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High ethane recovery from a ryan/holmes additive recovery column
High ethane recovery from a ryan/holmes additive recovery column
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机译:从瑞安/福尔摩斯添加剂回收塔中获得较高的乙烷回收率
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摘要
A method for separating a high ethane-content product from a high methane-content feed stream including the steps of introducing a high methane-content feed stream into a first distillation column containing a plurality of vapor-liquid contact devices and generating a first bottoms stream, and introducing the first bottoms stream into a second distillation column containing a plurality of vapor-liquid contact devices and generating a second bottoms stream. Additional steps include recovering an additive stream from the second bottoms stream and injecting the additive stream into the first distillation column, and recovering a high ethane-content product from the second distillation column.
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