KR970020938A - 기체 혼합물로부터 염소의 선택적 분리 및 회수 - Google Patents

기체 혼합물로부터 염소의 선택적 분리 및 회수 Download PDF

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Publication number
KR970020938A
KR970020938A KR1019960043654A KR19960043654A KR970020938A KR 970020938 A KR970020938 A KR 970020938A KR 1019960043654 A KR1019960043654 A KR 1019960043654A KR 19960043654 A KR19960043654 A KR 19960043654A KR 970020938 A KR970020938 A KR 970020938A
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chlorine
desorption
distillation column
column
separation column
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KR1019960043654A
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KR100464899B1 (ko
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오토 바쩬베르거
요아힘 페핀거
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랑핑거, 스타인호프
바스프 악티엔게젤샤프트
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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
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/03—Preparation from chlorides
    • C01B7/04—Preparation of chlorine from hydrogen chloride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/07—Purification ; Separation
    • C01B7/0743—Purification ; Separation of gaseous or dissolved chlorine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/141—Fractional distillation or use of a fractionation or rectification column where at least one distillation column contains at least one dividing wall
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00—Purification or separation of specific gases
    • C01B2210/0001—Separation or purification processing
    • C01B2210/0009—Physical processing
    • C01B2210/0014—Physical processing by adsorption in solids
    • 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
    • Y02P20/20—Improvements relating to chlorine production

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Gas Separation By Absorption (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)

Abstract

본 발명은 염소 분리 컬럼의 상부와 탈착 증류 컬럼의 윗 부분 및 탈착 증류 컬럼의 아랫 부분과 염소 분리 컬럼의 저부가 기체측 및 액체측에 서로 연결되는 형태로 염소 분리 컬럼과 커플링된 탈착 증류 컬럼에서 탈착 증류를 수행하는 것으로 이루어지고, 흡수제/염소 혼합물이 탈착 증류 컬럼에 배타적으로 공급되고, 고순도의 염소가 염소 분리 컬럼의 중간 부분으로부터 배출되는 것인, 불활성 흡수제를 사용하여 염소를 흡수하고, 흡수제/염소 혼합물을 탈착 증류 컬럼으로 공급함으로써 흡수 단계로부터의 배출된 흡수제/염소 혼합물로부터 염소를 다운스트림 탈착하는 것에 의한 염소 함유 공급 기체로부터 고순도의 염소를 분리하는 방법에 관한 것이다.

Description

기체 혼합물로부터 염소의 선택적 분리 및 회수
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 염소 분리 유닛을 도시한 도면,
제2도는 염소의 이슬점 곡선,
제3도는 염소 회수용 흡수/탈착 플랜트의 도면,
제4도는 염소의 정제 증류를 갖춘 제3도의 염소 회수용 흡수/탈착 플랜트의 도면,
제5도는 전 공정을 나타낸 도면,
제6도는 압력 스윙 흡착기를 갖춘 염소 회수 플랜트의 도면,
제7도는 염소 사이드(side) 컬럼을 갖춘 염소 회수 플랜트의 도면,
제8도는 분배 컬럼을 갖춘 염소 회수 플랜트의 도면,
제9도는 제8도에 대응하는 유출 기체 처리 유닛의 도면,
제10도는 압력 스윙 흡착의 저온 증류 다운스트림을 갖춘 염소 회수 플랜트의 도면.

Claims (3)

  1. 염소 분리 컬럼의 상부와 탈착 증류 컬럼의 윗 부분 및 탈착 증류 컬럼의 아랫 부분과 염소 분리 컬럼의 저부가 기체측 및 액체측에 서로 연결되는 형태로 염소 분리 컬럼과 커플링된 탈착 증류 컬럼에서 탈착 증류를 수행하는 것으로 이루어지고, 흡수제/염소 혼합물이 탈착 증류 켠럼에 배타직으로 공급되고, 고순도의 염소가 염소 분리 컬럼의 중간 부분으로부터 배출되는 것인, 불활성 흡수제를 사용한 염소 흡수, 및 흡수제/염소 혼합물을 탈착 증류 컬럼에 공급함으로써 흡수 단계로부터의 배출된 흡수제/염소 혼합물로부터의 염소를 다운스트림 탈착에 의한 염소 함유 공급 기체로부터 고순도의 염소를 분리하는 방법.
  2. 제1항에 있어서, 증기가 탈착 증류 컬럼의 아랫 부분으로부터 염소 분리 컬럼의 저부로 통과되고, 액체가 탈착 증류 컬럼의 윗 부분으로부터 염소 분리 컬럼의 상부로 통과되고, 염소 분리 컬럼으로부터 배출된 증기가 탈착 증류 컬럼의 액체 배출 높이에서 탈착 증류 컬럼으로 재통과되고, 염소 분리 컬럼의 저부에서 배출된 물질이 중기 배출 높이에서 탈착 증류 컬럼으로 재통과되는 방법.
  3. 염소 함유 기체 스트림을 먼저 압력 스윙 흡착하고, 압력 스윙 흡착에 의해 얻은 염소 함유 기체를 1-20바, 바람직하게는 5-10바의 압력으로 압축하고 난 후, 저온 증류하여, 증류 컬럼의 저부 생성물로서 순수형태로 염소를 분리하고, 증류 컬럼의 상부 생성물을 압력 스윙 흡착의 공급 기체 스트림으로 재통과시키는 것으로 이루어진 염소 함유 기체 스트림으로부터 순수 염소를 분리하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960043654A 1995-10-04 1996-10-02 기체혼합물로부터염소의선택적분리및회수 KR100464899B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19536976.9 1995-10-04
DE19536976A DE19536976A1 (de) 1995-10-04 1995-10-04 Verfahren zur selektiven Abtrennung und Wiedergewinnung von Chlor aus Gasgemischen

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KR970020938A true KR970020938A (ko) 1997-05-28
KR100464899B1 KR100464899B1 (ko) 2005-04-06

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US (1) US5788743A (ko)
EP (1) EP0767138B1 (ko)
JP (1) JP4011139B2 (ko)
KR (1) KR100464899B1 (ko)
CN (2) CN1158213C (ko)
DE (2) DE19536976A1 (ko)
ES (1) ES2144182T3 (ko)
MY (1) MY123056A (ko)
TW (1) TW328912B (ko)

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TW328912B (en) 1998-04-01
DE59604163D1 (de) 2000-02-17
DE19536976A1 (de) 1997-04-10
JP4011139B2 (ja) 2007-11-21
US5788743A (en) 1998-08-04
CN1158213C (zh) 2004-07-21
EP0767138A1 (de) 1997-04-09
CN1329288C (zh) 2007-08-01
ES2144182T3 (es) 2000-06-01
CN1590279A (zh) 2005-03-09
MY123056A (en) 2006-05-31
CN1155512A (zh) 1997-07-30
EP0767138B1 (de) 2000-01-12
KR100464899B1 (ko) 2005-04-06
JPH09132401A (ja) 1997-05-20

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