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    • 8. 发明授权
    • Oxygenate conversion to olefins with metathesis
    • 复合转化烯烃转化为烯烃
    • US07732650B2
    • 2010-06-08
    • US12536820
    • 2009-08-06
    • Andrea G. BozzanoBryan K. Glover
    • Andrea G. BozzanoBryan K. Glover
    • C07C1/207C07C6/04
    • C07C11/06C07C1/20C07C6/04Y02P30/42C07C11/02
    • A processing scheme and system for enhanced light olefin production, particularly for increased relative yield of propylene, involves oxygenate conversion to olefins and subsequent oxygenate conversion effluent stream treatment including cross-metathesis of 1-butene with 2-butene, metathesis of 2-butene with ethylene, conversion or removal of at least a portion of the isobutene, and/or isomerization of at least a portion of 1-butene to 2-butene to produce additional propylene. The processing scheme and system may further involve a reaction with distillation column for the metathesis of butenes with ethylene to produce propylene and/or a reaction with distillation column for the conversion of isobutenes with an oxygenate-containing material to produce a tertiary ether or alcohol.
    • 用于增强轻烯烃生产的加工方案和系统,特别是用于增加丙烯的相对产率,涉及含氧化合物转化为烯烃和随后的含氧化合物转化流出物流处理,包括1-丁烯与2-丁烯的交错复分解,2-丁烯的复分解 乙烯,至少一部分异丁烯的转化或除去,和/或至少一部分1-丁烯异构化成2-丁烯以产生另外的丙烯。 处理方案和系统可以进一步包括与用乙烯使乙烯复分解以产生丙烯和/或与蒸馏塔反应以使异丁烯与含氧化合物转化以产生叔醚或醇的反应。