KR940021488A - 고체 유기물의 제거방법 - Google Patents

고체 유기물의 제거방법 Download PDF

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Publication number
KR940021488A
KR940021488A KR1019940004922A KR19940004922A KR940021488A KR 940021488 A KR940021488 A KR 940021488A KR 1019940004922 A KR1019940004922 A KR 1019940004922A KR 19940004922 A KR19940004922 A KR 19940004922A KR 940021488 A KR940021488 A KR 940021488A
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South Korea
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volume
oxidation catalyst
temperature
content
deposited
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KR1019940004922A
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KR100280249B1 (ko
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다쓰야 가와지리
히데유끼 히로나까
가쯔유끼 우에까와
미찌오 다니모또
히로미 유노끼
쓰요시 구도오
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다나까 소조
가부시끼가이샤 닛뽕쇼꾸바이
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Publication of KR940021488A publication Critical patent/KR940021488A/ko
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/90—Regeneration or reactivation
    • B01J23/94—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the iron group metals or copper
    • 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
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
    • B01J38/06—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst using steam
    • 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
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
    • B01J38/12—Treating with free oxygen-containing gas
    • 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
    • Y02P20/584—Recycling of catalysts

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

불포화 알데히드 또는 불포화 알데히드 함유 가스를 산화 촉매의 존재하에 접촉 기상 산화하여 대응하는 불포화 카르복실산을 제조할 때 반응계 내에 발생하여 퇴적하는 고체 유기물을 제거하는 방법에 있어서, 이 고체 유기물을 적어도 3용량%의 분자상 산소 및 적어도 0.1용량%의 수증기를 함유하는 혼합가스와 260~450℃의 온도에서 접촉시키는 것을 특징으로 하는 방법.

Description

고체 유기물의 제거방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (12)

  1. 불포화 알데히드 또는 불포화 알데히드 함유 가스를 산화 촉매의 존재하에 접촉 기상 산화하여 대응하는 불포화 카르복실산을 제조할 때 반응계 내에 발생하여 퇴적하는 고체 유기물을 제거하는 방법에 있어서, 고체 유기물을 3용량%이상의 분자상 산소 및 0.1용량%이상의 수증기를 함유하는 혼합가스와 260~420℃의 온도에서 접촉시킴을 특징으로 하는 방법.
  2. 제1항에 있어서, 반응계 내의 기기내에 발생하여 퇴적하는 고체 유기물을 제거하는 방법.
  3. 제2항에 있어서, 분자상 산소의 함량이 3~20용량%인 방법.
  4. 제2항에 있어서, 수증기의 함량이 1~75용량%인 방법.
  5. 제2항에 있어서, 접촉처리를 260~450℃의 범위의 온도에서 실시하는 방법.
  6. 제1항에 있어서, 반응계 내의 산화촉매상에 발생하여 퇴적하는 고체 유기물을 제거함으로써 산화촉매를 재생하는 방법.
  7. 제6항에 있어서, 산화촉매가 몰리브덴-바나듐계 산화촉매인 방법.
  8. 제7항에 있어서, 분자상 산소의 함량이 3~19용량%인 방법.
  9. 제7항에 있어서, 수증기의 함량이 0.1~75용량%인 방법.
  10. 제7항에 있어서, 접촉처리를 300~450℃의 범위의 온도에서 실시하는 방법.
  11. 제1항에 있어서, 환원에 의해 촉매활성이 저하된 산화촉매를 3용량% 이상의 분자상 산소 및 0.1용량% 이상의 수증기를 함유하는 혼합가스와 260~450℃의 온도에서 접촉시킴으로써 재생하는 방법.
  12. 제11항에 있어서, 산화촉매가 몰리브덴-바나듐계 산화촉매인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940004922A 1993-03-12 1994-03-12 고체 유기물의 제거방법 KR100280249B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP93-51875 1993-03-12
JP93-51874 1993-03-12
JP5051875A JP2610090B2 (ja) 1993-03-12 1993-03-12 固体有機物の除去方法
JP5051874A JP2702864B2 (ja) 1993-03-12 1993-03-12 触媒の再生方法

Publications (2)

Publication Number Publication Date
KR940021488A true KR940021488A (ko) 1994-10-19
KR100280249B1 KR100280249B1 (ko) 2001-02-01

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US (1) US5442108A (ko)
EP (1) EP0614872B1 (ko)
JP (2) JP2610090B2 (ko)
KR (1) KR100280249B1 (ko)
CN (1) CN1076984C (ko)
DE (1) DE69406478T2 (ko)
ES (1) ES2108316T3 (ko)
MX (1) MX189366B (ko)
TW (1) TW270926B (ko)

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Also Published As

Publication number Publication date
CN1100668A (zh) 1995-03-29
TW270926B (ko) 1996-02-21
JPH06262081A (ja) 1994-09-20
KR100280249B1 (ko) 2001-02-01
EP0614872A1 (en) 1994-09-14
JP2702864B2 (ja) 1998-01-26
EP0614872B1 (en) 1997-10-29
US5442108A (en) 1995-08-15
ES2108316T3 (es) 1997-12-16
DE69406478D1 (de) 1997-12-04
DE69406478T2 (de) 1998-02-26
CN1076984C (zh) 2002-01-02
JP2610090B2 (ja) 1997-05-14
MX189366B (ko) 1998-07-15
JPH06263689A (ja) 1994-09-20

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