Fluorine-rich poly(arylene amine) membranes for the separation of liquid aliphatic compounds

IF 44.7 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Science Pub Date : 2025-01-09 DOI:10.1126/science.adp2619

Yi Ren, Hui Ma, Jinsu Kim, Mohammed Al Otmi, Ping Lin, Changhui Dai, Young Joo Lee, Zihan Zhai, Woo Jin Jang, Shijie Yang, Akriti Sarswat, Yacine Feliachi, Janani Sampath, Matthew J. Realff, Ryan P. Lively, Sheng Guo

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Abstract

We explored the potential for membrane materials to reduce energy and carbon requirements for the separation of aliphatic hydrocarbon feedstocks and products. We developed a series of fluorine-rich poly(arylene amine) polymer membranes that feature rigid polymer backbones with segregated perfluoroalkyl side chains. This combination imbues the polymers with resistance to dilation induced by hydrocarbon immersion without the loss of solution-based membrane fabrication techniques. These materials exhibit good separation of liquid-phase alkane isomers at ambient temperatures. The integration of these polymeric membranes into fuel and chemical feedstock separation processes was investigated in a series of experiments. Technoeconomic analyses based on these experiments indicate that the best-performing membrane materials can substantially reduce the energy costs and associated carbon emissions of hydrocarbon separations (two to 10 times, depending on product specifications).

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来源期刊

Science 综合性期刊-综合性期刊

CiteScore

61.10

自引率

0.90%

发文量

审稿时长

2.1 months

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