KR970025704A - Composite Metal Catalysts for Dehydrogenation - Google Patents

Composite Metal Catalysts for Dehydrogenation Download PDF

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Publication number
KR970025704A
KR970025704A KR1019950043929A KR19950043929A KR970025704A KR 970025704 A KR970025704 A KR 970025704A KR 1019950043929 A KR1019950043929 A KR 1019950043929A KR 19950043929 A KR19950043929 A KR 19950043929A KR 970025704 A KR970025704 A KR 970025704A
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KR
South Korea
Prior art keywords
weight
catalyst
dehydrogenation
composite metal
metal catalyst
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KR1019950043929A
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Korean (ko)
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서승원
최영교
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백영배
동양나이론 주식회사
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Priority to KR1019950043929A priority Critical patent/KR970025704A/en
Publication of KR970025704A publication Critical patent/KR970025704A/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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06—Halogens; Compounds thereof
    • B01J27/138—Halogens; Compounds thereof with alkaline earth metals, magnesium, beryllium, zinc, cadmium or mercury
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter

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

Abstract

본 발명은 탄수소 4이하의 포화 탄화수소 기체의 탈수소 반응에 사용되는 촉매의 활성, 선택도, 활성 안정성을 향상시키는 신규한 탈수소 반응용 복합 금속 촉매를 제조하기 위한 것으로, 본 발명의 촉매에서 담지체로는 알루미나(A12O3), 실리카(SiO2), 실리카-알루미나 혼합물 혹은 제올라이트(Zeolite)중의 하나를 주성분으로 하고, 활성 성분으로는 백금(pt)을 원소 중량으로 0.1-2.0중량%, 아연을 원소 중량으로 0.1-5.0중량%, 리튬, 칼륨, 마그네슘 중의 한 성분 이상이 원소 중량으로 0.5-20.0중량%, 염소를 원소 중량으로 0.1-10.0중량% 최종 함유하고 있으며, 또한 텅스텐을 원소 중량으로 0.001-0.5중량%함유함을 특징으로 한다.The present invention is to prepare a novel metal complex catalyst for the dehydrogenation reaction to improve the activity, selectivity, and activity stability of the catalyst used in the dehydrogenation of saturated hydrocarbon gas of carbohydrate 4 or less, the catalyst of the present invention as a carrier Is composed mainly of one of alumina (A1 2 O 3 ), silica (SiO 2 ), silica-alumina mixture or zeolite, and the active ingredient is 0.1-2.0% by weight of platinum (pt), zinc 0.1-5.0% by weight of elemental, at least one component of lithium, potassium, and magnesium contains 0.5-20.0% by weight of element, 0.1-10.0% by weight of chlorine, and tungsten by elemental weight It is characterized by containing 0.001-0.5% by weight.

Description

탈수소화 반응용 복합 금속 촉매Composite Metal Catalysts for Dehydrogenation

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (6)

탄소수 4이하의 포화탄화수소의 탈수소화 반응용 촉매에 있어서, 담지체로는 알루미나(Al2O3), 실리카(SiO2), 실리카-알루미나 혼합물 혹은 제올라이트(Zeolite)중의 하나를 주성분으로 하고, 활성 성분으로는 백금(Pt)을 원소 중량으로 0.1-2.0중량%, 아연을 원소 중량으로 0.1-5.0중량%, 리튬, 칼륨, 마그네슘 중의 한 성분 이상이 원소 중량으로 0.5-20.0중량%, 염소를 원소 중량으로 0.1-10.0중량% 최종 함유하고 있으며, 또한 텅스텐을 원소 중량으로 0.001-0.5중량%함유함을 특징으로 하는 탈수소화 반응용 복합 금속 촉매.In the catalyst for dehydrogenation of saturated hydrocarbons having 4 or less carbon atoms, the carrier is mainly composed of one of alumina (Al 2 O 3 ), silica (SiO 2 ), silica-alumina mixture, or zeolite. For example, platinum (Pt) is 0.1-2.0% by weight, zinc is 0.1-5.0% by weight, at least one of lithium, potassium, and magnesium is 0.5-20.0% by weight, and chlorine is the element weight. And 0.1-10.0 wt% final content, and 0.001 to 0.5 wt% tungsten as the element weight. 제1항에 있어서, 촉매는 공칭 상당 직경이 500-2000 미크론이며, 촉매의 기공부피가 0.4-1.0cc/g이고, 평균 기공 크기는 200-3000Å임을 특징으로 하는 탈수소화 반응용 복합 금속 촉매.The composite metal catalyst for dehydrogenation of claim 1, wherein the catalyst has a nominal equivalent diameter of 500-2000 microns, a pore volume of 0.4-1.0 cc / g, and an average pore size of 200-3000 kPa. 제1항에 있어서, 황 성분을 촉매 중량 기준으로 0-4중량% 함유함을 특징으로 하는 탈수소화 반응용 복합 금속 촉매.The composite metal catalyst for dehydrogenation according to claim 1, wherein the sulfur component contains 0-4% by weight based on the weight of the catalyst. 제1항에 있어서, 텅스텐 대신 또는 텅스텐과 함께 크롬(Cr), 몰리브네늄(Mo), 망간(Mn), 테크네티움(Tc), 레늄(Re) 그리고 티타늄(Ti). 지르코늄(Zr), 네오비움(Nb)중의 한 성분 이상을 최종 촉매에 원소 중량으로 0-5중량% 함유함을 특징으로 하는 탈수소화 반응용 복합 금속 촉매.The method of claim 1, wherein chromium (Cr), molybdenum (Mo), manganese (Mn), technetium (Tc), rhenium (Re) and titanium (Ti) instead of or with tungsten. A composite metal catalyst for dehydrogenation reaction, characterized by containing at least one component of zirconium (Zr) and neovitium (Nb) in an elemental weight of 0-5% by weight. 제1항에 있어서, 담지체 중 알루미나는 결정상태가 세타(θ)혹은 알파(α)의 결정 구조를 가짐을 특징으로 하는 탈수소화 반응용 복합 금속 촉매.The composite metal catalyst for dehydrogenation according to claim 1, wherein the alumina in the carrier has a crystal structure of theta (?) Or alpha (?). 제3항에 있어서, 황성분은 촉매가 사용되는 반응기에 반응물과 같이 황 화합물을 0-1000 부피 ppm 주입 함으로써, 촉매에 함유됨을 특징으로 하는 탈수소화 반응용 복합 금속 촉매.4. The composite metal catalyst for dehydrogenation of claim 3, wherein the sulfur component is contained in the catalyst by injecting 0 to 1000 vol. Ppm of a sulfur compound, such as a reactant, into the reactor in which the catalyst is used. ※ 참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950043929A 1995-11-27 1995-11-27 Composite Metal Catalysts for Dehydrogenation KR970025704A (en)

Priority Applications (1)

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