KR860700009A - 직접 열전달 온도 진동 재생을 위한 공정 및 장치 - Google Patents

직접 열전달 온도 진동 재생을 위한 공정 및 장치

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KR860700009A
KR860700009A KR1019850700343A KR850700343A KR860700009A KR 860700009 A KR860700009 A KR 860700009A KR 1019850700343 A KR1019850700343 A KR 1019850700343A KR 850700343 A KR850700343 A KR 850700343A KR 860700009 A KR860700009 A KR 860700009A
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gas
adsorbent
impurities
purge gas
heat transfer
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KR1019850700343A
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KR890000170B1 (ko
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에드거비 바이어 윌리암
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에드워드지, 그리어
유니온 카바이드 코포레이션
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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
    • B01D53/04Separation 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
    • B01D53/0462Temperature swing adsorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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
    • B01D53/04Separation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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
    • B01D53/06Separation 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 moving adsorbents, e.g. rotating beds
    • B01D53/08Separation 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 moving adsorbents, e.g. rotating beds according to the "moving bed" method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/106Silica or silicates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/106Silica or silicates
    • B01D2253/108Zeolites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/50Carbon oxides
    • B01D2257/504Carbon dioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40011Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40077Direction of flow
    • B01D2259/40081Counter-current
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40083Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40088Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
    • B01D2259/4009Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/416Further details for adsorption processes and devices involving cryogenic temperature treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/26Drying gases or vapours
    • B01D53/261Drying gases or vapours by adsorption
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/40Capture or disposal of greenhouse gases of CO2

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

내용 없음

Description

직접 열전달 온도 진동 재생을 위한 공정 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 직접 열전달 온도진동 재생시스템의 한가지 적합한 구체형의 개략도

Claims (19)

  1. (1) 불순물을 함유하는 흡착제와 깨끗한 퍼어즈 가스를 준비하며: (2)뜨거운 퍼어즈 가스와의 직접열전달에 의해 불순물을 함유하는 흡착체를 뜨겁게하여 뜨거운 불순물을 함유하는 흡착제와 차가운 퍼어즈 가스가 되게하며: (3) 차가운 퍼어즈 가스를 가열시켜 뜨거운 퍼어즈 가스가 되게하며: (4)뜨거운 퍼어즈 가스로서 뜨거운 불순물을 함유하는 흡착제를 접촉시켜 불순물이 없는 흡착제와 불순물을 함유하는 퍼어즈 가스가 되게하며: 그리고, (5) 불순물이 없는 흡착제를 깨끗한 퍼어즈 가스와의 직접 열전달에 의해 깨끗하며 차가운 흡착제와 단계(2)의 더운 퍼어즈 가스가 되게하는 단계를 포함하는 것을 특징으로 하는 온도진동 재생에 의한 불순물을 함유하는 흡착제의 세척공정.
  2. 제1항에 있어서, 흡착제가 분자체인 것을 특징으로 하는 공정.
  3. 제1항에 있어서, 흡착제가 실리카겔인 것을 특징으로 하는 공정.
  4. 제1항에 있어서, 흡착제가 활성인 것을 특징으로 하는 공정.
  5. 제1항에 있어서, 불순물이 이산화탄소인 것을 특징으로 하는 공정.
  6. 제1항에 있어서, 불순물이 물인것을 특징으로 하는 공정.
  7. 제1항에 있어서, 퍼어즈 가스가 질소인 것을 특징으로 하는 공정.
  8. 제1항에 있어서, 퍼어즈 가스가 산소인 것을 특징으로 하는 공정.
  9. 제1항에 있어서, 퍼어즈 가스가 공지인 것을 특징으로 하는 공정.
  10. 제1항에 있어서, 단계(2)와 (5)의 열전달 및 단계(3)의 물질전달이 흡착제와 퍼어즈 가스의 역행류 흐름에 의해 수행되는 것을 특징으로 하는 공정.
  11. 제1항에 있어서, 단계(4)의 불순물을 함유하는 퍼어즈 가스가 적어도 부분의 단계(3)의 가열이 제공되도록 단계(2)의 차가운 퍼어즈가스와의 간접 열교환에 의해 차가와지는 것을 특징으로 하는 공정.
  12. 제1항에 있어서, 적어도 부분의 단계(3)의 가열이 외부 가열기에 의해 제공되는 것을 특징으로 하는 공정.
  13. 제1항에 있어서, 흡착제와 퍼어즈 가스가 예열영역내의 점에서 평형상태에 있는 예열영역에서 단계(2)의 열전달이 수행되는 것을 특징으로 하는 공정.
  14. 제1항에 있어서, 스트리핑 영역의 모든 점에서 가스의 온도가 불순물에 관련하는 퍼어지 가스와 흡착제가 평형상태에 있는 온도를 초과하는 스트리핑 영역에서 단계(4)의 물질전달이 수행되는 것을 특징으로 하는 공정.
  15. 퍼어즈 가스와의 직접 열전달에 의해 불순물을 적재한 흡착제의 온도진동 재생을 위한 장치에 있어서, 예열영역, 스트리핑영역, 그리고 복열영역을 가지는 베셀이 포함되는데, 예열영역은 한쪽 종단에 가스출구와 반대쪽 종단에 가스입구를 가지며, 스트리핑 영역은 한쪽 종단에 가스입구와 다른쪽 종단에 가스출구를 가지나 이 가스출구는 가스수거 수단과 흐름연락 관계에 있으며, 복열영역은 한쪽 종단에 가스입구와 다른 종단에 가스출구를 가지나 이 출구는 가스수거 수단과 흐름연락 관계에 있으며, 복열영역 가스출구는 예열영역 가스출구와 흐름연락 관계에 있는것을 특징으로 하는 상기의 장치.
  16. 제15에 있어서, 배셀이 원주형인 것을 특징으로 하는 장치.
  17. 제15에 있어서, 배셀이 수직으로 놓여진 것을 특징으로 하는 장치.
  18. 제15에 있어서, 적어도 하나의 가스입구가 배셀단면적을 교차하여 들어가는 가스를 더욱 균등하게 분배하도록 배셀내부의 가스분배 수단과 통하고 있는것을 특징으로 하는 장치.
  19. 제15항에 있어서, 각각의 영역이 복수의 수직으로 공간을 두었으며, 수평으로 놓여진 관통된 트레이를 포함하는 것을 특징으로 하는 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850700343A 1984-03-29 1985-03-28 직접 열전달 온도 진동 재생을 위한 공정 및 장치 KR890000170B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/594,716 US4511375A (en) 1984-03-29 1984-03-29 Process and apparatus for direct heat transfer temperature swing regeneration
US594,716 1984-03-29
PCT/US1985/000507 WO1985004342A1 (en) 1984-03-29 1985-03-28 Process and apparatus for direct heat transfer temperature swing regeneration

