作者: Heinz Bauer , Stephan Burmberger , Christoph Hertel , Aleisha Marty , Ronald D. Key
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摘要: The invention relates to an integrated process and apparatus for liquefaction of natural gas recovery liquids. In particular, the improved reduces energy consumption a Liquefied Natural Gas (LNG) unit by using portion already cooled overhead vapor from fractionation column NGL (natural liquefaction) to, depending upon composition, provide, example, reflux in and/or cold feed LNG unit, or cooling, within residue originating resultant reflux/feed thereby reducing rendering more energy-efficient.