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KR860003849A - 산화용 촉매 및 그의 제조방법 - Google Patents

산화용 촉매 및 그의 제조방법 Download PDF

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KR860003849A
KR860003849A KR1019850008660A KR850008660A KR860003849A KR 860003849 A KR860003849 A KR 860003849A KR 1019850008660 A KR1019850008660 A KR 1019850008660A KR 850008660 A KR850008660 A KR 850008660A KR 860003849 A KR860003849 A KR 860003849A
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vanadium
catalyst
phosphorus
ene
composite oxide
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푸마갈리 카틀로 (외 1)
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알렉산드로 디 시오
알루수이세 이탈리아 에스·피·에이
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/215Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of saturated hydrocarbyl groups
    • 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
    • B01J23/002Mixed oxides other than spinels, e.g. perovskite
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20Vanadium, niobium or tantalum
    • B01J23/22Vanadium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14Phosphorus; Compounds thereof
    • B01J27/186Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/195Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
    • B01J27/198Vanadium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/40Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • 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
    • B01J35/64Pore diameter
    • 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
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
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    • B01J37/08Heat treatment
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/13Dicarboxylic acids
    • C07C57/145Maleic acid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Abstract

내용 없음

Description

산화용 촉매 및 그의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
첨부도면은 140℃에서 건조된 V―P―O 복합산화물의 기공반경이 10,000Å 이하인 기공에 대한 체적분포를 나타낸 것임.

Claims (20)

