied. The experimental results showed that BPA and SMX compete in the adsorption process, and the hybrid microspheres preferentially select the BPA molecules (anionic endocrine disruptors) compared to the SMX. The adsorption process in the mixed solution conforms to the quasi-secondary-order kinetic model. The adsorption of BPA and SMX by hybrid microspheres is more consistent with the extended Langmuir adsorption thermodynamic model, and the adsorption of BPA + SMX is more in line with the Langmuir adsorption thermodynamic model. At 25 °C, the maximum adsorption capacity of hybrid microspheres for BPA and SMX was 102.04 and 12.80 μmol·g-1, respectively, and the maximum adsorption of BPA + SMX was 112.36 μmol·g-1. After five regenerations, the removal effect of the hybrid microspheres on the endocrine disruptors remained above 95%.

Authors+Show Affiliations

Key Laboratory of Building Safety and Energy Efficiency, Ministry of Education, Department of Water Engineering and Science, College of Civil Engineering, Hunan University, Changsha 410082, China.Key Laboratory of Building Safety and Energy Efficiency, Ministry of Education, Department of Water Engineering and Science, College of Civil Engineering, Hunan University, Changsha 410082, China.Key Laboratory of Building Safety and Energy Efficiency, Ministry of Education, Department of Water Engineering and Science, College of Civil Engineering, Hunan University, Changsha 410082, China.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

31940746

Citation

Yu, Jian, et al. "Adsorption Properties of Polyethersulfone-Modified Attapulgite Hybrid Microspheres for Bisphenol a and Sulfamethoxazole." International Journal of Environmental Research and Public Health, vol. 17, no. 2, 2020.
Yu J, Shen H, Liu B. Adsorption Properties of Polyethersulfone-Modified Attapulgite Hybrid Microspheres for Bisphenol A and Sulfamethoxazole. Int J Environ Res Public Health. 2020;17(2).
Yu, J., Shen, H., & Liu, B. (2020). Adsorption Properties of Polyethersulfone-Modified Attapulgite Hybrid Microspheres for Bisphenol A and Sulfamethoxazole. International Journal of Environmental Research and Public Health, 17(2). https://doi.org/10.3390/ijerph17020473
Yu J, Shen H, Liu B. Adsorption Properties of Polyethersulfone-Modified Attapulgite Hybrid Microspheres for Bisphenol a and Sulfamethoxazole. Int J Environ Res Public Health. 2020 01 11;17(2) PubMed PMID: 31940746.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Adsorption Properties of Polyethersulfone-Modified Attapulgite Hybrid Microspheres for Bisphenol A and Sulfamethoxazole. AU - Yu,Jian, AU - Shen,Hao, AU - Liu,Bin, Y1 - 2020/01/11/ PY - 2019/11/29/received PY - 2019/12/31/revised PY - 2020/01/08/accepted PY - 2020/1/17/entrez PY - 2020/1/17/pubmed PY - 2020/1/17/medline KW - adsorption KW - attapulgite KW - bisphenol A KW - endocrine disruptor KW - sulfamethoxazole JF - International journal of environmental research and public health JO - Int J Environ Res Public Health VL - 17 IS - 2 N2 - In this paper, attapulgite purified by acid heat was employed, and millimeter polyethersulfone-modified attapulgite hybrid microspheres were prepared. The effects of mixed bisphenol A (BPA) and sulfamethoxazole (SMX) solution on the modified attapulgite doping ratio, initial solution pH, adsorbent dosage, contaminant concentration, and temperature were studied. The experimental results showed that BPA and SMX compete in the adsorption process, and the hybrid microspheres preferentially select the BPA molecules (anionic endocrine disruptors) compared to the SMX. The adsorption process in the mixed solution conforms to the quasi-secondary-order kinetic model. The adsorption of BPA and SMX by hybrid microspheres is more consistent with the extended Langmuir adsorption thermodynamic model, and the adsorption of BPA + SMX is more in line with the Langmuir adsorption thermodynamic model. At 25 °C, the maximum adsorption capacity of hybrid microspheres for BPA and SMX was 102.04 and 12.80 μmol·g-1, respectively, and the maximum adsorption of BPA + SMX was 112.36 μmol·g-1. After five regenerations, the removal effect of the hybrid microspheres on the endocrine disruptors remained above 95%. SN - 1660-4601 UR - https://www.unboundmedicine.com/medline/citation/31940746/Adsorption_Properties_of_Polyethersulfone-Modified_Attapulgite_Hybrid_Microspheres_for_Bisphenol_A_and_Sulfamethoxazole L2 - https://www.mdpi.com/resolver?pii=ijerph17020473 DB - PRIME DP - Unbound Medicine ER -
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