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KR830008536A - 혼합가스의 흡착 분리 방법 - Google Patents

혼합가스의 흡착 분리 방법 Download PDF

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KR830008536A
KR830008536A KR1019810004833A KR810004833A KR830008536A KR 830008536 A KR830008536 A KR 830008536A KR 1019810004833 A KR1019810004833 A KR 1019810004833A KR 810004833 A KR810004833 A KR 810004833A KR 830008536 A KR830008536 A KR 830008536A
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gas
adsorption
pressure
mixed gas
tower
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KR860000190B1 (ko
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다쯔오 아미다니
마사요시 구보
겡이찌 마에하라
준 이즈미
히로유끼 쯔따야
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야노 다까시
미쓰비시주우 고오교오 가부시기 가이샤
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Priority claimed from JP55183820A external-priority patent/JPS57107219A/ja
Priority claimed from JP55183818A external-priority patent/JPS57107217A/ja
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/25—Coated, impregnated or composite adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/10—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/12—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/104—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40013—Pressurization
    • B01D2259/40015—Pressurization with two sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/4002—Production
    • B01D2259/40022—Production with two sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40028—Depressurization
    • B01D2259/40032—Depressurization with three sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40035—Equalization
    • B01D2259/40037—Equalization with two sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40035—Equalization
    • B01D2259/40041—Equalization with more than three sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
    • B01D2259/40067—Seven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/403—Further details for adsorption processes and devices using three beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B01D53/0476—Vacuum pressure swing adsorption

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  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

내용 없음

Description

혼합가스의 흡착분리방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제4도는 본 발명에 관한 혼합가스의 흡착분리방법의 실시에 사용하는 장치의 일례를 표시한 계통도.

Claims (9)

  1. 원료가스를 흡착탑에 공급해서 흡착이 쉬운 성분가스를 흡착시켜, 비흡착가스를 동 흡착탑으로부터 꺼내는 흡착공정과, 동 흡착탑을 감압해서 흡착이 쉬운 성분가스를 탈착시켜서 회수하는 탈착공정을, 복수의 흡착탑에서 시기를 달리해서 반복행하는 흡착분리방법에 있어서, 탈착공정의 개시로서, 흡착완료한 탑내의 1차감압시에 송출되는 혼합가스를 "저압흡착으로 송출된 비흡착가스 또는 1차 감압시에 송출되는 혼합가스, 또는 그 양자에 의해서, 탈착공정종료후, 흡착압력과 탈착압력과의 중간압력에 승압된" 흡착탑에 공급해서, 이 혼합가스속의 흡착이 쉬운 성분가스를 흡착시키는 저압흡착공정을 행하므로서, 1차감압으로 송출되는 압력을 가진, 흡착이 쉬운성분가스의 농도가 낮은 혼합가스를 유효하게 이용하는 것을 특징으로 하는 혼합가스의 흡착분리방법.
  2. 제1항에 있어서, 1차감압완료한 탑내를 대기 개방하므로서 2차감압하고, 또한 진공펄프로 2차감압완료한 탑을 감압하므로서 흡착제가 흡착되어 있던 흡착이 쉬운 성분가스를 탈착시키는 것을 특징으로한 혼합가스의 흡착분리방법.
  3. 제1항에 있어서, 1차가압완료 한 탑 내를 대략 원료가스중의 흡착이 쉬운 성분가스분압까지 2차감압하고, 또한 저압합측공정에서 송출된 비흡착가스에 의해서 2차감압완료한 탑 내를 소기(掃氣)하므로서, 흡착제가 흡착되어 있던 흡착이 쉬운 성분가스를 탈착시키는 것을 특징으로 한 혼합가스의 흡착분리방법.
  4. 제1항내지 제3항에 있어서, 2차감압공정시 송출되는 혼합가스를, 저압흡착압력까지 승압하여, 1차감압시 송출되는 혼합가스와 함께 또는 이 혼합가스에 계속해서, 저압흡착압력에 승압된 흡착탑에 공급해서, 양 혼합가스중의 흡착이 쉬운 성분가스를흡착시키므로서, 원료가스중의 흡착이 쉬운 성분가스와 흡착이 어려운 성분가스의 수율을 높이고, 또한 동력원 단위를 내리는 것을 특징으로 한 혼합가스의 흡착분리 방법.
  5. 제1항 내지 제3항에 있어서 계밖으로 송출되는 흡착이 쉬운 성분가스가 풍부한 가스중의 흡착이 쉬운 성분가스농도의 허용치내에 있어서 2차 감압공정시 송출되는 혼합가스의 일부 또는 전부를 탈착공정시의 흡착탑으로부터 송출되는 가스와 함께 계 밖으로 송출시키므로서, 흡착이 쉬운 성분가스의 수율을 높이는 것을 특징으로 한 혼합가스의 흡착분리방법.
  6. 제1항내지 제5항에 있어서, 저압흡착의 최종공정을 완료한 탑을, 고압흡착공정시에 송출된 고압의 비흡착가스의 일부로, 또는, 공급원료가스로, 또는 고압 흡착공정시에 송출된 고압의 비흡착가스의 일부 및 공급 고압원료가스의 양쪽으로 고압송출하는 것을 특징으로한 혼합가스의 흡착분리방법.
  7. 제1항 내지 제5항에 있어서, 1차 감압공정 또는 혹은 2차 감압공정에서 송출되는 혼합가스를 탱크를 개재해서, 저압흡착공정중의 탑에 공급하므로서, 저압흡착공정과 1차, 2차감압공정과를 동기시킬 필요가 없는 것을 특징으로 한 혼합가스의 흡착분리방법.
  8. 제1항내지 제7항에 있어서, 2차감압공정시에 탑의 원료가스공급측으로부터, 또는 이 탑의 원료가스 공급측 및 비흡착가스송출측의 양측으로부터 혼합가스를 송출하는 것을 특징으로 하는 혼합가스의 흡착분리 방법.
  9. 제1항내지 제8항에 있어서, 흡착탑에 충전하는 흡착제가, 공업적으로 순수한 4A형 제올라이트에 적어도 "2가 이상의 하수(荷數)를 가진 철"를 가해서 만든 공기중에서 산소를 선택적으로 흡착하는 흡착제인 것을 특징으로 하는 혼합가스의 흡착분리방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019810004833A 1980-12-26 1981-12-10 혼합가스의 흡착분리방법 Expired KR860000190B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP55183817A JPS57107216A (en) 1980-12-26 1980-12-26 Separation by adsorption for mixed gas
JP55183820A JPS57107219A (en) 1980-12-26 1980-12-26 Method for adsorption and separation of gaseous mixture
JP55-183820 1980-12-26
JP55-183818 1980-12-26
JP55183818A JPS57107217A (en) 1980-12-26 1980-12-26 Method for adsorption and separation of gaseous mixture
JP55-183817 1980-12-26