  1. 바나듐 1원자당 인 1―1.3원자로 된 바나듐/인 복합산화물을 함유하고 탄화수소를 말레산 무수물로 산화시키기 위한 촉매에 있어서, 반경 100―1,000Å을 갖는 기공의 기공체적률이 반경 10,000Å 이하를 갖는 기공들의 총기공 체적의 30% 이상인 것을 특징으로 하는 촉매.
  2. 제1항에 있어서, 100―1,000Å의 반경을 갖는 기공의 기공체적률이 10,000Å 이하의 반경을 갖는 기공들의 총기공체적의 40% 이상인 것을 특징으로 하는 촉매.
  3. 제1항 또는 제2항에 있어서, 촉매입자의 90%가 1―5마이크로미터의 직경을 갖는 것을 특징으로 하는 촉매.
  4. 제1항에 있어서, 바나듐 1원자당 인 1.05―1.2원자를 함유하는 것을 특징으로 하는 촉매.
  5. 제1항에 있어서, 바나듐 1원자당 촉진제 0.01―0.3(양호하기로는 0.05―0.15) 원자의 비율로 Li, Ti, Zr, Hf, Cr, Mo, Mn, Fe, Co, Ni, Cu, Zn, B, Si, Sn, Bi, 또는 이들의 혼합물로부터 선택되는 촉진제를 함유하는 것을 특징으로 하는 촉매.
  6. 제1항 내지 제5항중 어느 하나에 있어서, 바나듐 1원자당 인원자 1―1.3의 비율로 바나듐/인 복합산화물을 함유하고 탄화수소를 말레산 무수물로 산화시키기 위한 촉매에 있어, 인 함유 화합물을 유기용매에 도입한 후, 바나듐 함유 화합물을 바나듐 1원자당 인원자 1―1.3의 비율로 0.5―4시간(양호하기로는 0.8―2시간)동안 연속적으로 가한 다음, 반응시 생성된 물을 반응혼합물로부터 연속적 및 직접적으로 제거하고, 반응혼합물을 분리한후, V―P―O 복합산화물을 고체로 단리시킨 다음 90 내지 150℃에서 건조한후 200 내지 300℃에서 활성화시키는 방법에 의해 제조된 촉매.
  7. 제1항 내지 제6항중 어느 하나에 있어서, 활성화되거나 재활성화할 촉매가 산소분자 부존재하에 300 내지 500℃에서 2―6의 탄소원자를 갖는 가스상 탄화수소성분(양호하기로는 n―부안, 1,3―부타디엔, n―부텐, 부트―1―엔, 시스―부트―2―엔, 트랜스―부트―2―엔 또는 이들의 혼합물)을 복합산화물에 통과시킴으로써 환원되는 것을 특징으로 하는 촉매.
  8. 제1항 내지 제7항중 어느 하나에 있어서, 촉매가 분활성가스 양호하기로는 CO2또는 질소를 함유하는 가스상 탄화수소 성분에 의해 환원되는 것을 특징으로 하는 촉매.
  9. 바나듐/인 복합산화물로 구성되고 탄화수소를 말레산 무수물로 산화시키기 위한 촉매의 제조방법에 있어서, 인함유 화합물을 유기용매에 도입한후, 바나듐함유 화합물을 바나듐 1원자당 인원자 1―1.3의 비율로 0.5―4시간(양호하기로는 0.8―2시간) 동안 연속적으로 가한 다음, 반응시 생성된 물을 반응 혼합물로부터 연속적 및 직접적으로 제거하고, 반응혼합물을 분리한 후, V―P―O 복합산화물을 고체로 단리시킨 다음 90 내지 150℃에서 건조한후 200 내지 300℃에서 활성화시키는 것을 특징으로 하는 산화용 촉매의 제조방법.
  10. 제9항에 있어서, 유기용매로서 C1―C6―알콜, 양호하기로는 메탄올, 에탄올, 프로판올, 부탄올, 1―프로판올, 2―프로판올, 1―부탄올, 2―부탄올, 이소부탄올, 이소―아밀알콜 또는 이들의 혼합물, 더욱 양호하기로는 이소부탄올이 사용되는 것을 특징으로 하는 방법.
  11. 제9항 또는 제10항에 있어서, 사용된 인―함유 화합물이 5가인(양호하기로는 P2O5) 또는 85중량%(양호하기로는 100중량%)의 H3PO4를 함유하는 것을 특징으로 하는 방법.
  12. 제9항에 있어서, 5가 바나듐의 무기화합물 또는 4가 바나듐의 무기화합물, 양호하기로는 V2O5이 바나듐―함유 화합물로서 사용되는 것을 특징으로 하는 방법.
  13. 제9항에 있어서, 바나듐―함유 화합물이 2마이크로미터이하(양호하기로는 1마이크로미터이하)의 입자크기로 사용되는 것을 특징으로 하는 방법.
  14. 제9항에 있어서, 바나듐 1원자당 1.05 내지 1.2원자의 인이 사용되는 것을 특징으로 하는 방법
  15. 제9항에 있어서, Li, Ti, Zr, Ht, Cr, Mo, Mn, Fe, Co, Ni, Cu, Zn, B, Si, Sn 또는 Bi, 또는 이들의 혼합물로부터 선택되는 촉진제가 촉진제 대 바나듐의 비율 0.01:1 내지 0.3:1, 양호하기로는 0.05:1 내지 0.15:1로 제조과정에 첨가되는 것을 특징으로 하는 방법.
  16. 제9항에 있어서, 촉진제가 탄산염, 질산염, 염화물, 브롬화물, 황산염 또는 아세테이트 같은 염 또는 산화물로서 첨가되는 것을 특징으로 하는 방법.
  17. 제9항에 있어서, 고체가 90 내지 150℃, 양호하기로는 130 내지 140℃에서 건조되는 것을 특징으로 하는 방법.
  18. 제9항에 있어서, 활성화되거나 재활성화할 촉매가 산소분자 부존재하에 300 내지 500℃에서 2―6의 탄소원자를 갖는 가스상 탄화수소 성분, 양호하기로는 n―부탄, 1,3―부타디엔, n―부엔, 부트―1―엔, 시스―부트―2―엔, 트랜스―부트―2―엔 또는 이들의 혼합물을 복합산화물에 통과시킴으로써 환원되는 것을 특징으로 하는 방법.
  19. 제9항에 있어서, 촉매가 불활성가스, 양호하기로는 CO2또는 질소를 함유하는 가스상 탄화수소 성분에 의해 환원되는 것을 특징으로 하는 방법.
  20. 제1항에 있어서, 1,3―부타디엔, n―부탄, n―부텐, 부트―1―엔, 시스―부트―1―엔, 트랜스―부트―2―엔 또는 이들의 혼합물, 양호하기로는 n―부탄올 말레산 무수물로 부분적으로 산화시키기 위해 사용되는 촉매.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850008660A 1984-11-20 1985-11-20 산화용 촉매 및 그의 제조방법 KR860003849A (ko)