Publications (2)

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KR860700009A true KR860700009A (ko) 1986-01-31
KR890000170B1 KR890000170B1 (ko) 1989-03-09

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Country Link
US (1) US4511375A (ko)
EP (1) EP0158232A1 (ko)
JP (1) JPS61501617A (ko)
KR (1) KR890000170B1 (ko)
AU (1) AU569392B2 (ko)
BR (1) BR8506211A (ko)
CA (1) CA1239597A (ko)
ES (1) ES8608332A1 (ko)
FI (1) FI854717A (ko)
WO (1) WO1985004342A1 (ko)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4812147A (en) * 1985-11-08 1989-03-14 Union Carbide Corporation Multicomponent adsorption process
US4711646A (en) * 1985-11-08 1987-12-08 Union Carbide Corporation Single component adsorption process
US4696681A (en) * 1986-10-01 1987-09-29 The Boc Group, Inc. PSA assembly
US4800027A (en) * 1987-01-27 1989-01-24 Uop Process for continuous application of solid lubricant to moving bed particles
US4786294A (en) * 1987-12-21 1988-11-22 Allied-Signal Inc. Integrated gas purification and thermal conditioning system utilizing molecular sieve adsorption
US5294410A (en) * 1992-06-01 1994-03-15 Solar Turbine Incorporated Gas purification and conditioning system
NL9201179A (nl) * 1992-07-02 1994-02-01 Tno Werkwijze voor het regeneratief verwijderen van kooldioxide uit gasstromen.
US5453112A (en) * 1994-02-02 1995-09-26 Praxair Technology, Inc. Pressure swing adsorption heat recovery
US5730782A (en) * 1995-10-25 1998-03-24 Praxair Technology, Inc. Isobaric moving bed continuous gas purifier
US20060289003A1 (en) * 2004-08-20 2006-12-28 Lackner Klaus S Laminar scrubber apparatus for capturing carbon dioxide from air and methods of use
US20060051274A1 (en) * 2004-08-23 2006-03-09 Wright Allen B Removal of carbon dioxide from air
US20070187247A1 (en) * 2005-07-20 2007-08-16 Lackner Klaus S Electrochemical methods and processes for carbon dioxide recovery from alkaline solvents for carbon dioxide capture from air
JP2009502483A (ja) * 2005-07-28 2009-01-29 グローバル リサーチ テクノロジーズ,エルエルシー 空気からの二酸化炭素除去
US9266051B2 (en) 2005-07-28 2016-02-23 Carbon Sink, Inc. Removal of carbon dioxide from air
RU2008139902A (ru) 2006-03-08 2010-04-20 ГЛОБАЛ РИСЕРЧ ТЕКНОЛОДЖИЗ, ЭлЭлСи (US) Воздухозаборное устройство с функционализированной ионообменной мембраной для улавливания co2 из внешней среды
KR20090086530A (ko) * 2006-10-02 2009-08-13 글로벌 리서치 테크놀로지스, 엘엘씨 공기로부터 이산화탄소를 추출하는 방법 및 장치
US8715393B2 (en) 2007-04-17 2014-05-06 Kilimanjaro Energy, Inc. Capture of carbon dioxide (CO2) from air
KR20100092466A (ko) 2007-11-05 2010-08-20 글로벌 리서치 테크놀로지스, 엘엘씨 공기로부터 이산화탄소의 제거
AU2008326313A1 (en) 2007-11-20 2009-05-28 Global Research Technologies, Llc Air collector with functionalized ion exchange membrane for capturing ambient CO2
MX339437B (es) 2008-02-19 2016-05-26 Global Res Technologies Llc Extraccion y formacion de complejos del dioxido de carbono.
US8999279B2 (en) * 2008-06-04 2015-04-07 Carbon Sink, Inc. Laminar flow air collector with solid sorbent materials for capturing ambient CO2
US20110206588A1 (en) * 2008-08-11 2011-08-25 Lackner Klaus S Method and apparatus for removing ammonia from a gas stream
US20110203311A1 (en) * 2008-08-22 2011-08-25 Wright Allen B Removal of carbon dioxide from air
CN107073385A (zh) 2014-11-10 2017-08-18 国际壳牌研究有限公司 用于从气流中捕获co2的方法
WO2019161114A1 (en) 2018-02-16 2019-08-22 Carbon Sink, Inc. Fluidized bed extractors for capture of co2 from ambient air

