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Synthesis, Characterization, and Dye Removal of ZnCl2-Modified Biochar Derived from Pulp and Paper Sludge
Zhao, Fengxiao1,2,3,4; Shan, Rui1,2,3; Li, Wenjian5; Zhang, Yuyuan6; Yuan, Haoran1,2,3; Chen, Yong1,2,3
2021-12-10
发表期刊ACS OMEGA
ISSN2470-1343
页码12
通讯作者Yuan, Haoran(yuanhr@ms.giec.ac.cn)
摘要In this study, pulp sludge-derived biochar synthesized through modification with ZnCl2 under multistep pyrolysis conditions was investigated for the effective removal of methylene blue (MB) from aqueous solution. Results showed that when the Zn2PT350-700 dosage was 10 mg, the largest adsorption amount of MB was 590.20 mg/g within 24 h under pH = 8. Kinetics and thermodynamics revealed that the adsorption process of MB can be described by the Freundlich isotherm model and the pseudo-second-order kinetic model, which means that multilayer sorption occurred on the heterogeneous surface of Zn2PT350-700. The analysis of the adsorption mechanism showed that electrostatic attraction between the deprotonated functional groups and MB+, cation exchange, and pi-electron interaction played a major role in MB adsorption, followed by physical adsorption. After six cycles of desorption-adsorption, Zn2PT350-700 still maintained good adsorption performance. All results demonstrated that Zn2PT350700 could perform as promising adsorbents for efficient MB removal from wastewater. Using biochar from paper and pulp sludge for wastewater remediation is an ingenious method, which can reduce the environmental and health risks related to industrial waste disposal, while providing remediation of water contaminated with industrial dye effluents.
DOI10.1021/acsomega.1c05142
关键词[WOS]ACTIVATED CARBONS ; MILL SLUDGE ; ADSORPTION ; PYROLYSIS ; ADSORBENT ; WATER ; TEMPERATURE ; PERFORMANCE ; KINETICS ; ACID
收录类别SCI
语种英语
资助项目State's Key Project of Research and Development Plan, China[2020YFC1908900] ; National Natural Science Funds of China[51776211] ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)[GML2019ZD0101] ; Science and Technology Program of Guangdong Province, China[2021A1515012263] ; Science and Technology Program of Guangdong Province, China[2019B110210003] ; Science and Technology Program of Guangzhou, China[202002030365]
WOS研究方向Chemistry
项目资助者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) ; Science and Technology Program of Guangdong Province, China ; Science and Technology Program of Guangzhou, China
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000731116200001
出版者AMER CHEMICAL SOC
引用统计
被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/35471
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.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Southern Marine Sci & Engn Guangdong Lab Guangzho, Guangzhou 511458, Peoples R China
3.CAS Key Lab Renewable Energy, Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Zhejiang Golden Pot Boiler Ltd, Jinhua 321015, Zhejiang, Peoples R China
6.Coll Mat Sci & Energy Engn, Foshan 528000, Peoples R China
第一作者单位中国科学院广州能源研究所
推荐引用方式
GB/T 7714
Zhao, Fengxiao,Shan, Rui,Li, Wenjian,et al. Synthesis, Characterization, and Dye Removal of ZnCl2-Modified Biochar Derived from Pulp and Paper Sludge[J]. ACS OMEGA,2021:12.
APA Zhao, Fengxiao,Shan, Rui,Li, Wenjian,Zhang, Yuyuan,Yuan, Haoran,&Chen, Yong.(2021).Synthesis, Characterization, and Dye Removal of ZnCl2-Modified Biochar Derived from Pulp and Paper Sludge.ACS OMEGA,12.
MLA Zhao, Fengxiao,et al."Synthesis, Characterization, and Dye Removal of ZnCl2-Modified Biochar Derived from Pulp and Paper Sludge".ACS OMEGA (2021):12.
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