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LOW PRESSURE ETHYLENE RECOVERY PROCESS

  • US 3,675,435 A
  • Filed: 11/07/1969
  • Issued: 07/11/1972
  • Est. Priority Date: 11/07/1969
  • Status: Expired due to Term
First Claim
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2. Process according to claim 1 in which said expansion of the first overhead vapor portion is carried out to produce an energy output equal to the energy required to effect said compression of the second overhead vapor portion.

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