The liquefaction of low pressure ethane and purification from high-pressure liquid ethane source

The liquefaction of low pressure ethane and purification from high-pressure liquid ethane source

  • CN 107,208,963 A
  • Filed: 09/02/2014
  • Published: 09/26/2017
  • Est. Priority Date: 09/02/2014
  • Status: Active Application
First Claim
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1. a kind of method for liquefying and purifying high pressure ethane supply stream, the described method comprises the following steps:

  • It is dehydrated the ethane supply stream;

    The ethane supply stream of cooled dehydrated, wherein the step of cooling down the ethane supply stream of the dehydration also includes:

    The ethane supply stream of the dehydration is set to pass through multiple cascade cooling circuits;

    WithMake a part of demethanation of the ethane supply stream of cooling.

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