KR970020157A - 염기 처리된 알루미나를 압력 스윙 흡착에 이용하는 방법 - Google Patents

염기 처리된 알루미나를 압력 스윙 흡착에 이용하는 방법 Download PDF

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KR970020157A
KR970020157A KR1019960043353A KR19960043353A KR970020157A KR 970020157 A KR970020157 A KR 970020157A KR 1019960043353 A KR1019960043353 A KR 1019960043353A KR 19960043353 A KR19960043353 A KR 19960043353A KR 970020157 A KR970020157 A KR 970020157A
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impregnation solution
pressure
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gas
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KR1019960043353A
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크리스토퍼 골든 티모시
윌리엄 테일러 프레드
윌슨 왕 앤드류
알리 칼바씨 모하메드
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윌리엄 에프. 마쉬
에어 프로덕츠 앤드 케미칼스, 인코오포레이티드
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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
    • 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
    • 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
    • B01D53/047—Pressure swing adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
    • 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
    • B01D2253/104—Alumina
    • 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
    • B01D2256/22—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • 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
    • B01D2259/40043—Purging
    • B01D2259/4005—Nature of purge gas
    • B01D2259/40052—Recycled product or process gas
    • 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
    • B01D2259/40043—Purging
    • B01D2259/4005—Nature of purge gas
    • B01D2259/40056—Gases other than recycled product or process gas
    • 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
    • B01D2259/402—Further details for adsorption processes and devices using two beds
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S95/00—Gas separation: processes
    • Y10S95/90—Solid sorbent

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
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  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)

Abstract

본 발명은 가스 스트림에서 CO2를 제거하기 위한 압력 스윙 흡착(pressure swing adsorption)에 관한 것으로서, 본 발명은 출발 알루미나를 pH가 9 이상인 염기성 용액, 예컨대 KHCO3와 같은 염기성 화합물에 침지시키고, 상기 염기성 화합물이 분해되는 것을 회피할 정도로 충분히 낮은 온도로 건조시켜서 상기 화합물이 감압의 소기(purge)하에서 재생되지 않도록 CO2를 흡착하는 개선된 알루미나를 사용한다.

Description

염기 처리된 알루미나를 압력 스윙 흡착에 이용하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (10)

  1. 제1압력에서 가스를, pH가 9 이상인 염기성 용액에 알루미나를 함침시킴으로써 제조한 흡착제에 노출시켜 상기 가스로부터 이산화탄소를 제거하고, 압력을 낮추어 상기 흡착제를 상기 제1압력보다 낮은 압력에 노출시킴으로써 흡착제를 주기적으로 재생시키는 단계를 포함하는, 가스로부터 이산화탄소를 흡착하기 위한 압력 스윙 흡착 방법.
  2. 제1항에 있어서, 함침 용액의 pH가 10 이상인 방법.
  3. 제1항에 있어서, 함침 용액의 pH가 10 내지 12인 방법.
  4. 제1항에 있어서, 함침 용액의 pH가 약 11인 방법.
  5. 제1항에 있어서, 함침 용액의 pH가 하기 수학식(1)에 따른 알루미나의 영 전위점(zero point charge)과의 상관관계를 갖는 방법:
    pH≥zpc-1.4 (1)
  6. 제5항에 있어서, 함침 용액의 pH가 하기 수학식(2)에 따른 알루미나의 영 전위점과의 상관관계를 갖는 방법:
    zpc+2≤pH≤-1.4 (2)
  7. 제1항에 있어서, 함침 용액의 pH가 하기 수학식(3)에 따른 알루미나의 영 전위점과의 상관관계를 갖는 방법:
    zpc+1≤pH≥zpc-1 (3)
  8. 제1항에 있어서, 염기성 용액이 알칼리 금속 또는 암모늄 화합물의 용액인 방법.
  9. 제1항에 있어서, 화합물이 수산화물, 탄산염, 중탄산염, 인산염, 및 유기산염으로 구성된 군에서 선택되는 방법.
  10. 제1항에 있어서, 가스가 흡착 공정에 앞서 이산화탄소를 1000ppm 이하로 포함하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960043353A 1995-10-04 1996-10-01 염기 처리된 알루미나를 압력 스윙 흡착에 이용하는 방법 KR100192691B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/538,876 US5656064A (en) 1995-10-04 1995-10-04 Base treated alumina in pressure swing adsorption
US8/538,876 1995-10-04
US08/538,876 1995-10-04

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KR970020157A true KR970020157A (ko) 1997-05-28
KR100192691B1 KR100192691B1 (ko) 1999-06-15

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US (2) US5656064A (ko)
EP (1) EP0766991B1 (ko)
JP (1) JP2785870B2 (ko)
KR (1) KR100192691B1 (ko)
CN (1) CN1076978C (ko)
CA (1) CA2186681C (ko)
DE (1) DE69626913T2 (ko)
ES (1) ES2194959T3 (ko)
NO (1) NO316950B1 (ko)
TW (1) TW306884B (ko)

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CA2186681A1 (en) 1997-04-05
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