The emerging of hydrogen fuel cells has brought new challenges to the field of hydrogen purification.The irreversible toxication of trace H2S in hydrogen on Pt/C catalysts in fuel cells has promoted the research of deep H2S removal.However,there are relatively few reports on the research of H2S removal that can meet the requirements of fuel cell grade hydrogen.Through systematically reviewing the research status of conventional H2S adsorption and removal,the paper focuses on the research progress of zeolite molecular sieves such as clinoptilolite zeolite,A-type,X-type,Y-type and other types of molecular sieves and their modified molecular sieves in the field of H2S adsorption and removal,and briefly introduces the research progress of the research group in deep H2S removal,so as to provide technical ideas for the purification of fuel cell hydrogen.
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