KR910700098A - catalyst - Google Patents

catalyst

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Publication number
KR910700098A
KR910700098A KR1019900702185A KR900702185A KR910700098A KR 910700098 A KR910700098 A KR 910700098A KR 1019900702185 A KR1019900702185 A KR 1019900702185A KR 900702185 A KR900702185 A KR 900702185A KR 910700098 A KR910700098 A KR 910700098A
Authority
KR
South Korea
Prior art keywords
catalyst
hydrogen
group viii
catalyst precursor
reduction
Prior art date
Application number
KR1019900702185A
Other languages
Korean (ko)
Inventor
에드윈 해리슨 조오지
제임스 데니스 알란
웹 제프리
Original Assignee
크리스토퍼 토마스 아일즈
데이비 맥키(런던)리미티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 크리스토퍼 토마스 아일즈, 데이비 맥키(런던)리미티드 filed Critical 크리스토퍼 토마스 아일즈
Publication of KR910700098A publication Critical patent/KR910700098A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/16Reducing
    • B01J37/18Reducing with gases containing free hydrogen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46Ruthenium, rhodium, osmium or iridium
    • B01J23/462Ruthenium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391Physical properties of the active metal ingredient
    • B01J35/392Metal surface area
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/61310-100 m2/g

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)

Abstract

내용 없음.No content.

Description

촉 매catalyst

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (17)

촉매에 존재하는 ⅤⅢ족 금속 g단 적어도 약 45mZ의 ⅤⅢ족 금속 표면적 (일산화탄소 흡소에 의해 측정)에 의해 특징지워지느 ⅤⅢ족 금속 약 10중량% 이하 및 지지체를 포함하는 촉진된 환원된 지지된 ⅤⅢ족 금속을 포함하는 촉매.Promoted reduced supported Group VIII comprising less than about 10% by weight of Group VIII metals and a support, characterized by a Group VIII metal present in the catalyst, at least about 45 mZ, Group VIII metal surface area (measured by carbon monoxide absorption) A catalyst comprising a metal. 제1항에 있어서, 실질적으로 모든 ⅤⅢ족 금속 성분이 환원된 ⅤⅢ족 금속 입자로서 존재하는 촉매.The catalyst of claim 1 wherein substantially all Group VIII metal components are present as reduced Group VIII metal particles. 제1항 또는 제2항에 있어서, ⅤⅢ족 금속이 루테늄을 포함하는 촉매.The catalyst of claim 1 or 2 wherein the Group VIII metal comprises ruthenium. 제1항 내지 제4항중 어느 한 항에 있어서, 지지체가 알루미나인 촉매.The catalyst according to any one of claims 1 to 4, wherein the support is alumina. 지지된 ⅤⅢ족 금속 촉매 전구체를 구별가능한 촉매의 예비-환원이 탐지될 수 있는 예비-환원 온도에서 수소 함유 대기하에 가열함에 의해 예비-환원 처리하여 촉매를 제조하는 방법에 있어서, 상기 예비-환원 처리를 수행하기 전에, 촉매 전구체를 다량의 불활성 기체 및 소량의 수소를 포함하는 대기중 상기 예비-환원 온도 미만에서 수소 결핍 조건하에 침지시킴에 의해 전-예비-환원 처리를 수행함을 특징으로 하는 방법.A process for preparing a catalyst by pre-reducing the supported Group VIII metal catalyst precursor by heating under a hydrogen containing atmosphere at a pre-reduction temperature at which pre-reduction of a distinguishable catalyst can be detected. Prior to carrying out the pre-pre-reduction treatment by immersing a catalyst precursor under hydrogen deficient conditions below said pre-reduction temperature in an atmosphere comprising a large amount of inert gas and a small amount of hydrogen. 제5항에 있어서, 주위 온도로부터 상기의 예비-환원 온도까지의 가열을 수소 함유 대기중에서 수행하는 방법.A process according to claim 5 wherein the heating from ambient temperature to said pre-reduction temperature is carried out in a hydrogen containing atmosphere. 제5항 또는 제6항에 있어서, 예비-환원 온도가 약 140℃인 방법.The method of claim 5 or 6, wherein the pre-reduction temperature is about 140 ° C. 8. 제5항 내지 제7항중 어느 한 항에 있어서, 전구체를 주위 온도와 예비-환원 온도의 중간 온도에서 수소 함유 대기중에 유지시키는 방법.The process of claim 5, wherein the precursor is maintained in a hydrogen containing atmosphere at an intermediate temperature between ambient and pre-reduction temperatures. 제5항 내지 제8항중 어느 한 항에 있어서, 촉매 전구체를 단지 소량의 수소와 다량의 하나 이상의 불활성 기체의 혼합물을 포함하는 수소 함유 가스의 스트림내 주위 온도로부터 조절된 조건하에서 가열하는 방법.The process according to claim 5, wherein the catalyst precursor is heated under controlled conditions from ambient temperature in a stream of hydrogen containing gas comprising only a small amount of hydrogen and a mixture of one or more inert gases. 제9항에 있어서, 수소 함유 가스가 실질적으로 산소가 함유되지 않은, 소량의 수소와 다량의 질소의 혼합물인 방법.10. The method of claim 9, wherein the hydrogen containing gas is a mixture of a small amount of hydrogen and a large amount of nitrogen substantially free of oxygen. 제5항 내지 제10항중 어느 한 항에 있어서, 침지단계를 약 2 바아 내지 약 10 바아의 범위 내의 입력에서 수행하는 방법.The method of claim 5, wherein the soaking step is performed at an input in the range of about 2 bar to about 10 bar. 제5항 내지 제11항중 어느 한 항에 있어서, 침지 단계동안 수소 분압이 약 0.0005 바아 내지 약 0.005 바아 이하의 범위인 방법.The method of claim 5, wherein the partial pressure of hydrogen during the immersion step ranges from about 0.0005 bar to about 0.005 bar or less. 제5항 내지 제12항중 어느 한 항에 있어서, 촉매 전구체를 소량의 수소를 함유하는 대기 중에서 주위온도로부터 약 140℃ 까지 조절된 비율로 가열하는 방법.The process of claim 5, wherein the catalyst precursor is heated at a controlled rate from ambient temperature to about 140 ° C. in an atmosphere containing a small amount of hydrogen. 제5항 내지 제13항중 어느 한 항에 있어서, 촉매 전구체를 약 140℃ 내지 약 180℃의 범위에 걸쳐 가열하여, 모든 시간에서 예비-환원 지역에 대한 유입 및 배출 가스 조성이 실질적으로 서로 동일하게 되도록 촉매 전구체를 환원 조건하에 유지되게 하는, 가열 속도에 따른 온도-시간 커브를 제공하는 방법.The catalyst precursor of claim 5, wherein the catalyst precursor is heated over a range of about 140 ° C. to about 180 ° C. such that the inlet and exhaust gas compositions for the pre-reduction zone are substantially the same at all times. Providing a temperature-time curve according to the rate of heating, wherein the catalyst precursor is maintained under reducing conditions. 제5항 내지 제14항중 어느 한 항에 있어서, 촉매 전구체를 약 120℃ 로부터 약 170℃로 가열함에 있어 가스의 유속이 약 400hr-1내지 약 6000hr-1의 가스의 매시 공간 속도 (0℃ 및 1 바아에서 측정)에 상응하는 방법.15. The method according to any one of claims 5 to 14, wherein the gas flow rate is about 400 hr -1 to about 6000 hr -1 when the catalyst precursor is heated from about 120 ° C to about 170 ° C. Method measured at 1 bar). 제5항 내지 제15항중 어느 한 항에 있어서, 촉매 전구체가 루테늄을 함유하는 방법.The process according to claim 5, wherein the catalyst precursor contains ruthenium. 제5항 내지 제16항중 어느 한 항에 있어서, 지지체가 알루미나인 방법.The method of claim 5, wherein the support is alumina. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900702185A 1989-01-30 1990-01-29 catalyst KR910700098A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8901977.2 1989-01-30
GB898901977A GB8901977D0 (en) 1989-01-30 1989-01-30 Catalyst
PCT/GB1990/000130 WO1990008592A1 (en) 1989-01-30 1990-01-29 Catalyst

