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Silica from rice husk for sludge-based biochar modification: As a novel adsorbent for lead

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成果类型:
期刊论文
作者:
Li, Yuanping*;Zhao, Mengyang;Yan, Haoqin;Chen, Yaoning;Liu, Yihuan;...
通讯作者:
Li, Yuanping;Chen, YN
作者机构:
[Chen, YN; Chen, Yaoning; Chi, Nianping; Li, Yuanping; Jia, Shunyao] Hunan City Univ, Sch Municipal & Geomat Engn, Yiyang 413000, Hunan, Peoples R China.
[Zhao, Mengyang; Chen, Yaoning; Hou, Suzhen; Liu, Yihuan; Yan, Haoqin; Jiang, Hongjuan; Chen, Li] Hunan Univ, Coll Environm Sci & Engn, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Hunan, Peoples R China.
通讯机构:
[Chen, YN ; Li, YP] H
Hunan City Univ, Sch Municipal & Geomat Engn, Yiyang 413000, Hunan, Peoples R China.
语种:
英文
关键词:
Sludge;Rice husk;Silicon-rich biochar;Adsorption mechanism;Lead
期刊:
Journal of Water Process Engineering
ISSN:
2214-7144
年:
2024
卷:
60
页码:
105218
基金类别:
This study was financially supported by the Natural Science Foundation of Hunan Province , China ( 2023JJ30130 ), the National Natural Science Foundation of China ( 51979104 ), the National Key Research and Development Program of China ( 2021YFC1910403 ), and the National Innovation Training Program for College Students ( S202311527019 ).
机构署名:
本校为第一且通讯机构
院系归属:
市政与测绘工程学院
摘要:
Converting municipal sludge into biochar through pyrolysis is an ideal method to realize waste utilization, but the pristine biochar usually has the disadvantage of relatively low adsorption efficiency. Modification with silicon is an effective means to improve adsorption capacity. Different from the general silica source, this study creatively extracted silica from rice husk waste for biochar modification to prepare a novel silica-rich biochar (SiBC). Adsorption experiments showed that the maximum adsorption capacity of Pb2+ reached 230.47 mg/...

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