KR100492454B1 - 촉매및그의제조방법 - Google Patents
촉매및그의제조방법 Download PDFInfo
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- KR100492454B1 KR100492454B1 KR1019960706220A KR19960706220A KR100492454B1 KR 100492454 B1 KR100492454 B1 KR 100492454B1 KR 1019960706220 A KR1019960706220 A KR 1019960706220A KR 19960706220 A KR19960706220 A KR 19960706220A KR 100492454 B1 KR100492454 B1 KR 100492454B1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
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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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0027—Powdering
- B01J37/0045—Drying a slurry, e.g. spray drying
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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
- B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
- B01J2235/15—X-ray diffraction
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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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8877—Vanadium, tantalum, niobium or polonium
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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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/34—Mechanical properties
- B01J35/38—Abrasion or attrition resistance
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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
- 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
- B01J35/61—Surface area
- B01J35/612—Surface area less than 10 m2/g
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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
- 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
- B01J35/66—Pore distribution
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- 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
- B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (12)
- 촉매 활성 성분이 하기 일반식(1)로 나타내는 조성을 가지며;상기 식에서,Mo, V, W, Cu, Sb 및 O는 각각 몰리브덴, 바나듐, 텅스텐, 구리, 안티몬 및 산소를 나타내고,X는 알칼리 금속 및 탈륨으로 이루어진 군으로 부터 선택된 적어도 하나의 원소이고,Y는 마그네슘, 칼슘, 스트론튬, 바륨 및 아연으로 이루어진 군으로 부터 선택된 적어도 하나의 원소이고,Z는 니오븀, 세륨, 주석, 크롬, 망간, 철, 코발트, 사마륨, 게르마늄, 티탄 및 비소로 이루어진 군으로 부터 선택된 적어도 하나의 원소이고,a,b,c,d,e,f,g 및 h는 12개의 몰리브덴 원자 기준으로 0<a≤10, 0≤b≤10, 0<c≤6, 0<d≤10, 0≤e≤0.5, 0≤f≤1 및 0≤g<6의 원자비를 나타내고,h는 총 원자가를 만족하는 데 요구되는 산소 원자수임)구리 Kα선에 의한 상기 촉매 활성 성분의 X-선 회절분석에서 있어서, 최대 피크가 22.2±0.3°(2θ:θ는 회절각)에서 나타나는 촉매를 제공하기 위하여,(a) 촉매 활성 성분을 구성하는 금속원소(이하, "촉매 활성 원소"라 함) 또는 그 화합물을 함유하는 수용액 또는 분산액을 분무 건조하여 건조된 분말을 제공하는 단계,(b) 상기 단계(a)에서 얻어진 건조 분말을 소결하여 촉매 활성 성분 분말을 얻는 단계, 및(c) 텀블 과립 형성기를 사용하여 상기 단계(b)에서 얻어진 촉매 활성 성분 분말로 담체를 피복하는 단계를 포함하는 촉매 제조 방법.
- 제 1항에 있어서, 단계(c)에서 보강재가 촉매 활성 성분의 분말과 함께 사용되는 방법.
- 제 1항 또는 제 2항에 있어서, 단계(c)에서 결합제가 촉매 활성 성분의 분말과 함께 사용되는 방법.
- 제 3항에 있어서, 결합제가 디올 또는 트리올인 방법.
- 제 4항에 있어서, 트리올이 글리세린인 방법.
- 제 2항에 있어서, 보강재가 세라믹 섬유인 방법.
