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丙烷脱氢Cr系催化剂的研究进展 被引量:6

PROGRESSES OF Cr-BASED CATALYSTS FOR PROPANE DEHYDROGENATION
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摘要 综述了Cr系催化剂在丙烷催化脱氢和氧化脱氢反应中的应用研究进展情况,介绍了在这两种脱氢反应中,Cr系催化剂的活性中心、脱氢反应机理以及催化性能影响因素,分析了催化剂的失活原因,探讨了催化剂再生的影响,并对Cr系催化剂的发展前景和方向进行了展望。开发新型低铬含量、高选择性和抗积炭的催化剂是Cr系催化剂当前的研究重点,提高丙烷氧化脱氢反应中丙烷的转化率和丙烯收率是今后的主要研究方向。 Progresses in propane catalytic dehydrogenation and propane oxidation dehydrogenation of Cr-based catalysts were reviewed.The active sites of catalyst,dehydrogenation mechanism and influence factors for the reaction in two processes were introduced.The reasons of catalyst deactivation were analyzed and the influence of regeneration on catalyst performance was discussed.The development of new type catalysts with lower Cr content,higher selectivity and better resistance to coke deposit is the current focus.While the Cr-based catalyst for propane oxidation dehydrogenation with improved propane conversion rate and higher propene yield is the main direction in future.
出处 《石油炼制与化工》 CAS CSCD 北大核心 2017年第11期103-110,共8页 Petroleum Processing and Petrochemicals
关键词 丙烷脱氢 Cr系催化剂 失活 再生 propane dehydrogenation Cr-based catalyst deactivation regeneration
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