KR880008829A - 고순도 질소 제조방법 및 장치 - Google Patents

고순도 질소 제조방법 및 장치 Download PDF

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KR880008829A
KR880008829A KR870006935A KR870006935A KR880008829A KR 880008829 A KR880008829 A KR 880008829A KR 870006935 A KR870006935 A KR 870006935A KR 870006935 A KR870006935 A KR 870006935A KR 880008829 A KR880008829 A KR 880008829A
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high purity
adsorption
purity nitrogen
adsorption tower
synthetic zeolite
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KR870006935A
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KR900007860B1 (ko
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이찌로오 후나다
도시오 미다
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마끼 후유히꼬
가부시끼가이샤 고오베세이꼬오쇼
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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
    • B01D53/06—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 moving adsorbents, e.g. rotating 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
    • 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
    • B01D53/0473—Rapid 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
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/16—Alumino-silicates
    • B01J20/18—Synthetic zeolitic molecular sieves
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/04—Purification or separation of nitrogen
    • C01B21/0405—Purification or separation processes
    • C01B21/0433—Physical processing only
    • C01B21/045—Physical processing only by adsorption in solids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/04—Purification or separation of nitrogen
    • C01B21/0405—Purification or separation processes
    • C01B21/0433—Physical processing only
    • C01B21/045—Physical processing only by adsorption in solids
    • C01B21/0455—Physical processing only by adsorption in solids characterised by the adsorbent
    • C01B21/0466—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
    • B01D2253/10—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
    • B01D2253/30—Physical properties of adsorbents
    • B01D2253/302—Dimensions
    • B01D2253/308—Pore size
    • 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
    • B01D2253/30—Physical properties of adsorbents
    • B01D2253/302—Dimensions
    • B01D2253/31—Pore size distribution
    • 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
    • B01D2257/102—Nitrogen
    • 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
    • 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
    • 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)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

내용 없음.

Description

고순도 질소 제조방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 평균접촉시간과 제품 N2가스 순도와의 관계를 도시한 그래프.
제2도는 N2가스제조용 PSA장치의 개략을 도시한 설명도.
제3도는 제2도 PSA 장치에 있어서의 흡착탑 1탑의 공정순서를 도시한 설명도.

Claims (7)

  1. N2주성분으로 하고 O2를 함유하는 가스를 흡착탑내에 도입해서 N2를 흡착제에 흡착시켜, 이 흡착탑을 감안하므로써 고순도 N2를 탈착회수하는 압력 스윙 흄착방법에 있어서, 상기 흡착제로서 합성제올라이트를 사용함과 동시에, T=L/V 단, L는 상기 흡착제의 충전길이(단위 : m) V는 상기 흡착탑의 흡착공정에 있어서의 평균 공탑속도(단위 : m초)로 표시되는 평균접촉시간(T)(단위 : 초)을 30초 이하로 하는 것을 특징으로 하는 고순도 질소 제조방법.
  2. 제1항에 있어서, 합성제올라이트로서 베이컨시 직경 7 내지 10Å의 것을 사용하는 것을 특징으로 하는 고순도 질소 제조방법.
  3. 제2항에 있어서, 합성제올라이트로서 베이컨시 직경 7 내지 10Å의 베이컨시를 가지는 것이 95％ 이상을 차지하는 것을 사용하는 것을 특징으로 하는 고순도 질소 제조방법.
  4. 제1항 내지 제3항중 어느 하나에 있어서, 흡착탑의 탈착공정에 앞서서, 제조된 고순도 N2의 일부를 이 흡착탑에 세정가스로서 공급하고 이 흡착탑내의 잔존 O2를 치환 제거하고, 치환후의 배기가스를 다른 흡착탑에 보내서 이 배기가스 중의 N2를 흡착시키는 것을 특징으로 하는 고순도 질소 제조방법.
  5. 제1항 내지 제4항중 어느 하나에 있어서, 원료가스, 세정가스 및 치환후의 배기가스의 흡착탑으로의 도입은, 흡착탑내의 가스흐름이 동일 방향으로 되도록 하는 것을 특징으로 하는 고순도 질소 제조방법.
  6. 흡착탑내 흡착제에 N2를 흡착시켜, 이 N2를 감압탈착에 의해 고순도로 분리회수하는 압력스윙흡착 장치이고, 상기 흡착탑에는 베이컨시직경 7 내지 10Å으로 조정된 합성제올라이트를 충전해서 이루어지는 것을 특징으로 하는 고순도 질소 제조장치.
  7. 제6항에 있어서, 빈구멍지름 7 내지 10Å의 것이 95％ 이상을 차지하는 합성제올라이트를 충전한 것을 특징으로 하는 고순도 질소 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870006935A 1987-01-19 1987-07-01 고순도 질소제조방법 및 장치 KR900007860B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62011105A JPS63182206A (ja) 1987-01-19 1987-01-19 高純度窒素製造方法及び装置
JP62-11105 1987-01-19
JP?62-11105 1987-01-24

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KR880008829A true KR880008829A (ko) 1988-09-13
KR900007860B1 KR900007860B1 (ko) 1990-10-22

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ID=11768728

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KR1019870006935A KR900007860B1 (ko) 1987-01-19 1987-07-01 고순도 질소제조방법 및 장치

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EP (1) EP0284448A1 (ko)
JP (1) JPS63182206A (ko)
KR (1) KR900007860B1 (ko)
BR (1) BR8703940A (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2647431B1 (fr) * 1989-05-24 1991-08-16 Air Liquide Procede et installation de production d'oxygene gazeux sous haute pression
CA2037985A1 (en) * 1990-03-23 1991-09-24 Robert C. Gmelin Economical air separator
US5441558A (en) * 1994-08-09 1995-08-15 Air Products And Chemicals, Inc. High purity nitrogen PSA utilizing controlled internal flows
US5584194A (en) * 1995-10-31 1996-12-17 Gardner; Thomas W. Method and apparatus for producing liquid nitrogen
CN111232937A (zh) * 2020-03-03 2020-06-05 杭州誉顺科技有限公司 一种多塔循环变压吸附制氮的装置及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1437600A (en) * 1972-05-17 1976-05-26 Boc International Ltd Gas separation
JPS5829319B2 (ja) * 1974-09-12 1983-06-22 第一工業製薬株式会社 コレステロ−ルオブンリスルホウホウ
JPS52152893A (en) * 1976-06-15 1977-12-19 Toray Ind Inc Separation and recovery of nitrogen
US4194891A (en) * 1978-12-27 1980-03-25 Union Carbide Corporation Multiple bed rapid pressure swing adsorption for oxygen
JPS5681119A (en) * 1979-12-07 1981-07-02 Toray Ind Inc Separation of mixed gas
EP0196103A3 (en) * 1985-03-28 1988-07-13 Air Products And Chemicals, Inc. Maximum aluminum x-type zeolite adsorbents

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JPS63182206A (ja) 1988-07-27
BR8703940A (pt) 1988-08-09
JPH0555171B2 (ko) 1993-08-16
KR900007860B1 (ko) 1990-10-22
EP0284448A1 (en) 1988-09-28

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