- 촉매 활성 성분이 하기 일반식(1)로 나타내는 조성을 가지며,(상기 식에서,Mo, V, W, Cu, Sb 및 O는 각각 몰리브텐, 바나듐, 텅스텐, 구리, 안티몬 및 산소를 나타내고,X는 알칼리 금속 및 탈륨으로 이루어진 군으로 부터 선택된 적어도 하나의 원소이고,Y는 마그네슘, 칼슘, 스트론튬, 바륨 및 아연으로 이루어진 군으로 부터 선택된 적어도 하나의 원소이고,Z는 니오븀, 세륨, 주석, 크롬, 망간, 철, 코발트, 사마륨, 게르마늄, 티탄 및 비소로 이루어진 군으로 부터 선택된 적어도 하나의 원소이고,a,b,c,d,e,f,g 및 h는 12개의 몰리브덴 원자 기준으로 0<a≤10, 0≤b≤10, 0<c≤6, 0<d≤10, 0≤e≤0.5, 0≤f≤1 및 0≤g<6의 원자비를 나타내고,h는 총 원자가를 만족하는 데 요구되는 산소 원자수임)구리 Kα선에 의한 상기 촉매 활성 성분의 X-선 회절분석에서 있어서, 최대 피크가 22.2±0.3°(2θ:θ는 회절각)에서 나타나는 촉매를 제공하기 위하여,(a) 촉매 활성 원소 또는 그 화합물을 함유하는 수용액 또는 분산액을 분무 건조하여 건조된 분말을 제공하는 단계, 및(b) 상기 단계(a)에서 얻어진 건조 분말을 소결하여 촉매 활성 성분 분말을 얻는 단계를 포함하는 촉매 제조 방법.
- 제 7항에 있어서, 상기 단계(b)에서 얻어진 건조 분말 5g 및 순수한 물 75g으로 된 혼합물을 5분 동안 교반한 후 측정한 전기 전도도가 100~2,000 μs/cm인 촉매 제조방법.
- 제 8항에 있어서, 촉매 활성 원소 또는 그 화합물을 함유하는 수용액 또는 분산액이 안티몬 원으로서 삼산화안티몬과 물을 혼합함으로써 얻어지는 촉매 제조 방법.
- 제 7항 내지 제 9 항 중 어느 하나에 있어서, 상기 촉매가 기체상에서 아크롤레인을 산소 분자로 촉매 산화시킴으로써 아크릴산의 제조에 사용하기 위한 촉매 제조방법.
- 촉매 중 직경 0.01~200 ㎛을 갖는 기공의 총 부피 기준으로 하여, 직경 0.01~0.1 ㎛를 갖는 기공의 부피가 20%이하이고, 직경 0.1~1 ㎛를 갖는 기공의 부피가 30%이하이며, 1∼10 ㎛를 갖는 기공의 부피가 40%이상이고, 10∼200 ㎛를 갖는 기공의 부피가 50%이하인 촉매를 제공하기 위하여, 제 7항 내지 9항 중 어느 하나에 따른 촉매 제조 방법에 따라 얻어진 촉매를 압축, 압출 또는 피복하는 단계를 포함하는 촉매 제조 방법.
- 제 11항에 있어서, 기체상에서 아크롤레인을 산소 분자로 촉매 산화시킴으로써 아크릴산의 제조에 사용하기 위한 촉매 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960706220A KR100492454B1 (ko) | 1995-03-03 | 1996-03-01 | 촉매및그의제조방법 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP95-68951 | 1995-03-03 | ||
JP96-63947 | 1996-02-27 | ||
KR1019960706220A KR100492454B1 (ko) | 1995-03-03 | 1996-03-01 | 촉매및그의제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR970702820A KR970702820A (ko) | 1997-06-10 |
KR100492454B1 true KR100492454B1 (ko) | 2005-08-31 |
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KR1019960706220A Expired - Fee Related KR100492454B1 (ko) | 1995-03-03 | 1996-03-01 | 촉매및그의제조방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190046853A (ko) * | 2016-09-14 | 2019-05-07 | 닛뽄 가야쿠 가부시키가이샤 | 아크릴산 제조용 촉매 및 아크릴산의 제조 방법 |
-
1996
- 1996-03-01 KR KR1019960706220A patent/KR100492454B1/ko not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190046853A (ko) * | 2016-09-14 | 2019-05-07 | 닛뽄 가야쿠 가부시키가이샤 | 아크릴산 제조용 촉매 및 아크릴산의 제조 방법 |
KR102367621B1 (ko) * | 2016-09-14 | 2022-02-24 | 닛뽄 가야쿠 가부시키가이샤 | 아크릴산 제조용 촉매 및 아크릴산의 제조 방법 |
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KR970702820A (ko) | 1997-06-10 |
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