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    • 16. 发明申请
    • MAXIMIZING HIGH-VALUE CHEMICALS FROM MIXED PLASTIC USING DIFFERENT STEAM-CRACKER CONFIGURATIONS
    • 使用不同的蒸汽裂化装置配置使混合塑料中的高价值化学物质达到最大化
    • WO2018069794A1
    • 2018-04-19
    • PCT/IB2017/056128
    • 2017-10-04
    • SABIC GLOBAL TECHNOLOGIES, B.V.
    • RAMAMURTHY, Krishna KumarGOYHENEIX, NicolasNARAYANASWAMY, RavichanderGALAN-SANCHEZ, Lara
    • C10G45/00C10G51/06C10G69/00C10G1/00C10G1/10C10G9/36
    • A process for producing olefins and aromatics comprising converting plastics to a hydrocarbon product comprising a gas phase and a liquid phase in a pyrolysis unit; separating the hydrocarbon product into a hydrocarbon gas stream comprising the gas phase and a hydrocarbon liquid stream comprising the liquid phase; feeding the hydrocarbon gas stream to a gas steam cracker to produce a gas steam cracker product comprising olefins, wherein an olefins amount in the gas steam cracker product is greater than in the hydrocarbon gas stream; separating the hydrocarbon liquid stream into a first fraction (b.p. 300 °C); feeding the first fraction to a liquid steam cracker to produce a liquid steam cracker product comprising olefins and aromatics, wherein an olefins amount in the liquid steam cracker product is greater than in the first fraction; and recycling the second fraction to the pyrolysis unit.
    • 一种生产烯烃和芳族化合物的方法,其包括在热解单元中将塑料转化为包含气相和液相的烃产物; 将烃产物分离成包含气相和包含液相的烃液流的烃气流; 将所述烃气流供给至气体蒸汽裂化器以产生包含烯烃的气体蒸汽裂化器产物,其中所述蒸汽裂化器产物中的烯烃量大于所述烃气体流中的烯烃量; 将烃液流分离成第一馏分(b.p. <300℃)和第二馏分(b.p> 300℃); 将第一馏分进料到液体蒸汽裂化器以产生包含烯烃和芳族化合物的液体蒸汽裂化器产物,其中液体蒸汽裂化器产物中的烯烃量大于第一馏分中的烯烃量; 并将第二部分再循环至热解单元。