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HEX) and branched 2,3-dimethylbutane (23DMB) through organic solvent reverse osmosis (OSRO). Notably, the research octane number (RON) of a five-component C6 alkane mixture can be effectively improved from 67.7 to 92.8 through a continuous separation using the COF membrane. The exceptional performance of the COF membrane suggests a new design of next-generation molecularly selective membranes toward efficient isomeric separation.
Yang et al. (Mon,) studied this question.