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IT23,671A/84 1984-11-20
IT23671/84A IT1177272B (it) 1984-11-20 1984-11-20 Catalizzatore per reazioni di ossidazione e procedimento per la sua produzione

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100481805B1 (ko) * 1999-02-19 2005-04-11 니폰 쇼쿠바이 컴파니 리미티드 기상 부분 산화용 촉매

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4996179A (en) * 1989-01-17 1991-02-26 Amoco Corporation Maleic anhydride catalysts and process for their manufacture
US5070060A (en) * 1990-05-21 1991-12-03 Scientific Design Company, Inc. Phosphorous/vanadium oxidation catalyst
US5155235A (en) * 1990-07-12 1992-10-13 Mitsui Toatsu Chemicals, Inc. Catalyst for producing maleic anhydride from butane and process for preparing same
US5280003A (en) * 1992-08-24 1994-01-18 Scientific Design Company, Inc. Static condition process for the preparation of phosphorous/vanadium oxidation catalyst
US5296436A (en) * 1993-01-08 1994-03-22 Scientific Design Company, Inc. Phosphorous/vanadium oxidation catalyst
US5641722A (en) * 1994-09-15 1997-06-24 Huntsman Petrochemical Corporation High performance VPO catalyst and process of preparation thereof
IT1290407B1 (it) * 1996-04-29 1998-12-03 Lonza Spa Procedimento per la trasformazione di un precursore di catalizzatore a base di ossido misto di vanadio/fosforo nel catalizzatore attivo
ITMI991233A1 (it) * 1999-06-01 2000-12-01 Lonza Spa Procedimento per preparare un precursore di catalizzatore di ossido misto vanadio/fosforo
DE10011307A1 (de) * 2000-03-10 2001-09-13 Basf Ag Katalysator und Verfahren zur Herstellung von Maleinsäureanhydrid
DE10211447A1 (de) * 2002-03-15 2003-10-02 Basf Ag Katalysator und Verfahren zur Herstellung von Maleinsäureanhydrid
DE10211449A1 (de) * 2002-03-15 2003-09-25 Basf Ag Katalysator-Precursor für die Herstellung von Maleinsäureanhydrid und Verfahren zu dessen Herstellung
CN1520927A (zh) * 2003-01-30 2004-08-18 ƽ 丁烷氧化制顺丁烯二酸酐V-P-Si复合氧化物催化剂前驱体
EP1514598A1 (en) * 2003-09-15 2005-03-16 Lonza S.p.A. Niobium doped vanadium/phosphorus mixed oxide catalyst
US7357977B2 (en) * 2005-01-13 2008-04-15 International Business Machines Corporation Ultralow dielectric constant layer with controlled biaxial stress
US20090061237A1 (en) * 2007-08-28 2009-03-05 International Business Machines Corporation LOW k POROUS SiCOH DIELECTRIC AND INTEGRATION WITH POST FILM FORMATION TREATMENT
US20090061649A1 (en) 2007-08-28 2009-03-05 International Business Machines Corporation LOW k POROUS SiCOH DIELECTRIC AND INTEGRATION WITH POST FILM FORMATION TREATMENT
CN102186584A (zh) 2008-10-21 2011-09-14 亨斯迈石油化学有限责任公司 用于马来酸酐生产的高孔容vpo催化剂
CN106622317A (zh) * 2010-09-10 2017-05-10 亨斯迈石油化学有限责任公司 用于生产马来酸酐的具有低钒氧化态的改进型 vpo催化剂
CN103691466B (zh) * 2012-09-27 2016-07-06 中国石油化工股份有限公司 一种催化剂前驱体及其制备方法和催化剂及其应用
CN106622315B (zh) * 2015-11-02 2019-05-17 中国石油化工股份有限公司 一种钒磷氧化物及其制备方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3293268A (en) * 1964-03-23 1966-12-20 Princeton Chemical Res Inc Production of maleic anhydride by oxidation of n-butane
US3864280A (en) * 1972-06-19 1975-02-04 Chevron Res Catalyst for a n-butane oxidation to maleic anhydride
