Efficient removal of Hg2+, Cu2+ and Cd2+ from aqueous solutions with polyaspartic acid: Influencing factors and mechanism analysis

Chemical Engineering Science（2024）

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摘要

•PASP is a highly effective heavy metal ions absorbent in aqueous solutions.•The maximum adsorption capacity of Hg2+ by PASP was 1058.46 mg·g−1.•The –COO− and N-H groups are pivotal in PASP’s chelation with Hg2+ and Cu2+.

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关键词

PASP,Heavy metal ions,Complexation,FTIR,Hg

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