Aqueous Cr(VI) removal by biochar derived from waste mangosteen shells: Role of pyrolysis and modification on its absorption process

doi:10.1016/j.jece.2020.103885

	Aqueous Cr(VI) removal by biochar derived from waste mangosteen shells: Role of pyrolysis and modification on its absorption process
	Shan, Rui 1,2,4,5; Shi, Yueyue 1,4,5; Gu, Jing 1,2,4,5; Bi, Jingwang 1,2,4,5; Yuan, Haoran 1,2,4,5; Luo, Bo 3; Chen, Yong 1,2,4,5
刊名	JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
	2020-08-01
卷号	8 期号:4 页码:10
关键词	Modified Mangosteen shell Biochar Cr(VI) Adsorption Pyrolysis
DOI	10.1016/j.jece.2020.103885
通讯作者	Yuan, Haoran(yuanhr@ms.giec.ac.cn)
英文摘要	A series of mangosteen-derived biochars were produced by several modifiers (HCl, KOH and ZnCl2), in different preparation conditions (i.e. pyrolysis temperature, pyrolysis process and impregnation ratio). It indicated that the Z2PT350-700 presented excellent ability for Cr(VI) removal. The physical/chemical properties of the prepared biochar are reflected by the electrostatic interaction, surface complexation, ion exchange occupied primary position in the process of adsorbing Cr(VI). Besides, the effects of reaction time, pH, adsorbent dosage and initial adsorbate concentration on Cr(VI) removal were evaluated. The sorption process of Cr(VI) could be described by the pseudo-second order (PSO) kinetic model and Sips isotherm model. In optimal reaction condition, the surface of Zn2MB350-700 was composed of homogeneous and heterogeneous adsorption and the chemical adsorption dominated in the adsorption process. Therefore, the results suggested that Zn2MB350-700 could be used as an inexpensive and highly efficient adsorbent for Cr removal from water environment.
资助项目	State's Key Project of Research and Development Plan, China[y804091001] ; National Natural Science Funds of China[51776211] ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), China[GML2019ZD0101]
WOS关键词	HEXAVALENT CHROMIUM REMOVAL ; HEAVY-METALS ; ACTIVATED CARBONS ; CHROMATE REMOVAL ; POROUS CARBON ; PEEL WASTE ; ADSORPTION ; WATER ; CONTAMINANTS ; TEMPERATURE
WOS研究方向	Engineering
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000563930800013
资助机构	State's Key Project of Research and Development Plan, China ; National Natural Science Funds of China ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), China
内容类型	期刊论文
源URL	[http://ir.giec.ac.cn/handle/344007/27627]
专题	中国科学院广州能源研究所
通讯作者	Yuan, Haoran
作者单位	1.Southern Marine Sci & Engn Guangdong Lab Guangzho, Guangzhou 511458, Peoples R China 2.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China 3.Chongqing Environm & Sanitat Grp Co Ltd, Chongqing 401121, Peoples R China 4.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China 5.CAS Key Lab Renewable Energy, Guangzhou 510640, Peoples R China
推荐引用方式 GB/T 7714	Shan, Rui,Shi, Yueyue,Gu, Jing,et al. Aqueous Cr(VI) removal by biochar derived from waste mangosteen shells: Role of pyrolysis and modification on its absorption process[J]. JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING,2020,8(4):10.
APA	Shan, Rui.,Shi, Yueyue.,Gu, Jing.,Bi, Jingwang.,Yuan, Haoran.,...&Chen, Yong.(2020).Aqueous Cr(VI) removal by biochar derived from waste mangosteen shells: Role of pyrolysis and modification on its absorption process.JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING,8(4),10.
MLA	Shan, Rui,et al."Aqueous Cr(VI) removal by biochar derived from waste mangosteen shells: Role of pyrolysis and modification on its absorption process".JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 8.4(2020):10.