RO72387B - Compozitie catalitica folosita la obtinerea acizilor nesaturati si procedeul de obtinere a acesteia - Google Patents
Compozitie catalitica folosita la obtinerea acizilor nesaturati si procedeul de obtinere a acesteiaInfo
- Publication number
- RO72387B RO72387B RO90399A RO9039977A RO72387B RO 72387 B RO72387 B RO 72387B RO 90399 A RO90399 A RO 90399A RO 9039977 A RO9039977 A RO 9039977A RO 72387 B RO72387 B RO 72387B
- Authority
- RO
- Romania
- Prior art keywords
- obtaining
- composition used
- catalytic composition
- same
- saturated acids
- Prior art date
Links
Classifications
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
Compozitie catalitica folosita la obtinerea acizilor nesaturati, constituita din oxizi de molibden, vanadiu, wolfram si cobalt, caracterizata prin aceea ca, în scopul maririi randamentelor, concomitent cu mentinerea unor grade de conversie ridicate, oxizii de molibden, vanadiu, wolfram si cobalt, sunt asociati în astfel de proportii încît sa corespunda formulei empirice: (vezi formula) în care simbolurile: a, b, c si d reprezinta numarul de atomi care intra în constitutia amestecului si sunt egale cu: a=1,5...3,0 de preferinta 2...2,4, b= 0...0.5 de preferinta 0...0,3; c= 3,5x6,5 de preferinta 3,9...4,3; d are valoarea necesara satisfacerii valentelor celorlalte elemente.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT23448/76A IT1063376B (it) | 1976-05-20 | 1976-05-20 | Procedimento per la preparazione di acidi carbossilici insaturi per ossidazione catalitica in fase gassosa delle corrispondenti aldeidi |
Publications (2)
Publication Number | Publication Date |
---|---|
RO72387B true RO72387B (ro) | 1983-01-30 |
RO72387A RO72387A (ro) | 1983-02-01 |
Family
ID=11207177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO7790399A RO72387A (ro) | 1976-05-20 | 1977-05-19 | Compozitie catalitica folosita la obtinerea acizilor nesaturati si procedeul de obtinere a acesteia |
Country Status (16)
Country | Link |
---|---|
US (1) | US4146732A (ro) |
JP (1) | JPS52142012A (ro) |
BE (1) | BE854864A (ro) |
BR (1) | BR7703205A (ro) |
CA (1) | CA1089432A (ro) |
CS (1) | CS196363B2 (ro) |
DE (1) | DE2722352A1 (ro) |
ES (1) | ES459270A1 (ro) |
FR (1) | FR2351941A1 (ro) |
GB (1) | GB1525908A (ro) |
IT (1) | IT1063376B (ro) |
MX (1) | MX149540A (ro) |
NL (1) | NL7705380A (ro) |
PL (1) | PL106850B1 (ro) |
RO (1) | RO72387A (ro) |
SU (1) | SU715011A1 (ro) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100204729B1 (ko) * | 1997-03-17 | 1999-06-15 | 성재갑 | 아크롤레인 부분산화용 촉매의 제조 방법 |
DE19815278A1 (de) * | 1998-04-06 | 1999-10-07 | Basf Ag | Multimetalloxidmassen |
US6384275B2 (en) | 1998-09-23 | 2002-05-07 | Lg Chem, Ltd. | Method of producing acrylic acid using a catalyst for acrolein oxidation |
US6620968B1 (en) | 1999-11-23 | 2003-09-16 | Rohm And Haas Company | High hydrocarbon space velocity process for preparing unsaturated aldehydes and acids |
DE10046928A1 (de) * | 2000-09-21 | 2002-04-11 | Basf Ag | Verfahren zur Herstellung von Multimetalloxidmassen |
US20060205978A1 (en) * | 2002-08-20 | 2006-09-14 | Nippon Shokubai Co., Ltd. | Production process for catalyst |
JP4646684B2 (ja) * | 2005-04-18 | 2011-03-09 | 株式会社日本触媒 | 気相酸化触媒およびそれを用いたアクリル酸の製造方法 |
MX2008015540A (es) | 2007-12-26 | 2009-06-26 | Rohm Ahd Haas Company | Un proceso integrado para preparar un acido carboxilico a partir de un alcano. |
EP2143704A1 (en) | 2008-07-10 | 2010-01-13 | Rohm and Haas Company | An integrated process for preparing a carboxylic acid from an alkane |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE607864A (ro) * | 1959-02-17 | |||
NL147411B (nl) * | 1968-05-13 | 1975-10-15 | Rikagaku Kenkyusho | Werkwijze ter bereiding van acrylzuur door katalytische oxydatie van acrolein in de dampfase. |
IT1001977B (it) * | 1973-11-28 | 1976-04-30 | Sir Soc Italiana Resine Spa | Procedimento per la preparazione di acrilato di metile o di miscele di acrilato di metile ed acido acri lico |
-
1976
- 1976-05-20 IT IT23448/76A patent/IT1063376B/it active
-
1977
- 1977-05-16 NL NL7705380A patent/NL7705380A/xx not_active Application Discontinuation
- 1977-05-17 DE DE19772722352 patent/DE2722352A1/de not_active Withdrawn
- 1977-05-17 US US05/797,671 patent/US4146732A/en not_active Expired - Lifetime
- 1977-05-17 FR FR7715025A patent/FR2351941A1/fr active Granted
- 1977-05-18 JP JP5652777A patent/JPS52142012A/ja active Pending
- 1977-05-18 GB GB20958/77A patent/GB1525908A/en not_active Expired
- 1977-05-18 BR BR3205/77A patent/BR7703205A/pt unknown
- 1977-05-18 CA CA278,667A patent/CA1089432A/en not_active Expired
- 1977-05-19 CS CS773308A patent/CS196363B2/cs unknown
- 1977-05-19 ES ES459270A patent/ES459270A1/es not_active Expired
- 1977-05-19 SU SU2484351A patent/SU715011A1/ru active
- 1977-05-19 PL PL1977198231A patent/PL106850B1/pl unknown
- 1977-05-19 RO RO7790399A patent/RO72387A/ro unknown
- 1977-05-20 BE BE177764A patent/BE854864A/xx not_active IP Right Cessation
- 1977-05-30 MX MX169204A patent/MX149540A/es unknown
Also Published As
Publication number | Publication date |
---|---|
BE854864A (fr) | 1977-11-21 |
RO72387A (ro) | 1983-02-01 |
DE2722352A1 (de) | 1977-12-01 |
ES459270A1 (es) | 1978-03-01 |
BR7703205A (pt) | 1978-01-31 |
SU715011A3 (en) | 1980-02-05 |
CA1089432A (en) | 1980-11-11 |
NL7705380A (nl) | 1977-11-22 |
PL106850B1 (pl) | 1980-01-31 |
GB1525908A (en) | 1978-09-27 |
IT1063376B (it) | 1985-02-11 |
SU715011A1 (ru) | 1980-02-05 |
PL198231A1 (pl) | 1978-04-10 |
JPS52142012A (en) | 1977-11-26 |
FR2351941A1 (fr) | 1977-12-16 |
US4146732A (en) | 1979-03-27 |
CS196363B2 (en) | 1980-03-31 |
MX149540A (es) | 1983-11-23 |
FR2351941B1 (ro) | 1979-09-07 |
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