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US359494A (en) * 1887-03-15 Hame-fastener
US2636575A (en) * 1947-08-20 1953-04-28 Kenneth M Watson Continuous adsorption process
US2630877A (en) * 1948-11-15 1953-03-10 Union Oil Co Adsorption process and apparatus
US2616515A (en) * 1949-02-21 1952-11-04 Union Oil Co Adsorption process
US2616521A (en) * 1949-02-21 1952-11-04 Union Oil Co Adsorption process
US3093465A (en) * 1959-05-08 1963-06-11 Pan American Petroleum Corp Method for treatment of gases
US3177631A (en) * 1961-06-23 1965-04-13 Kogyokaihatsu Kenkyujo Process for a continuous separation of gases by adsorption utilizing fluidized and moving beds
US3563704A (en) * 1968-08-13 1971-02-16 Westvaco Corp Removal and recovery of sulfur oxides from gases
GB1298818A (en) * 1968-12-20 1972-12-06 Kobe Steel Ltd Separation of oxygen from air
US4012206A (en) * 1972-12-02 1977-03-15 Gas Developments Corporation Air cleaning adsorption process
JPS49129679A (ko) * 1973-04-18 1974-12-12
JPS5214580A (en) * 1975-07-25 1977-02-03 Taiyo Kaken Kk Apparatus for continuosly treating gases
JPS5241170A (en) * 1975-09-30 1977-03-30 Marutani Kakoki Kk Equipment for adsorption
DE2640812A1 (de) * 1976-09-10 1978-03-16 Babcock Ag Verfahren und vorrichtung zum desorbieren und/oder regenerieren eines aus aktivkohle oder aktivkoks bestehenden granulats
DE2809567A1 (de) * 1978-03-06 1979-09-20 Babcock Ag Verfahren und vorrichtung zum thermischen regenrieren von beladenem aktivkoks- oder aktivkohlegranulat
JPS54145374A (en) * 1978-05-02 1979-11-13 Kureha Chem Ind Co Ltd Continuous solvent recovery system
US4231764A (en) * 1978-09-25 1980-11-04 Mattia Manlio M System for removing organic contaminants from air
JPS5551418A (en) * 1978-10-11 1980-04-15 Toho Rayon Co Ltd Method and apparatus for continuously adsorption-desorption
US4306886A (en) * 1978-12-01 1981-12-22 Berg Clyde Multiple stage high temperature stripping zone in a hypersorption process
CA1171799A (en) * 1980-07-30 1984-07-31 Exxon Research And Engineering Company Cyclic adsorption process
US4409006A (en) * 1981-12-07 1983-10-11 Mattia Manlio M Removal and concentration of organic vapors from gas streams

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FI854717A0 (fi) 1985-11-28
WO1985004342A1 (en) 1985-10-10
EP0158232A1 (en) 1985-10-16
ES8608332A1 (es) 1986-06-16
US4511375A (en) 1985-04-16
KR890000170B1 (ko) 1989-03-09
BR8506211A (pt) 1986-04-15
JPS61501617A (ja) 1986-08-07
ES541671A0 (es) 1986-06-16
AU569392B2 (en) 1988-01-28
CA1239597A (en) 1988-07-26
FI854717A (fi) 1985-11-28
AU4154085A (en) 1985-11-01

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