Title:
炭化水素ガス処理
Document Type and Number:
Japanese Patent JP5850838
Kind Code:
B2
Abstract:
A process and an apparatus are disclosed for the recovery of ethane, ethylene, propane, propylene, and heavier hydrocarbon components from a hydrocarbon gas stream. The stream is cooled and divided into first and second streams. The first stream is further cooled to condense substantially all of it and divided into first and second portions. The first and second portions are expanded to the fractionation tower pressure and supplied to the fractionation tower at upper mid-column feed positions, with the expanded second portion being heated before it enters the tower. The second stream is expanded to the tower pressure and supplied to the column at a mid-column feed position. A distillation vapor stream is withdrawn from the column above the feed point of the second stream, combined with a portion of the tower overhead vapor stream, compressed to higher pressure, and directed into heat exchange relation with the remaining tower overhead vapor stream and the expanded second portion to cool the compressed combined vapor stream and condense at least a part of it, forming a condensed stream. At least a portion of the condensed stream is expanded to the tower pressure and directed to the fractionation tower as its top feed. The quantities and temperatures of the feeds to the fractionation tower are effective to maintain the overhead temperature of the fractionation tower at a temperature whereby the major portion of the desired components is recovered.
Inventors:
Martinez, Tony El
Wilkinson, John Dee
Lynch, Joe Tee
Hudson, hank em
Queer tee, kyle tea
Wilkinson, John Dee
Lynch, Joe Tee
Hudson, hank em
Queer tee, kyle tea
Application Number:
JP2012529780A
Publication Date:
February 03, 2016
Filing Date:
August 27, 2010
Export Citation:
Assignee:
Autorov Engineers Limited
International Classes:
C07C7/04; C07C7/09; C07C9/04; C07C9/06; C07C9/08; C07C9/10; C10G5/00; C10L3/00; F25J3/02; F25J3/06
Domestic Patent References:
| JP2007524578A | ||||
| JP2007508516A | ||||
| JP2011500923A | ||||
| JP2013505421A | ||||
| JP2013505422A |
Foreign References:
| US4889545 |
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Hiroyuki Tomita
Osamu Hoshino
Morishita Azusa
Yasushi Kobayashi
Hiroyuki Tomita
Osamu Hoshino
Morishita Azusa