Adsorption property and mechanism of glutaraldehyde-crosslinked chitosan for removal of 2,4-dichlorophenoxyacetic acid from water

doi:10.1039/d2ew00638c

	Adsorption property and mechanism of glutaraldehyde-crosslinked chitosan for removal of 2,4-dichlorophenoxyacetic acid from water
	Li, Qing1 ; Su, Heng 2; Yang, Yunhui 3; Zhang, Jingjing 1; Xia, Chuanhai2 ; Guo, Zhanyong1
发表期刊	ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY
ISSN	2053-1400
	2022-12-22
卷号	9 期号:1 页码:294-307
DOI	10.1039/d2ew00638c
通讯作者	Guo, Zhanyong([email protected])
英文摘要	In this work, glutaraldehyde-crosslinked chitosan (GCC) was prepared and its ability to remove 2,4-dichlorophenoxyacetic acid (2,4-D) from aqueous solutions was systematically studied. Batch experiments on adsorption conditions, isotherm models, kinetic models, and thermodynamics were performed to evaluate the ability of GCC for 2,4-D removal from aqueous solution. Under optimal adsorption conditions, the adsorption capacity for 2,4-D reached 252.55 mg g(-1) with a dosage of 500 mg L-1 at pH 3. The adsorption isotherm of 2,4-D could be represented by the Freundlich model due to the high R-2 (0.9986). Adsorption kinetics could be better represented by pseudo-second order kinetics (R-2 > 0.99). The effect of temperature and thermodynamic experiments illustrated that the adsorption was exothermic and spontaneous. For other two phenoxycarboxylic acid herbicides (4-chlorophenoxyacetic acid and 2-(2,4-dichlorophenoxy)propionic acid), GCC also showed good adsorption performance under identical experimental conditions. Meanwhile, GCC can remove 75.2% of 2-chlorophenoxyacetic acid (2-CPA), 77.9% of 4-CPA, and 87.2% of 2,4-D from diluted industrial effluent. The reusability experiments indicated that GCC retained its usability after being regenerated with ethanol for five cycles.
资助机构	Natural Science Foundation of Shandong Province ; National Natural Science Foundation of China ; TaiShan industrial Experts Programe
收录类别	SCI
语种	英语
关键词[WOS]	ACTIVATED CARBON ; METHYL-ORANGE ; 2,4-D ; CYCLODEXTRIN ; COMPOSITE ; GRAPHENE ; SORPTION ; DESIGN ; IONS
研究领域[WOS]	Engineering ; Environmental Sciences & Ecology ; Water Resources
WOS记录号	WOS:000902088800001
引用统计	被引频次：13[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/37075
专题	海岸带生物学与生物资源利用重点实验室海岸带生物学与生物资源利用重点实验室_海岸带生物资源高效利用研究与发展中心
通讯作者	Guo, Zhanyong
作者单位	1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai 264003, Peoples R China 2.Ludong Univ, Sch Resources & Environm Engn, Yantai 264025, Shandong, Peoples R China 3.Yantai Univ, Coll Life Sci, Yantai 264003, Shandong, Peoples R China
推荐引用方式 GB/T 7714	Li, Qing,Su, Heng,Yang, Yunhui,et al. Adsorption property and mechanism of glutaraldehyde-crosslinked chitosan for removal of 2,4-dichlorophenoxyacetic acid from water[J]. ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY,2022,9(1):294-307.
APA	Li, Qing,Su, Heng,Yang, Yunhui,Zhang, Jingjing,Xia, Chuanhai,&Guo, Zhanyong.(2022).Adsorption property and mechanism of glutaraldehyde-crosslinked chitosan for removal of 2,4-dichlorophenoxyacetic acid from water.ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY,9(1),294-307.
MLA	Li, Qing,et al."Adsorption property and mechanism of glutaraldehyde-crosslinked chitosan for removal of 2,4-dichlorophenoxyacetic acid from water".ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY 9.1(2022):294-307.