Title:
リーンな天然ガス液化のための重質炭化水素除去システム
Document Type and Number:
Japanese Patent JP6503024
Kind Code:
B2
Abstract:
A system and method for integrated heavy hydrocarbon removal in a liquefaction system having a lean natural gas source. An economizer located between a main cryogenic heat exchanger and a reflux drum is provided to cool an overhead vapor stream against a partially condensed stream. In addition, pressure of the natural gas feed stream is maintained into a scrub column. A pressure drop is provided by a valve located between the economizer and the reflux drum on a partially condensed stream withdrawn from the cold end of the warm section of the main cryogenic heat exchanger.
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Inventors:
Chen Fei
Mark Julian Roberts
Christopher Michael Ott
Annemarie Ottoweast
Mark Julian Roberts
Christopher Michael Ott
Annemarie Ottoweast
Application Number:
JP2017138879A
Publication Date:
April 17, 2019
Filing Date:
July 18, 2017
Export Citation:
Assignee:
AIR PRODUCTS AND CHEMICALS INCORPORATED
International Classes:
F25J1/00; C10L3/10; F25J1/02; F25J3/02; F25J3/06
Domestic Patent References:
| JP2008545819A | ||||
| JP2008057962A |
Foreign References:
| WO2015098125A1 | ||||
| DE102011109234A1 | ||||
| US20130098103 |
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mitsuhashi
Kenji Kimura
Naori Kota
Naoki Tanaka
Shinji Mitsuhashi
Kenji Kimura
Naori Kota
Naoki Tanaka