Characteristics of Cu(II)-modified aerobic granular sludge biocarbon in removal of doxycycline hydroxide

doi:10.1007/s11356-021-16547-x

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	Characteristics of Cu(II)-modified aerobic granular sludge biocarbon in removal of doxycycline hydroxide
	Zhao, Xia 1; Wang, Hao 1; Zhang, Guozhen 2; Pei, Weina 1; Xu, Yumin 1; Li, Bowen 1
刊名	ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
	2021-10
卷号	29 期号:10 页码:14019-14035
关键词	Aerobic granular sludge Biocarbon Cu(II) modification Doxycycline hydrochloride Adsorption
ISSN号	0944-1344
DOI	10.1007/s11356-021-16547-x
英文摘要	In this study, the biocarbon derived from aerobic granular sludge with different nutritive proportions was modified by Cu(NO3)(2)center dot 3H(2)O (Cu-BC) to improve its adsorption capacity of doxycycline hydrochloride (DOX). The surface area, pores, functional groups, and element composition of biocarbon were characterized by scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) surface area, X-ray photoelectron spectrometer, X-ray diffraction (XRD), the X-ray photoelectron spectrometer, and Fourier transform infrared spectrometry (FT-IR), respectively. Effects of DOX concentration, initial pH, and background electrolyte on adsorption effects of composite were analyzed. Furthermore, the adsorption kinetics, isotherm, thermodynamics, and diffusion model were investigated. Results demonstrated that biocarbons which were prepared with aerobic granular sludge under different nutritive proportions presented different performances. The BET specific surface area of Cu-NaAC/AGS-BC was 260.1592 m(2)/g, and the micropore volume was 0.054101 cm(3)/g. The BET specific surface area of Cu-GLC /AGS-BC was only 10.6821 m(2)/g, and the micropore volume was 0.008687 cm(3)/g. Both kinds of modified biochar contain a large number of oxygen-containing functional groups. The highest adsorption efficiency of Cu-BC could reach 99.54%. The adsorption of DOX on two modified biocarbons conforms to the pseudo-second-order dynamic model and Temkin isothermal model.
WOS研究方向	Environmental Sciences & Ecology
语种	英语
出版者	SPRINGER HEIDELBERG
WOS记录号	WOS:000702806700003
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/148728]
专题	石油化工学院
作者单位	1.Lanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730050, Peoples R China; 2.Gansu Environm Monitoring Ctr, Gansu Dept Ecol & Environm, Lanzhou 730050, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Zhao, Xia,Wang, Hao,Zhang, Guozhen,et al. Characteristics of Cu(II)-modified aerobic granular sludge biocarbon in removal of doxycycline hydroxide[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2021,29(10):14019-14035.
APA	Zhao, Xia,Wang, Hao,Zhang, Guozhen,Pei, Weina,Xu, Yumin,&Li, Bowen.(2021).Characteristics of Cu(II)-modified aerobic granular sludge biocarbon in removal of doxycycline hydroxide.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,29(10),14019-14035.
MLA	Zhao, Xia,et al."Characteristics of Cu(II)-modified aerobic granular sludge biocarbon in removal of doxycycline hydroxide".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 29.10(2021):14019-14035.