BE624194A - - Google Patents
Info
- Publication number
- BE624194A BE624194A BE624194DA BE624194A BE 624194 A BE624194 A BE 624194A BE 624194D A BE624194D A BE 624194DA BE 624194 A BE624194 A BE 624194A
- Authority
- BE
- Belgium
- Prior art keywords
- catalyst
- reaction
- temperature
- maleic acid
- mixture
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 29
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 19
- 239000003054 catalyst Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 17
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 12
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 12
- 239000011976 maleic acid Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 8
- 239000011541 reaction mixture Substances 0.000 claims description 7
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 14
- 239000000243 solution Substances 0.000 description 13
- 239000002253 acid Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 10
- 239000001530 fumaric acid Substances 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000006317 isomerization reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 239000007809 chemical reaction catalyst Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 206010012218 Delirium Diseases 0.000 description 1
- 241000594011 Leuciscus leuciscus Species 0.000 description 1
- 241001408653 Siona Species 0.000 description 1
- 235000007244 Zea mays Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- MEFOUWRMVYJCQC-UHFFFAOYSA-N rimsulfuron Chemical compound CCS(=O)(=O)C1=CC=CN=C1S(=O)(=O)NC(=O)NC1=NC(OC)=CC(OC)=N1 MEFOUWRMVYJCQC-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/353—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by isomerisation; by change of size of the carbon skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE624194A true BE624194A (enrdf_load_stackoverflow) |
Family
ID=195991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE624194D BE624194A (enrdf_load_stackoverflow) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE624194A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1273526B (de) * | 1963-10-25 | 1968-07-25 | Halcon International Inc | Verfahren zur Herstellung von Furmarsaeure |
-
0
- BE BE624194D patent/BE624194A/fr unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1273526B (de) * | 1963-10-25 | 1968-07-25 | Halcon International Inc | Verfahren zur Herstellung von Furmarsaeure |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH297012A (fr) | Procédé de fabrication de nitriles aliphatiques non saturés. | |
CN109535089B (zh) | 一种1h-1,2,3-三氮唑的制备方法 | |
EP1265845B1 (fr) | Procede d'hydrogenation de fonctions nitriles en fonctions amines | |
BE1006301A5 (fr) | Alpha- et beta- octogene stabilise et granule. | |
FR2463116A1 (fr) | Procede pour la production d'un acide polycarboxylique aromatique comportant au moins trois radicaux carboxyle | |
EP0008548B1 (fr) | Nouveau procédé de préparation du disulfure de benzothiazyle | |
BE624194A (enrdf_load_stackoverflow) | ||
JPS6045538A (ja) | アルカンの液相酸化 | |
FR2467842A1 (fr) | Procede pour la production d'iminodiacetonitrile | |
EP0169107A1 (fr) | Procédé de purification du mercaptobenzothiazole | |
FR2610321A1 (fr) | Nouveau procede de synthese du n-amino aza-3 bicyclo (3, 3, 0) octane | |
CH393353A (fr) | Procédé pour éliminer les impuretés de l'hexaméthylène diamine | |
FR2482096A1 (fr) | Procede de production de tolylthio-uree a partir de toluidine et de thiocyanate | |
BE633933A (enrdf_load_stackoverflow) | ||
CH394142A (fr) | Procédé pour la préparation de polyalcools monomères par hydrogénation de polysaccharides hydrolysables | |
FR2544310A1 (fr) | Procede de preparation de la s-carboxymethylcysteine | |
CH395123A (fr) | Procédé de fabrication catalytique d'éthylène-diamine | |
BE519858A (enrdf_load_stackoverflow) | ||
BE505572A (enrdf_load_stackoverflow) | ||
CH429701A (fr) | Procédé de production d'isocyanates organiques | |
BE525639A (enrdf_load_stackoverflow) | ||
BE467102A (enrdf_load_stackoverflow) | ||
BE625394A (enrdf_load_stackoverflow) | ||
BE557032A (enrdf_load_stackoverflow) | ||
BE620082A (enrdf_load_stackoverflow) |