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KR930007806A - Separation method of CO gas not containing CH_4 - Google Patents

Separation method of CO gas not containing CH_4 Download PDF

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Publication number
KR930007806A
KR930007806A KR1019920018981A KR920018981A KR930007806A KR 930007806 A KR930007806 A KR 930007806A KR 1019920018981 A KR1019920018981 A KR 1019920018981A KR 920018981 A KR920018981 A KR 920018981A KR 930007806 A KR930007806 A KR 930007806A
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South Korea
Prior art keywords
gas
adsorption
tower
supplying
adsorption tower
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Application number
KR1019920018981A
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Korean (ko)
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KR0160783B1 (en
Inventor
신노스케 이쿠미
쇼이치 이바라기
Original Assignee
이시이 야스노 스케
미쯔이 조센 가부시키 가이샤
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Publication of KR930007806A publication Critical patent/KR930007806A/en
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Publication of KR0160783B1 publication Critical patent/KR0160783B1/en

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/40—Carbon monoxide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

CO가스 회수율을 유지하면서, 실질적으로 CH₄를 함유하지 않는 CO가스를 분리하는 방법을 제공함을 목적으로 하며, H₂, CO, CH₄, CO₂ 및 H₂O로 이루어지는 원료가스에서 4탑식 압력 스윙 흡착법에 의해서 CO가스를 분리하는 방법이고, 흡착탑에 상기 원료가스를 공급하여 H₂가스를 회수함과 동시에, 채, CH₄, CO₂, 및 H₂O를 흡착시키는 흡착공정, 그 흡착공정과 동일방향으로 전기 흡착탑 내를 감압하여, H₂가스를, 이어서 CO가스를 회수하고, 최후로 배출시키는 CH₄가스를 함유하는 CO가스를 승압하여, 상기 원료가스와 혼합해서 상기 흡착탑에 공급하는 감압공정, 상기 회수한 H₂가스의 일부를 상기 흡착공정과 역방향으로 공급해서 상기 흡착탑에서 CO₂, CH₄ 및 CO가스를 탈착 제거하는 피지공정, 및 전기 회수H₂가스의 일부로 전기 흡착탑 내를 승압하는 승압공정을, 이의 순서로 상기 넷의 흡착탑에 순차로 되풀이하여 행한다. CO가스 회수율의 저하를 방지하면서, CH₄함유율이 20ppm이하의 CO를 분리할 수가 있다.It is an object of the present invention to provide a method for separating CO gas substantially free of CH₄ while maintaining the CO gas recovery rate. The CO gas is supplied by a four- tower pressure swing adsorption method from a source gas consisting of H₂, CO, CH₄, CO₂, and H₂O. Is a method of separating and recovering the H 2 gas by supplying the raw material gas to the adsorption tower, and simultaneously adsorbing CH, CO 2, and H 2 O, and depressurizing the inside of the electric adsorption column in the same direction as the adsorption step. The decompression process of boosting the CO gas containing CH2 gas to recover the H2 gas, and then finally discharging the CO gas, mixing the raw material gas and supplying it to the adsorption tower, and partially absorbing the recovered H2 gas. Fiji process for desorption and removal of CO2, CH₄ and CO gas from the adsorption tower by supplying in the reverse direction of the process, and boosting the pressure inside the electrosorption tower as part of the electricity recovery H2 gas. It is carried out repeatedly in this order in the adsorption tower of the four step-up process, in order thereof. It is possible to separate CO having a CH₄ content of 20 ppm or less while preventing a decrease in the CO gas recovery rate.

Description

CH₄를 함유하지 않는 CO가스의 분리방법Separation method of CO gas not containing CH₄

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 실시예를 보이는 공정도.1 is a process diagram showing an embodiment of the present invention.

Claims (2)

H2, CO, CH4, CO2, 및 H2O로 이루어지는 원료가스에서 4탑식 압력 스윙 흡착법에 의해서 CO가스를 분리하는 방법이고, 흡착탑에 상기 원료가스를 공급하여 H2가스를 회수함과 동시에, CO, CH4, CO2, 및 H2O를 흡착시키는 흡착공정, 그 흡착공정과 동일방향으로 전기 흡착탑 내를 감압하여, H2가스를 회수하고, 최후로 배출시키는 CH4가스를 함유하는 CO가스를 승압하여, 상기 원료가스와 혼합해서 상기 흡착탑에서 공급하는감압공정, 성기 회수한 H2가스의 일부를 상기 흡착공정과 역방향으로 공급해서 상기 흡착탑에서 CO2, CH4, 및 CO가스를 탈착 제거하는 피지공정, 및 전기 회수H2가스의 일부로 전기 흡착탑 내를 승압하는 승압 공정을, 이의 순서로 상기 넷의 흡착탑에 순차로 되풀이하여 행하는 것을 특징으로 하는, CH4를 함유하지 않는 CO가스의 분리방법.A method of separating CO gas from a source gas consisting of H 2 , CO, CH 4 , CO 2 , and H 2 O by a four- tower pressure swing adsorption method, and recovering H 2 gas by supplying the source gas to an adsorption tower. At the same time, the adsorption step of adsorbing CO, CH 4 , CO 2 , and H 2 O contains the CH 4 gas, which is depressurized in the electric adsorption column in the same direction as the adsorption step, to recover H 2 gas and finally discharged. To reduce the pressure of the CO gas to be mixed with the raw material gas and to supply the gas from the adsorption column, and to supply a portion of the H 2 gas that has been collected in the reverse direction to the adsorption process to supply CO 2 , CH 4 , and CO gas from the adsorption tower. containing no, CH 4, characterized in that for performing repeatedly in this order in the adsorption tower of the four step-up step of the step-up the electrolyte absorption tower as a part of the supported processes, and electrical recovery H 2 gas to remove desorbed, as its sequence the CO Gas Li method. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920018981A 1991-10-23 1992-10-15 Separating method for carbon monoxide not containing methane KR0160783B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP91-275348 1991-10-23
JP3275348A JP2587334B2 (en) 1991-10-23 1991-10-23 Method of separating CO gas not containing CH4

Publications (2)

Publication Number Publication Date
KR930007806A true KR930007806A (en) 1993-05-20
KR0160783B1 KR0160783B1 (en) 1998-11-16

Family

ID=17554223

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920018981A KR0160783B1 (en) 1991-10-23 1992-10-15 Separating method for carbon monoxide not containing methane

Country Status (2)

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JP (1) JP2587334B2 (en)
KR (1) KR0160783B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101684296B1 (en) * 2015-12-02 2016-12-08 주식회사 이앤켐솔루션 Continuous ammonia recovery system using the sequential type
KR20170042655A (en) * 2014-08-12 2017-04-19 에아.워타 가부시키가이샤 Hydrogen gas purification method and purification device for same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1073875C (en) * 1997-10-24 2001-10-31 化学工业部西南化工研究设计院 Pressure swing adsorption process for separating carbon monooxide from carbon monooxide contg. mixed gas

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170042655A (en) * 2014-08-12 2017-04-19 에아.워타 가부시키가이샤 Hydrogen gas purification method and purification device for same
KR101684296B1 (en) * 2015-12-02 2016-12-08 주식회사 이앤켐솔루션 Continuous ammonia recovery system using the sequential type

Also Published As

Publication number Publication date
JPH05111610A (en) 1993-05-07
KR0160783B1 (en) 1998-11-16
JP2587334B2 (en) 1997-03-05

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