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Publication Number Publication Date
KR830008536A true KR830008536A (ko) 1983-12-10
KR860000190B1 KR860000190B1 (ko) 1986-03-03

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KR1019810004833A Expired KR860000190B1 (ko) 1980-12-26 1981-12-10 혼합가스의 흡착분리방법

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KR (1) KR860000190B1 (ko)
DE (1) DE3150688A1 (ko)
FR (1) FR2497120A1 (ko)
GB (1) GB2090161B (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4461630A (en) * 1982-09-30 1984-07-24 Union Carbide Corporation Product recovery in pressure swing adsorption process and system
CN109985485B (zh) * 2019-04-29 2021-06-22 南京兆博环保科技有限公司 一种高浓度气体吸附回收净化的装置和方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL278457A (ko) * 1961-05-16
US3252268A (en) * 1963-04-01 1966-05-24 Exxon Research Engineering Co Gas separation by adsorption process
US3636679A (en) * 1971-01-04 1972-01-25 Union Carbide Corp Selective adsorption gas separation process
US3738087A (en) * 1971-07-01 1973-06-12 Union Carbide Corp Selective adsorption gas separation process
DE2338964C2 (de) * 1973-08-01 1985-05-30 Bayer Ag, 5090 Leverkusen Adsorptionsverfahren zur Reinigung von Gasen und Trennung von Gasgemischen
US3986849A (en) * 1975-11-07 1976-10-19 Union Carbide Corporation Selective adsorption process
DE3171473D1 (en) * 1980-05-23 1985-08-29 Mitsubishi Heavy Ind Ltd Oxygen adsorbent and process for the separation of oxygen and nitrogen using same

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GB2090161A (en) 1982-07-07
GB2090161B (en) 1985-05-01
DE3150688A1 (de) 1982-07-08
FR2497120B1 (ko) 1984-11-30
FR2497120A1 (fr) 1982-07-02
KR860000190B1 (ko) 1986-03-03

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