Enhanced elimination of Cr(VI) from aqueous media by polyethyleneimine modified corn straw biochar supported sulfide nanoscale zero valent iron: Performance and mechanism

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成果类型：

期刊论文

作者：

Tian, Haoran;Huang, Chao;Wang, Ping;Wei, Jie;Li, Xinyan;...

通讯作者：

Chao Huang

作者机构：

[Liu, Hao; Feng, Chongling; Wei, Jie; Huang, Chao; Tian, Haoran; Ling, Dingxun; Li, Xinyan; Wang, Ping; Wang, Mengxin; Zhang, Ruimei] Cent South Univ Forestry & Technol, Coll Environm Sci & Engn, Changsha 410004, Peoples R China.

[Liu, Zhiming] Eastern New Mexico Univ, Dept Biol, Portales, NM 88130 USA.

通讯机构：

[Chao Huang] C

College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China

语种：

英文

关键词：

Biochar;Cr(VI);Nanoscale zero-valent iron;Polyethylenimine

期刊：

Bioresource Technology

ISSN：

0960-8524

年：

2023

卷：

369

页码：

128452

DOI：

10.1016/j.biortech.2022.128452

基金类别：

CRediT authorship contribution statement Haoran Tian: Investigation, Visualization, Writing – original draft. Chao Huang: Supervision, Writing – review & editing. Ping Wang: Supervision, acquisition. Jie Wei: Investigation, Visualization. Xinyan Li: Investigation. Ruimei Zhang: Methodology. Dingxun Ling: Methodology. Chongling Feng: Data analysis. Hao Liu: Investigation, Visualization. Mengxin Wang: Visualization. Zhiming Liu: Writing – review & editing.

机构署名：

本校为第一机构

院系归属：

环境科学与工程学院

摘要：

A novel polyethyleneimine modified corn straw biochar supported sulfide nanoscale zero-valent iron (S-nZVI@PBC) was developed to enhance Cr(VI) removal from aqueous media. The characteristics of morphology, chemical composition, and functional groups of S-nZVI@PBC, as well as its kinetics and mechanism for Cr(VI) removal were explored. Characterization verified S-nZVI was successfully loaded onto PEI modified biochar. The adsorption process was well represented pseudo-second-order model (R2 = 0.990) and Langmuir isotherm model (R2 = 0.962), ind...

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Enhanced elimination of Cr(VI) from aqueous media by polyethyleneimine modified corn straw biochar supported sulfide nanoscale zero valent iron: Performance and mechanism

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