KR970009878A - 촉매의 재생방법 - Google Patents

촉매의 재생방법 Download PDF

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Publication number
KR970009878A
KR970009878A KR1019960031679A KR19960031679A KR970009878A KR 970009878 A KR970009878 A KR 970009878A KR 1019960031679 A KR1019960031679 A KR 1019960031679A KR 19960031679 A KR19960031679 A KR 19960031679A KR 970009878 A KR970009878 A KR 970009878A
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South Korea
Prior art keywords
catalyst
hydrogen peroxide
process according
regenerated
olefins
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KR1019960031679A
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English (en)
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KR100227712B1 (ko
Inventor
게오르그 틸레
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메르크 볼프강, 베버 볼프강
데구사 아크티엔게젤샤프트
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Application filed by 메르크 볼프강, 베버 볼프강, 데구사 아크티엔게젤샤프트 filed Critical 메르크 볼프강, 베버 볼프강
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    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/90—Regeneration or reactivation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/02—Synthesis of the oxirane ring
    • C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/12—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/89—Silicates, aluminosilicates or borosilicates of titanium, zirconium or hafnium
    • 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)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Epoxy Compounds (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

올레핀과 과산화수소로부터 에폭사이드를 제조하는데 촉매로서 사용되는 티탄 원자 함유 제올라이트는 소모된 촉매를 올레핀의 부재하에 과산화수소로 처리하여 재생하고 재생된 촉매를 에폭사이드화에 다시 사용한다.

Description

촉매의 재생방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (12)

  1. 소모된 촉매을 올레핀의 부재하에 과산화수소로 처리하여 소모된 촉매의 촉매 활성을 재생하고 재생된 촉매를 올레핀의 에폭사이드화에 다시 사용함을 특징으로 하는, 촉매, 특히 올레핀과 과산화수소로부터 에폭사이드를 제조하는데 촉매로서 사용되는 티탄 원자 함유 제올라이트의 재생방법.
  2. 제 1항에 있어서, 소모된 촉매를 과산화수소 0.01 내지 70중량%를 함유하는 과산화수소 수용액을 사용하여 재생함을 특징으로 하는 방법.
  3. 제 2항에 있어서, 소모된 촉매를 과산화수소 1 내지 45중량%를 함유하는 과산화수소 수용액을 사용하여 재생함을 특징으로 하는 방법.
  4. 제 1 내지 제 3항 중의 어느 한 항에 있어서, 재생을 0 내지 200℃의 온도에서 수행함을 특징으로 하는 방법.
  5. 제 4항에 있어서, 재생을 40 내지 120℃의 온도에서 수행함을 특징으로 하는 방법.
  6. 소모된 촉매를 올레핀의 부재하에 제 1항 내지 제 5항에 따라 과산화수소로 처리하여 소모된 촉매의 활성을 재생하고 재생된 촉매를 에폭사이드화에 다시 사용함을 특징으로 하는 촉매로서 티탄 원자 함유 제올라이트의 존재하에 올레핀과 과산화수소를 반응시켜 에폭사이드를 제조하는 방법.
  7. 제 6항에 있어서, 사용되는 올레핀이 프로필렌임을 특징으로 하는 방법.
  8. 제 6항 또는 제 7항에 있어서, 에폭사이드화 반응을 용매로서의 메탄올과 물과의 혼합물 속에서 수행함을 특징으로 하는 방법.
  9. 제 6항 내지 제 8항 중의 어느 한 항에 있어서, 촉매가 현탁액 형태로 사용됨을 특징으로 하는 방법.
  10. 제 6항 내지 제 9항 중 어느 한 항에 있어서, 소모된 촉매를 과산화수소 10 내지 45중량%를 함유하는 과산화수소 수용액을 사용하여 재생하고 재생으로부터의 촉매와 과산화수소와의 혼합물을 미리 분리하지 않고 에폭사이드화 반응을 사용함을 특징으로 하는 방법.
  11. 제 6항에 있어서, 촉매가 고정상 형태로 사용됨을 특징으로 하는 방법.
  12. 제11항에 있어서, 재생 동안 과산화수소 용액이 고정 촉매상을 넘어 순환됨을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960031679A 1995-08-01 1996-07-31 촉매의 재생방법 KR100227712B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19528220.5 1995-08-01
DE19528220.5? 1995-08-01
DE19528220A DE19528220C1 (de) 1995-08-01 1995-08-01 Verfahren zur Regenerierung eines Katalysators und Verfahren zur Herstellung eines Epoxids in Gegenwart des Katalysators

Publications (2)

Publication Number Publication Date
KR970009878A true KR970009878A (ko) 1997-03-27
KR100227712B1 KR100227712B1 (ko) 1999-11-01

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Country Status (15)

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US (1) US5620935A (ko)
EP (1) EP0757044B2 (ko)
JP (1) JP2921669B2 (ko)
KR (1) KR100227712B1 (ko)
CN (1) CN1062193C (ko)
AT (1) ATE169910T1 (ko)
BR (1) BR9603243A (ko)
CA (1) CA2182437C (ko)
DE (2) DE19528220C1 (ko)
DK (1) DK0757044T3 (ko)
ES (1) ES2122745T5 (ko)
MY (1) MY112525A (ko)
SG (1) SG69987A1 (ko)
TW (1) TW353039B (ko)
ZA (1) ZA966508B (ko)

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CN103547574B (zh) 2011-02-04 2016-01-20 陶氏环球技术有限责任公司 混合物的相分离
CN103459378B (zh) 2011-02-04 2015-05-27 陶氏环球技术有限责任公司 生产氧杂环丙烷类化合物的系统和方法
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Also Published As

Publication number Publication date
ES2122745T5 (es) 2004-12-01
US5620935A (en) 1997-04-15
EP0757044A1 (de) 1997-02-05
EP0757044B1 (de) 1998-08-19
DK0757044T3 (da) 1999-05-25
CN1145279A (zh) 1997-03-19
EP0757044B2 (de) 2004-04-07
CN1062193C (zh) 2001-02-21
DE19528220C1 (de) 1997-01-09
CA2182437C (en) 2000-01-11
KR100227712B1 (ko) 1999-11-01
SG69987A1 (en) 2000-01-25
ES2122745T3 (es) 1998-12-16
ATE169910T1 (de) 1998-09-15
DE59600451D1 (de) 1998-09-24
JP2921669B2 (ja) 1999-07-19
MY112525A (en) 2001-06-30
TW353039B (en) 1999-02-21
ZA966508B (en) 1997-02-19
BR9603243A (pt) 1998-04-22
JPH09117669A (ja) 1997-05-06
CA2182437A1 (en) 1997-02-02

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