KR970073686A - 3가의 크롬 화합물들에 기초한 촉매의 재생공정 - Google Patents

3가의 크롬 화합물들에 기초한 촉매의 재생공정 Download PDF

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Publication number
KR970073686A
KR970073686A KR1019970017241A KR19970017241A KR970073686A KR 970073686 A KR970073686 A KR 970073686A KR 1019970017241 A KR1019970017241 A KR 1019970017241A KR 19970017241 A KR19970017241 A KR 19970017241A KR 970073686 A KR970073686 A KR 970073686A
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South Korea
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iii
catalyst
inert gas
compounds
temperature
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KR1019970017241A
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파올로 쿠차토
프란체스코 리날디
레탄치오 브라잔테
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카를로 코그리아티
오시몽 에스. 피. 에이.
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Application filed by 카를로 코그리아티, 오시몽 에스. 피. 에이. filed Critical 카를로 코그리아티
Publication of KR970073686A publication Critical patent/KR970073686A/ko

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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
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
    • 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
    • B01J38/18—Treating with free oxygen-containing gas with subsequent reactive gas treating
    • 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
    • B01J23/92—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/28—Regeneration or reactivation
    • B01J27/32—Regeneration or reactivation of catalysts comprising compounds of halogens
    • 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
    • B01J38/02—Heat treatment
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

350℃-400℃온도에서 공기/비활성 기체혼합물과의 처리 및 300℃-380℃온도에서 0.5 내지 5부피%의 지방족 탄화수소 C1-C8를 포함하는 비활성 기체의 혼합물과의 처리를 포함하는 선택적으로 지지된 Cr(Ⅲ)화합물에 기초한 플루오루화 촉매의 재생공정.

Description

3가의 크롬 화합물들에 기초한 촉매의 재생공정
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (8)

  1. 선택적으로 지지된 Cr(Ⅲ)화합물들에 기초하고 촉매 표면상에 유기불순물의 존재를 인하여 소모된 플루오르화 촉매의 재생을 위한 공정에 있어서, (a) 유기불순물이 사라질 때까지 350℃ 내지 400℃의 온도에서 공기 흐름 또는 산소/ 비활성기체 혼합물과 소모된 촉매의 처리 및 (b)(a)산화단계 동안에 형성된 Cr(Ⅳ)화합물이 Cr(Ⅲ)화합물로 환원될 때까지, 300℃에서 380℃의 온도에서 비활성 기체와 1 내지 8개의 탄소원자들을 갖고 있는 0.5 내지 5부피%의 하나 이상의 지방족 탄화수소로 이루어진 기체혼합물의 흐름과 함께 (a)단계후에 얻어진 촉매의 처리를 포함하는 공정.
  2. 제1항에 있어서, Cr(Ⅲ)화합물들은 산화물 및/또는 옥시플루오르화물이고, 지지물은 A1F3, Al2O3와 플루오르화된 Al2O3에서 선택되는 것을특징으로 하는 공정.
  3. 제1항에 있어서, 상기 촉매는 AlF3상에 지지된 Cr(Ⅲ)화합물 및/또는 옥시플루오르화물을 구성되는 것을 특징으로 하는 공정.
  4. 제1항에 있어서, 상기 지방족 탄화수소는 1 내지 4개의 탄소원자들을 포함하는 것을 특징으로 하는 공정.
  5. 제1항에 있어서, 상기 지방족 탄화수소는 프로판 및/또는 부탄이고 비활성 기체와의 혼합물에서 그 양이 1부터 3부피%까지의 범위를 이르는 것을 특징으로 하는 공정.
  6. 제1항에 있어서, 상기 단계(a)와 (b)에서 사용된 비활성 기체는 질소인 것을 특징으로 하는 공정.
  7. 제1항에 있어서, 상기 단계(b)는 310℃부터 340℃의 온도에서 실행되는 것을 특징으로 하는 공정.
  8. 제1항 공정에 의해 재생되며, 선택적으로 지지된 Cr(Ⅲ)화합물에 기초한 촉매의 존재하에 기체상에서 HF와 할로겐을 함유한 탄산수소의 플루오르화 공정.
    ※ 참고사항：최초출원 내용에 의하여 공개하는 것임.
KR1019970017241A 1996-05-06 1997-05-06 3가의 크롬 화합물들에 기초한 촉매의 재생공정 KR970073686A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI96A000891 1996-05-06
IT96MI000891A IT1282960B1 (it) 1996-05-06 1996-05-06 Processo per la rigenerazione di un catalizzatore a base di composti cromo trivalente

Publications (1)

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KR970073686A true KR970073686A (ko) 1997-12-10

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KR1019970017241A KR970073686A (ko) 1996-05-06 1997-05-06 3가의 크롬 화합물들에 기초한 촉매의 재생공정

Country Status (13)

Country Link
US (1) US5817895A (ko)
EP (1) EP0806241B1 (ko)
JP (1) JPH1043607A (ko)
KR (1) KR970073686A (ko)
CN (1) CN1091652C (ko)
AT (1) ATE228032T1 (ko)
AU (1) AU712733B2 (ko)
BR (1) BR9703059A (ko)
CA (1) CA2204584A1 (ko)
DE (1) DE69717191T2 (ko)
IN (1) IN191115B (ko)
IT (1) IT1282960B1 (ko)
TW (1) TW409073B (ko)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3257832B2 (en) 2011-01-21 2022-10-19 Arkema France Catalytic gas phase fluorination
FR3045029A1 (fr) * 2015-12-14 2017-06-16 Arkema France Fluoration catalytique en phase gazeuse avec des catalyseurs a base de chrome

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641113B2 (ko) * 1973-12-13 1981-09-25
US5262574A (en) * 1987-03-09 1993-11-16 Ausimont S.P.A. Process for preparing 1,1,1-trifluoro-2,2-dichloroethane by hydrofluorination in the presence of catalysts
CN1044095C (zh) * 1990-09-14 1999-07-14 帝国化学工业公司 再生氟化催化剂的方法
ATE132478T1 (de) * 1990-10-22 1996-01-15 Fina Research Verfahren zur katalytischen dehydrierung von alkylaromatischen kohlenwasserstoffen
JP3248923B2 (ja) * 1991-05-29 2002-01-21 昭和電工株式会社 クロム系フッ素化触媒の賦活再生方法およびハロゲン化炭化水素の製造方法
DE4419534C1 (de) * 1994-06-03 1995-10-19 Hoechst Ag Verfahren zur Regenerierung eines chrom- und magnesiumhaltigen Fluorierungskatalysators

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Publication number Publication date
CN1166379A (zh) 1997-12-03
IT1282960B1 (it) 1998-04-02
ITMI960891A1 (it) 1997-11-06
CA2204584A1 (en) 1997-11-06
DE69717191T2 (de) 2003-07-10
BR9703059A (pt) 1998-08-25
ITMI960891A0 (ko) 1996-05-06
JPH1043607A (ja) 1998-02-17
IN191115B (ko) 2003-09-20
MX9703303A (es) 1998-07-31
US5817895A (en) 1998-10-06
EP0806241A1 (en) 1997-11-12
DE69717191D1 (de) 2003-01-02
CN1091652C (zh) 2002-10-02
ATE228032T1 (de) 2002-12-15
AU2003497A (en) 1997-11-13
TW409073B (en) 2000-10-21
EP0806241B1 (en) 2002-11-20
AU712733B2 (en) 1999-11-11

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