CH419096A - Procédé de purification d'anhydride maléique brut - Google Patents
Procédé de purification d'anhydride maléique brutInfo
- Publication number
- CH419096A CH419096A CH860261A CH860261A CH419096A CH 419096 A CH419096 A CH 419096A CH 860261 A CH860261 A CH 860261A CH 860261 A CH860261 A CH 860261A CH 419096 A CH419096 A CH 419096A
- Authority
- CH
- Switzerland
- Prior art keywords
- maleic anhydride
- crude
- purification
- product
- crude maleic
- Prior art date
Links
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 title claims description 33
- 238000000746 purification Methods 0.000 title claims description 10
- 239000003513 alkali Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 6
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 6
- 239000011976 maleic acid Substances 0.000 claims description 6
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 239000011541 reaction mixture Substances 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 15
- 239000000463 material Substances 0.000 description 11
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000008096 xylene Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910001413 alkali metal ion Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 229910001935 vanadium oxide Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000010936 aqueous wash Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005406 washing Methods 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
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4428160A | 1960-07-21 | 1960-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH419096A true CH419096A (fr) | 1966-08-31 |
Family
ID=21931489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH860261A CH419096A (fr) | 1960-07-21 | 1961-07-21 | Procédé de purification d'anhydride maléique brut |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE606201A (en)) |
| CH (1) | CH419096A (en)) |
| DE (1) | DE1443113C3 (en)) |
| ES (1) | ES269249A1 (en)) |
| GB (1) | GB993712A (en)) |
| LU (1) | LU40405A1 (en)) |
| SE (1) | SE307349B (en)) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3504146A1 (de) * | 1985-02-07 | 1986-08-07 | Basf Ag, 6700 Ludwigshafen | Verfahren zur gewinnung von hochreinem maleinsaeureanhydrid aus rohem maleinsaeureanhydrid |
-
1961
- 1961-07-17 BE BE606201A patent/BE606201A/fr unknown
- 1961-07-17 LU LU40405D patent/LU40405A1/xx unknown
- 1961-07-20 ES ES0269249A patent/ES269249A1/es not_active Expired
- 1961-07-20 GB GB2637161A patent/GB993712A/en not_active Expired
- 1961-07-21 SE SE752861A patent/SE307349B/xx unknown
- 1961-07-21 CH CH860261A patent/CH419096A/fr unknown
- 1961-07-21 DE DE19611443113 patent/DE1443113C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE307349B (en)) | 1969-01-07 |
| DE1443113A1 (de) | 1969-04-10 |
| BE606201A (fr) | 1961-11-16 |
| DE1443113C3 (de) | 1973-12-20 |
| LU40405A1 (en)) | 1961-09-18 |
| DE1443113B2 (de) | 1973-05-17 |
| ES269249A1 (es) | 1961-12-16 |
| GB993712A (en) | 1965-06-02 |
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