DE2053244
Process for the removal of methane from a hydrocarbon feed containing ethylene, methane and higher boiling hydrocarbons with minimum loss of ethylene. Methane is separated overhead from the feed in a separation zone at a first lower pressure; a first portion of this overhead vapor is expanded throug...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
07.08.1975
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Edition | 2 |
Subjects | |
Online Access | Get full text |
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Abstract | Process for the removal of methane from a hydrocarbon feed containing ethylene, methane and higher boiling hydrocarbons with minimum loss of ethylene. Methane is separated overhead from the feed in a separation zone at a first lower pressure; a first portion of this overhead vapor is expanded through an expansion motor producing an energy output, a second portion of the overhead vapor is compressed to a second pressure greater than the first pressure in a compressor driven by the motor output. The compressed vapor portion is then cooled to condense the major portion of the methane and the condensed methane is returned to the separation zone as reflux and recovering ethylene as bottoms from the separation zone. The methane vapor is recovered as fuel gas. |
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AbstractList | Process for the removal of methane from a hydrocarbon feed containing ethylene, methane and higher boiling hydrocarbons with minimum loss of ethylene. Methane is separated overhead from the feed in a separation zone at a first lower pressure; a first portion of this overhead vapor is expanded through an expansion motor producing an energy output, a second portion of the overhead vapor is compressed to a second pressure greater than the first pressure in a compressor driven by the motor output. The compressed vapor portion is then cooled to condense the major portion of the methane and the condensed methane is returned to the separation zone as reflux and recovering ethylene as bottoms from the separation zone. The methane vapor is recovered as fuel gas. |
Author | HAMMOND, JAMES DAVID, ALHAMBRA JACKSON, STEVEN BOYD, FULLERTON FREIREICH, ERNEST, LOS ANGELES |
Author_xml | – fullname: FREIREICH, ERNEST, LOS ANGELES – fullname: JACKSON, STEVEN BOYD, FULLERTON – fullname: HAMMOND, JAMES DAVID, ALHAMBRA |
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Discipline | Medicine Chemistry Sciences |
Edition | 2 |
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Notes | Application Number: DE19702053244 |
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PublicationDate | 19750807 |
PublicationDateYYYYMMDD | 1975-08-07 |
PublicationDate_xml | – month: 08 year: 1975 text: 19750807 day: 07 |
PublicationDecade | 1970 |
PublicationYear | 1975 |
RelatedCompanies | FLUOR CORP., LOS ANGELES, CALIF. (V.ST.A.) |
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Snippet | Process for the removal of methane from a hydrocarbon feed containing ethylene, methane and higher boiling hydrocarbons with minimum loss of ethylene. Methane... |
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SubjectTerms | ACYCLIC OR CARBOCYCLIC COMPOUNDS BLASTING CHEMISTRY COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING METALLURGY MIXTURES BY PRESSURE AND COLD TREATMENT ORGANIC CHEMISTRY REFRIGERATION OR COOLING WEAPONS |
Title | DE2053244 |
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