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OALib Journal期刊
ISSN: 2333-9721
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陈化时间对cuo/zno/ceo2/zro2甲醇水蒸气重整制氢催化剂性能的影响
, PP. 883-888
Keywords: 甲醇水蒸气重整,老化时间,h2,cuo/zno/ceo2-zro2,co含量
Abstract:
？采用共沉淀法制备了cuo/zno/ceo2/zro2甲醇水蒸气重整催化剂,探讨了陈化时间对催化剂性能的影响.结果发现,延长陈化时间能增加催化剂的表面铜原子数和改善催化剂的还原性能,但与此同时也降低了催化剂的储放氧性能.延长陈化时间,cuo/zno/ceo2/zro2催化剂的氢产率随表面铜原子数的增加而成线性增长.另一方面,重整尾气中的co含量也随着储放氧能力的下降而增加.综合考虑产氢率和重整尾气中co含量,最佳陈化时间为2h,此时,cuo/zno/ceo2/zro2催化剂表现出了最佳性能.
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