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Efficient removal of U(VI) in acidic environment with spent coffee grounds derived hydrogel

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成果类型:
期刊论文
作者:
Ma, Jianhong;Zhang, Min;Zhang, Hui;Wang, Yongdong;Li, Feng;...
通讯作者:
Ding, DX
作者机构:
[Ding, Dexin; Zhang, Hui; Dai, Zhongran; Hu, Nan; Ma, Jianhong; Ding, Yang; Ding, DX] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Peoples R China.
[Li, Feng; Wang, Yongdong; Zhang, Min] Univ South China, Sch Resources Environm & Safety Engn, Hengyang 421001, Hunan, Peoples R China.
通讯机构:
[Ding, DX ] U
Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Peoples R China.
语种:
英文
关键词:
Acrylic monomers;Groundwater;Sorption;Acidic environment;Anti-interference;Humic-like substances;Macroporous;Performance;Poly(acrylic acid);Poly(acrylic acid) gels;Removal efficiencies;Sorption capacities;Spent coffee grounds;Hydrogels;uranium;adsorption;coffee;humic substance;hydrogel;pH;Adsorption;Coffee;Humic Substances;Hydrogels;Hydrogen-Ion Concentration;Uranium
期刊:
Journal of Hazardous Materials
ISSN:
0304-3894
年:
2022
卷:
426
页码:
127786
基金类别:
CRediT authorship contribution statement Jianhong Ma: Data curation, Writing – Original draft preparation. Min Zhang: Data curation, Writing – Original draft preparation. Hui Zhang: Scheme discussion, Writing – review & editing. Yongdong Wang: Formal analysis. Feng Li: Writing – review & editing. Nan Hu: Scheme discussion. Zhongran Dai: Writing – review & editing. Yang Ding: Writing – review & editing. Dexin Ding: Writing – review & editing, acquisition.
机构署名:
本校为第一且通讯机构
院系归属:
核资源工程学院
摘要:
In this study, humic-like substances (HLSs) was extracted from spent coffee grounds (SCGs), and it together with poly acrylic acid (PAA), was used for the first time to synthesize hydrogel material, namely HLSs/PAA gel, by one-step radical polymerization. Its maximum theoretical sorption capacity toward U(VI) at pH 3.00 was 661.01 mg/g, and it could decrease the concentration of U(VI) in acidic actual groundwater from 0.2537 to 0.0003 mg/L, showing that the gel had excellent U(VI) removal efficiency in acidic environment. The SEM characterizati...

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