Title:
NATURAL GAS PRETREATMENT SYSTEM AND METHOD FOR PRETREATING NATURAL GAS
Document Type and Number:
WIPO Patent Application WO/2020/255302
Kind Code:
A1
Abstract:
[Problem] To provide a technology for removing, from a natural gas, carbon dioxide that has leaked due to an operation change even when the operation change occurs in a carbon dioxide removal part for removing the carbon dioxide contained in the natural gas by using an absorption liquid. [Solution] This natural gas pretreatment system is provided with: a carbon dioxide removal part 13 for removing carbon dioxide from a natural gas by bringing an absorption liquid into contact with the natural gas; and a moisture removal part 14 for removing moisture by circulating the natural gas through a packed bed containing a moisture adsorbent, wherein the packed bed contains a carbon dioxide adsorbent for adsorbing and removing the carbon dioxide which has not been completely removed in the carbon dioxide removal part 13, and, at an outlet side of the moisture removal part 13, the concentration of carbon dioxide included in the natural gas is measured by an outlet-side carbon dioxide measurement part 36.
Inventors:
KAKUTANI YUZURU (JP)
FURUBAYASHI YUGO (JP)
UCHIDA HIROKATSU (JP)
FURUBAYASHI YUGO (JP)
UCHIDA HIROKATSU (JP)
Application Number:
PCT/JP2019/024327
Publication Date:
December 24, 2020
Filing Date:
June 19, 2019
Export Citation:
Assignee:
JGC CORP (JP)
International Classes:
B01D53/04; B01D53/14; B01D53/26; B01D53/28; B01J20/18; C10L3/10; F25J1/00
Domestic Patent References:
| WO2017033217A1 | 2017-03-02 | |||
| WO2007007571A1 | 2007-01-18 |
Foreign References:
| US20140224118A1 | 2014-08-14 | |||
| JP2010209296A | 2010-09-24 |
Attorney, Agent or Firm:
YAYOY PATENT OFFICE (JP)
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