KR950005354A - 산화에틸렌 제조장치의 배출 가스로부터 에틸렌을 회수하는 방법 - Google Patents

산화에틸렌 제조장치의 배출 가스로부터 에틸렌을 회수하는 방법 Download PDF

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KR950005354A
KR950005354A KR1019940021238A KR19940021238A KR950005354A KR 950005354 A KR950005354 A KR 950005354A KR 1019940021238 A KR1019940021238 A KR 1019940021238A KR 19940021238 A KR19940021238 A KR 19940021238A KR 950005354 A KR950005354 A KR 950005354A
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ethylene
recovering
molecular sieve
ethane
sieve carbon
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KR1019940021238A
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야스히로 도미즈까
요시히로 사이또우
교시 이또가
마사노리 쓰지
Original Assignee
호리 도시오
미쓰비시 유까 엔진니아링 가부시끼가이샤
다께다 구니오
다께다 야꾸힝 고오교 가부시끼가이샤
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Publication of KR950005354A publication Critical patent/KR950005354A/ko

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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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
    • C07C7/13—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
    • 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
    • B01D2253/102—Carbon
    • 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
    • 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
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/24—Hydrocarbons
    • 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
    • B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
    • B01D2259/4006—Less than four
    • 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
    • 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
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • 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
    • Y10S95/902—Molecular sieve
    • Y10S95/903—Carbon

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

본 발명은 메탄, 에탄과 같은 포화 탄화수소 및 산소로부터 에틸렌을 분리한 후에 효율적으로 회수하는 것으로 구성되어 있는, 산화 에틸렌 제조 장치로부터 배출된 에틸렌 함유 가스로부터 에틸렌을 경제적으로 회수하기 위한 방법을 제공한다. 상기 방법에서, 배출 가스를 분자체 탄소에 접촉시켜 배출 가스에 포함된 산소의 흡착이 일어나지 않게 선택적으로 에틸렌을 흡착한 후에, 에틸렌을 탈착시키고 회수한다.

Description

산화에틸렌 제조장치의 배출 가스로부터 에틸렌을 회수하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
내용 없음

Claims (7)

  1. 에틸렌을 산화시켜 산화 에틸렌을 제조하는 장치에서 배출된 에틸렌 함유 가스로부터 에틸렌을 회수하는 방법에 있어서, 상기 방법은 에틸렌 함유 배출 가스를 가압하에 분자체 탄소(molecular sieve carbon)에 접촉시켜 가스에 함유된 에틸렌을 선택적으로 흡착시킨 후에, 감압하에 에틸렌을 탈착하고 회수함을 특징으로 하는 에틸렌의 회수 방법.
  2. 제1항에 있어서, 분자체 탄소는 미공의 평균 직경이 3∼5Å이고, 25℃, latm에서의 에틸렌과 에탄의 흡착 계수(즉, 평형 흡착량의 ½을 흡착하는 데에 필요한 시간)가 각각 0.2∼10분 및 40∼3,000분인 것을 특징으로 하는 에틸렌의 회수 방법.
  3. 제1항에 있어서, 분자체 탄소는 25℃, 1atm에서의 에틸렌과 에탄의 평형 흡착량이 각각 0.01~0.3분 및 1~200분인 것을 특징으로 하는 에틸렌의 회수 방법.
  4. 제1항에 있어서, 분자체 탄소는 25℃, 1atm에서의 에틸렌과 에탄의 평형 흡착량이 각각 35∼65Nl/㎏ 및 35∼65Nl/㎏인 것을 특징으로 하는 에틸렌의 회수 방법.
  5. 제1항에 있어서, 배출가스는 약 15∼35부피%의 에틸렌, 45∼65부피%의 메탄을 포함하고 있으며 이산화탄소, 산호 및 아르곤을 각각 1∼8부피%로 포함하고 1부피% 이하의 에탄을 포함하고 있음을 특징으로 하는 에틸렌의 회수 방법.
  6. 제1항에 있어서, 흡착 처리는 5∼20㎏/㎠의 압력 및 20∼50℃의 온도하에서 실시됨을 특징으로 하는 에틸렌의 회수 방법.
  7. 제1항에 있어서, 탈착 처리는 50∼500Torr의 압력 및 -5∼30℃의 온도하에서 실시됨을 특징으로 하는 에틸렌의 회수 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940021238A 1993-08-26 1994-08-26 산화에틸렌 제조장치의 배출 가스로부터 에틸렌을 회수하는 방법 KR950005354A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5-211291 1993-08-26
JP5211291A JPH0760048A (ja) 1993-08-26 1993-08-26 酸化エチレン製造プラント排ガスからのエチレンの回収法

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KR950005354A true KR950005354A (ko) 1995-03-20

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US (1) US5518527A (ko)
EP (1) EP0640376B1 (ko)
JP (1) JPH0760048A (ko)
KR (1) KR950005354A (ko)
CN (1) CN1038017C (ko)
DE (1) DE69406613T2 (ko)
ES (1) ES2108919T3 (ko)
TW (1) TW292977B (ko)

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Publication number Publication date
CN1038017C (zh) 1998-04-15
ES2108919T3 (es) 1998-01-01
EP0640376A2 (en) 1995-03-01
CN1106310A (zh) 1995-08-09
JPH0760048A (ja) 1995-03-07
US5518527A (en) 1996-05-21
EP0640376B1 (en) 1997-11-05
EP0640376A3 (ko) 1995-04-05
DE69406613T2 (de) 1998-03-26
DE69406613D1 (de) 1997-12-11
TW292977B (ko) 1996-12-11

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