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    • 25. 发明申请
    • CONVERTING ETHANE TO LIQUID FUELS AND CHEMICALS
    • 将乙烷转化为液体燃料和化学品
    • US20160168491A1
    • 2016-06-16
    • US14571763
    • 2014-12-16
    • Jianhua YaoDhananjay GhonasgiTushar ChoudharyWarren Ewert
    • Jianhua YaoDhananjay GhonasgiTushar ChoudharyWarren Ewert
    • C10G69/12C10L1/08C10L1/06
    • C10G69/126C10G9/36C10G45/00C10G50/00
    • A process for converting ethane to liquid fuels may involve directing an ethane stream into an ethane cracking unit to produce an intermediate hydrocarbon stream and a raw ethylene stream; fractionating the intermediate hydrocarbon stream into a gasoline fraction and a diesel fraction; introducing the raw ethylene stream into an oligomerization unit; contacting the raw ethylene stream with an oligomerization catalyst to produce a liquid hydrocarbon stream and an off-gas stream; recycling an off-gas recycle stream from an off-gas stream of the oligomerization unit separation unit to an inlet of the oligomerization reactor; introducing at least part of the off-gas stream into a hydrogenation reactor to remove unconverted olefins; separating a hydrogen component and a plurality of light paraffin components in a post hydrogenation reactor separation unit using a PSA technology or membrane technology; and recycling the light paraffins stream into the ethane cracking unit.
    • 将乙烷转化为液体燃料的方法可包括将乙烷流引入乙烷裂解装置以产生中间烃流和生乙烯流; 将中间烃流分馏成汽油馏分和柴油馏分; 将原料乙烯流引入低聚单元; 使原始乙烯流与低聚催化剂接触以产生液态烃流和废气流; 将来自所述低聚单元分离单元的废气流的废气再循环流再循环到所述低聚反应器的入口; 将至少部分废气流引入氢化反应器以除去未转化的烯烃; 使用PSA技术或膜技术在后氢化反应器分离单元中分离氢组分和多种轻链烷烃组分; 并将轻质石蜡料流再循环到乙烷裂解装置中。