US4187235A (en) * 1972-09-18 1980-02-05 Chevron Research Company Method for preparing maleic anhydride
CH598863A5 (ko) * 1975-01-10 1978-05-12 Lonza Ag
US4178298A (en) * 1976-05-21 1979-12-11 Lonza, Ltd. Process for preparing maleic anhydride
US4092269A (en) * 1976-10-15 1978-05-30 Monsanto Company Phosphorus-vanadium-oxygen catalysts having a specific pore volume
US4151116A (en) * 1977-08-05 1979-04-24 Halcon Research And Development Corporation Preparation of maleic anhydride
SU727217A1 (ru) * 1978-05-03 1980-04-15 Институт Физической Химии Им. Л.В. Писаржевского Ан Украинской Сср Способ приготовлени ванадий-фосфорного катализатора дл окислени бутана в малеиновый ангидрид
DE3010710A1 (de) * 1980-03-20 1981-09-24 Chemische Werke Hüls AG, 4370 Marl Verfahren zur herstellung von katalysatoren fuer die gasphaseoxidation von gesaettigten und/oder ungesaettigten c(pfeil abwaerts)4(pfeil abwaerts)-kohlenwasserstoffen zu maleinsaeureanhydrid
US4283288A (en) * 1980-05-14 1981-08-11 Standard Oil Company (Indiana) Oxidation of butane to maleic anhydride
US4283307A (en) * 1980-06-02 1981-08-11 Denka Chemical Corporation Catalyst structure for the partial oxidation of n-butane to produce maleic anhydride
US4410752A (en) * 1980-07-10 1983-10-18 The Standard Oil Company Process for the oxydehydrogenation of ethane to ethylene
US4448893A (en) * 1981-07-24 1984-05-15 The Standard Oil Company Preparation of improved mixed vanadium phosphorus oxide catalyst and their use in oxidation processes
US4472527A (en) * 1982-03-31 1984-09-18 Mitsubishi Chemical Industries Ltd. Process for preparing an oxidation catalyst composition
US4435521A (en) * 1982-05-24 1984-03-06 Exxon Research & Engineering Co. Heterogeneous process for preparing vanadium phosphorus oxygen containing catalyst composition
US4416803A (en) * 1982-05-26 1983-11-22 Standard Oil Company (Indiana) Process for the manufacture of catalysts useful for the oxidation of butane to malelic anhydride
US4525471A (en) * 1982-09-23 1985-06-25 The Standard Oil Company Attrition resistant microspheroidal fluid bed catalysts containing the mixed oxides of vanadium and phosphorus
US4518523A (en) * 1983-03-04 1985-05-21 The Standard Oil Company Method for adding make-up fluid bed oxidation catalysts for fluid bed oxidation catalysts containing the mixed oxides of vanadium and phosphorus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100481805B1 (ko) * 1999-02-19 2005-04-11 니폰 쇼쿠바이 컴파니 리미티드 기상 부분 산화용 촉매

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IT1177272B (it) 1987-08-26
CN1005685B (zh) 1989-11-08
ZA858253B (en) 1986-06-25
TR22772A (tr) 1988-07-01
NO167552C (no) 1991-11-20
NO167552B (no) 1991-08-12
AR240877A1 (es) 1991-03-27
US4713464A (en) 1987-12-15
IT8423671A0 (it) 1984-11-20
DE3581496D1 (de) 1991-02-28
CN85107878A (zh) 1986-05-10
AR240877A2 (es) 1991-03-27
NO854616L (no) 1986-05-21
JPH0582261B2 (ko) 1993-11-18
ATE60256T1 (de) 1991-02-15
CA1264728A (en) 1990-01-23
EP0182078B1 (de) 1991-01-23
IN166342B (ko) 1990-04-14
JPS61181540A (ja) 1986-08-14
EP0182078A2 (de) 1986-05-28
IT8423671A1 (it) 1986-05-20
US4668652A (en) 1987-05-26
ES8608927A1 (es) 1986-09-01

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