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    • 5. 发明授权
    • Process for the production of olefins
    • 烯烃生产工艺
    • US07135603B2
    • 2006-11-14
    • US10332776
    • 2001-06-26
    • Brian Edward Messenger
    • Brian Edward Messenger
    • C07C4/06
    • C07C5/48C07C2523/08C07C2523/14C07C2523/28C07C2523/30C07C2523/42C07C2523/44C07C2523/46C07C2523/62C07C2523/72C07C2523/89C10G2400/20C10G2400/22C07C11/02
    • Process for the production of olefins such as ethylene from a hydrocarbon such as ethane. The process involves passing a mixture of the hydrocarbon and an oxagen-containing gas through a catalyst zone which is capable of supporting combustion beyond the fuel rich limit of flammability to produce the olefin. The catalyst zone comprises at least a first catalyst bed and a second catalyst bed. The second catalyst bed is located downstream of the first catalyst bed, is of a different composition to the first catalyst bed and comprises at least one metal selected from the group consisting of Mo, W, and groups IB, IIB, IIIB, IVB, VB, VIIB and VIII of the Periodic Table. Suitably, the first catalyst bed comprises platinum and the second catalyst bed comprises tin- or copper-promoted nickel, cobalt or iridium catalyst or a copper-only catalyst.
    • 从烃如乙烷生产烯烃如乙烯的方法。 该方法包括使烃和含氧化物的气体的混合物通过催化剂区,该催化剂区能够支持超过燃料的燃烧极限的燃烧以产生烯烃。 催化剂区包括至少第一催化剂床和第二催化剂床。 第二催化剂床位于第一催化剂床的下游,与第一催化剂床的组成不同,并且包含选自Mo,W和IB,IIB,IIIB,IVB,VB中的至少一种金属 ,周期表VIIB和VIII。 合适地,第一催化剂床包含铂,第二催化剂床包括锡或铜促进的镍,钴或铱催化剂或仅含铜催化剂。