KR950000214A - Composite metal catalyst for dehydrogenation of ethane and propane and method of use - Google Patents

Composite metal catalyst for dehydrogenation of ethane and propane and method of use Download PDF

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Publication number
KR950000214A
KR950000214A KR1019930010183A KR930010183A KR950000214A KR 950000214 A KR950000214 A KR 950000214A KR 1019930010183 A KR1019930010183 A KR 1019930010183A KR 930010183 A KR930010183 A KR 930010183A KR 950000214 A KR950000214 A KR 950000214A
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South Korea
Prior art keywords
ethane
propane
dehydrogenation
carrier
catalyst
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KR1019930010183A
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Korean (ko)
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KR100257374B1 (en
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문창모
최영고
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구창남
동앙나이론 주식회사
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Priority to KR1019930010183A priority Critical patent/KR100257374B1/en
Publication of KR950000214A publication Critical patent/KR950000214A/en
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Publication of KR100257374B1 publication Critical patent/KR100257374B1/en

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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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652—Chromium, molybdenum or tungsten
    • B01J23/6527—Tungsten
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/62—Platinum group metals with gallium, indium, thallium, germanium, tin or lead
    • B01J23/622—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead
    • B01J23/626—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead with tin
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/321—Catalytic processes
    • C07C5/324—Catalytic processes with metals
    • C07C5/325—Catalytic processes with metals of the platinum group

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)

Abstract

본 발명은 담체로서 알파 알루미나를 사용하는 에탄, 프로판 및 에탄과 프로판의 혼합기체의 탈수소화용 촉매에 있어서 최종 촉매 구성물에 함유된 원소 기준으로 백금 0.1-2중량%, 주석 0.1-1중량%, 알칼리 금속 특히 칼륨, 나트륨, 리튬중의 한 성분 1.0~5.0중량%, 지르코늄 혹은 텅스텐의 백금 담지량의 1-50중량%를 함유하는 촉매로 반응압력은 0.001-1.5 절대기압의 감압 상태로, 반응온도는 300-800℃인 반응 조건에서 사용하며, 최종 촉매 함유량의 주석의 50-99%를 담체에 제조시 같이 함침시키고, 지르코늄 혹은 텅스텐, 백금의 순차적 합침후, 나머지 주석 잔량을 합침시켜 제조함으로써 감압분위기에서 반응하여 반응조건의 속도 및 생성물의 선택도를 증가시킨다.The present invention is a catalyst for dehydrogenation of ethane, propane and a mixture of ethane and propane using alpha alumina as carrier, 0.1-2 wt% platinum, 0.1-1 wt% tin, alkali based on the elements contained in the final catalyst constituents. A catalyst containing 1.0 to 5.0% by weight of one component of metals, especially potassium, sodium and lithium, and 1-50% by weight of the platinum content of zirconium or tungsten. The reaction pressure is 0.001-1.5 absolute pressure, and the reaction temperature is It is used under the reaction conditions of 300-800 ℃, and 50-99% of the final catalyst content of tin is impregnated in the carrier as it is prepared, and after sequential agitation of zirconium, tungsten, and platinum, the remaining tin is combined to prepare a reduced pressure atmosphere. Reaction at increases the rate of reaction conditions and the selectivity of the product.

Description

에탄, 프로판의 탈수소화용 복합 금속 촉매 및 사용방법Composite metal catalyst for dehydrogenation of ethane and propane and method of use

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

Claims (3)

담체로 알파 알루미나를 사용하는 에탄, 프로판 및 에탄과 프로판의 혼합기체의 탈수소화용 촉매에 있어서, 최종 촉매 구성물에 함유된 원소 기준으로 백금 0.1-2중량%, 주석 0.1-1중량%, 알칼리 금속 특히 칼륨, 나트륨 리튬중의 한 성분 1.0-5.0중량%, 지르코늄 혹은 텅스텐을 백금 담지량의 1-50중량%를 함유함을 특징으로 하는 에탄, 프로판의 탈수소화용 복합금속촉매.Catalysts for dehydrogenation of ethane, propane and mixed gases of ethane and propane using alpha alumina as carrier, 0.1-2% by weight platinum, 0.1-1% by weight tin, especially alkali metals, based on the elements contained in the final catalyst composition A composite metal catalyst for dehydrogenation of ethane and propane, characterized by containing 1.0-5.0% by weight of one component of potassium and sodium lithium, and 1-50% by weight of zirconium or tungsten. 제1항의 촉매를 반응압력은 0.0001-1.5 절대기압의 감압 상태로, 반응온도는 300-800℃인 반응조건 에서 사용함을 특징으로 하는 에탄, 프로판의 탈수소화용 복합금속촉매의 사용방법.The method of claim 1, wherein the reaction pressure is used under a reduced pressure of 0.0001-1.5 absolute pressure, and the reaction temperature is 300-800 ° C. The method of using a composite metal catalyst for dehydrogenation of ethane and propane. 담체로서 알파 알루미나를 사용하는 에탄, 프로판 및 에탄과 프로판의 혼합기체의 탈수소화용 촉매를 제조함에 있어서, 최종 촉매의 주석 함유량의 50-99%를 담체에 또는 담체의 제조시 같이 함침시키고, 지르코늄 혹은 텅스텐, 백금의 순차적 함침후, 나머지 주석 잔량을 함침시킴을 특징으로 하는 제1항 촉매의 제조방법.In preparing a catalyst for dehydrogenation of ethane, propane and a mixture of ethane and propane using alpha alumina as carrier, 50-99% of the tin content of the final catalyst is impregnated into the carrier or in the preparation of the carrier, and zirconium or Method for producing a catalyst according to claim 1, characterized by impregnating the remaining amount of tin after sequential impregnation of tungsten and platinum. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930010183A 1993-06-05 1993-06-05 Metallic catalysts for dehydrogenation of ethane and propane, and their use KR100257374B1 (en)

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KR1019930010183A KR100257374B1 (en) 1993-06-05 1993-06-05 Metallic catalysts for dehydrogenation of ethane and propane, and their use

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Application Number Priority Date Filing Date Title
KR1019930010183A KR100257374B1 (en) 1993-06-05 1993-06-05 Metallic catalysts for dehydrogenation of ethane and propane, and their use

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KR950000214A true KR950000214A (en) 1995-01-03
KR100257374B1 KR100257374B1 (en) 2000-05-15

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