Selective Pt recovery from spent catalyst enabled by hierarchical porous poly(imine dioxime)/polyethylenimine composite membrane for recycled Pt/C catalyst

Huaimeng Li,Mengxiang Ye,Zhenzhen Liu,Zhen Fu,Haimin Zhang,Guozhong Wang,Yunxia Zhang

Separation and Purification Technology（2023）

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摘要

•Hierarchical porous PIDO/PEI composite membrane was fabricated.•PIDO/PEI composite membrane enabled selective Pt recovery.•Recovery mechanism of Pt was studied.•The recycled Pt/C catalyst possessed enhanced electrochemical surface area.

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关键词

Poly(imine dioxime)/polyethylenimine membrane,Pt(IV),Recovery,Selective,Regeneration

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