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A comparative study of adsorption behavior of rifampicin,streptomycin,and ibuprofen contaminants from aqueous solutions onto chitosan:Dynamic interactions,kinetics,diffusions,and mechanisms

引用

emerging Contaminants 2023年第1期9卷 20-32页

作者： ensan waatriah e.s.shahrin Nur Alimatul Hakimah Narudin Nurulizzatul Ningsheh Mshahri Muhammad Nur Jun-Wei Lim Muhammad Roil Bilad Abdul Hanif Mahadi Jonathan Hobley Anwar Usman Department of Chemistry Faculty of ScienceUniversiti Brunei DarussalamJalan Tungku LinkGadongBE1410Brunei Darussalam Center for Plasma Research Integrated LaboratoryUniversitas DiponegoroTembalangSemarang50275Indonesia HICoe-Centre for Biofuel and Biochemical Research Institute of Self-Sustainable BuildingDepartment of Fundamental and Applied SciencesUniversiti Teknologi PETRONAS32610Seri IskandarPerak Darul RidzuanMalaysia Faculty of Integrated Technologies Jalan Tungku LinkGadongBE1410Brunei Darussalam Centre for Advanced Material and energy sciences Universiti Brunei DarussalamJalan Tungku LinkGadongBE1410Brunei Darussalam Department of Biomedical engineering National Cheng Kung UniversityNo.1 University RoadTainan City 701Taiwan

Adsorptive removal and dynamic interaction of three different pharmaceutical pollutants,namely rifampicin(RIF),streptomycin(sTM),and ibuprofen(IBU)onto chitosan were systematically investigated using a batch adsorption technique at different processing *** this study,chitosan was derived from mud-crab shells,as an innovative way to use the waste from marine foods as *** kinetics,intraparticle diffusion,mechanism,and thermodynamics of the adsorption were systematically evaluated and analyzed using kinetic models,Boyd mass transfer and WebereMorris intraparticle diffusion models,Langmuir,Freundlich,DubinineRadushkevich,and Temkin isotherm models,and the Gibbs *** adsorption isotherm of the larger molecules,RIF and sTM,could be explained by the Langmuir isotherm model,in contrast,that of IBU,which is a much smaller molecule,followed the Freundlich isotherm *** maximum adsorption capacity of RIF,sTM,and IBU on chitosan was estimated to be 66.91 mg g^(-1),11.00 mg g^(-1),and 24.21 mg g^(-1),respectively,which are higher compared to those on a variety of agricultural wastes,suggesting that this biopolymer is a potential practical and economical adsorbent to remove the pharmaceutical compounds from *** adsorption mechanism of the pharmaceutical compounds on chitosan is proposed based on the vibrational spectroscopic analyses,XRD patterns,and DsC thermograms of the biopolymer before and after adsorption process.

关键词： Adsorption Rifampicin streptomycin Ibuprofen Chitosan Mud-carb shells

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