Publications (1)

Publication Number Publication Date
KR910700098A true KR910700098A (en) 1991-03-13

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ID=10650821

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Application Number Title Priority Date Filing Date
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Country Status (7)

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EP (1) EP0455661A1 (en)
JP (1) JPH04503027A (en)
KR (1) KR910700098A (en)
CN (1) CN1044601A (en)
CA (1) CA2045664A1 (en)
GB (1) GB8901977D0 (en)
WO (1) WO1990008592A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4221139A1 (en) * 1992-06-27 1994-01-05 Huels Chemische Werke Ag Catalyst and process for the selective hydrogenation of unsaturated compounds and process for the preparation of the catalyst

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1448859A (en) * 1973-12-05 1976-09-08 British Petroleum Co Reduction of platinum group metal catalysts
US4028227A (en) * 1974-09-24 1977-06-07 American Cyanamid Company Hydrotreating of petroleum residuum using shaped catalyst particles of small diameter pores
NL8201696A (en) * 1982-04-23 1983-11-16 Unilever Nv METHOD FOR PREPARING METHANATION CATALYSTS
US4503274A (en) * 1983-08-08 1985-03-05 Uop Inc. Ruthenium hydrogenation catalyst with increased activity

Also Published As

Publication number Publication date
CA2045664A1 (en) 1990-07-31
GB8901977D0 (en) 1989-03-22
WO1990008592A1 (en) 1990-08-09
EP0455661A1 (en) 1991-11-13
CN1044601A (en) 1990-08-15
JPH04503027A (en) 1992-06-04

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