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Efficient adsorption of Pb(II) by sodium dodecyl benzene sulfonate intercalated calcium aluminum hydrotalcites: kinetic, isotherm, and mechanisms

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成果类型:
期刊论文
作者:
Zeng, Rongying;Tang, Wenqing;Zhou, Qianyi;Liu, Xing;Liu, Yan;...
通讯作者:
Tang, WQ
作者机构:
[Liu, Yan; Liu, Xing; Wang, Shuzhan; Wang, Zefen; Tang, Wenqing; Chen, Zhen; Yi, Nengzhong; Chen, Jun; Zhou, Qianyi; Zeng, Rongying] Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Organometall Mat Coll Hunan Prov, Hunan Engn Res Ctr Monitoring & Treatment Heavy M, Hengyang 421001, Peoples R China.
[Chen, Jun] Changde Xinfurong Environm Protect Co Ltd, Changde, Peoples R China.
通讯机构:
[Tang, WQ ] H
Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Organometall Mat Coll Hunan Prov, Hunan Engn Res Ctr Monitoring & Treatment Heavy M, Hengyang 421001, Peoples R China.
语种:
英文
关键词:
Adsorption mechanism;Adsorption isotherm;CaAl-LDHs;Pb2+;SDBS-CaAl-LDHs
期刊:
Environmental Science and Pollution Research
ISSN:
0944-1344
年:
2022
卷:
29
期:
30
页码:
46161-46173
基金类别:
This study is supported by the Natural Science Foundation of Hunan Province (No.2021JJ50021), the Scientific Research Project of Hengyang Normal University (No.2021HSKFJJ020; No.2021HSKFJJ047; No.19QD16; No.2020QD08; NYD202026), the Scientific Research Project of Ecology and Environment Department of Hunan ( No.2020–29), National Training Program of Innovation and Entrepreneurship for Undergraduate (No. S201910546002X), and Training Program of Innovation and Entrepreneurship for Undergraduate of Hunan Province (No. cxcy2027: S202010546027S; No. cxcy2021025: S202110546010X).
机构署名:
本校为第一且通讯机构
院系归属:
化学与材料科学学院
摘要:
Two novel adsorbents of CaAl-LDHs and sodium dodecyl benzene sulfonate (SDBS) intercalated CaAl-LDHs (SDBS-CaAl-LDHs) were successfully prepared by co-precipitation. The main composition and physical properties of two samples were characterized by XRD, XPS, FT-IR, TG, and SEM. Batch adsorption experiments were conducted to study the effect of pH, adsorption time, and initial concentration of Pb2+. The results showed that the prime adsorption conditions obtained were pH of 5.2 after 60min with the initial concentration of 300mgg−1 for CaAl-LDHs...

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