期刊论文

Tang, WQ

英文

Environmental Science and Pollution Research

0944-1344

2022

29

30

46161-46173

10.1007/s11356-022-19129-7

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).

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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 60 min with the initial concentration of 300 mg g−1 for CaAl-L...