BE526228A - - Google Patents
Info
- Publication number
- BE526228A BE526228A BE526228DA BE526228A BE 526228 A BE526228 A BE 526228A BE 526228D A BE526228D A BE 526228DA BE 526228 A BE526228 A BE 526228A
- Authority
- BE
- Belgium
- Prior art keywords
- acid
- mixture
- formic acid
- acetic
- sep
- Prior art date
Links
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 77
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 66
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 42
- 235000019253 formic acid Nutrition 0.000 claims description 38
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 37
- 239000000203 mixture Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 235000011054 acetic acid Nutrition 0.000 description 15
- 235000014113 dietary fatty acids Nutrition 0.000 description 6
- 229930195729 fatty acid Natural products 0.000 description 6
- 239000000194 fatty acid Substances 0.000 description 6
- 150000004665 fatty acids Chemical class 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000010533 azeotropic distillation Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 150000001243 acetic acids Chemical class 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000004672 propanoic acids Chemical class 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000000926 separation method 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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (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 |
|---|---|
| BE526228A true BE526228A (cg-RX-API-DMAC10.html) |
Family
ID=160256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE526228D BE526228A (cg-RX-API-DMAC10.html) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE526228A (cg-RX-API-DMAC10.html) |
-
0
- BE BE526228D patent/BE526228A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2188380B1 (fr) | Procédé de coproduction de 7-oxoheptanoate de méthyle et d'acide undécylénique a partir d'acide ricinoléique | |
| FR2515638A1 (fr) | Procede pour separer l'a-acetoxy- ou propionyloxy-propionaldehyde d'une solution aqueuse le contenant | |
| FR3024143A1 (fr) | Procede perfectionne de fabrication de (meth)acrylates d'alkyle | |
| EP3259247B1 (fr) | Procédé de production de 1,3-butadiène à partir de 1,4-butanediol | |
| BE526228A (cg-RX-API-DMAC10.html) | ||
| EP1202950A1 (en) | Recovery of polyunsaturated fatty acids from urea adducts | |
| CN1852903A (zh) | 环氧丙烷纯化工艺 | |
| FR2901272A1 (fr) | Procede perfectionne de fabrication de (meth)acrylates d'alkyle en c1-c4 | |
| EP3525900A1 (fr) | Procede de purification d'une solution aqueuse comprenant du diethylacetal | |
| BE512888A (cg-RX-API-DMAC10.html) | ||
| BE423654A (cg-RX-API-DMAC10.html) | ||
| FR2477140A1 (fr) | Procede de preparation d'a-cetoxy ou a-propionyloxy-propionaldehyde | |
| BE523389A (cg-RX-API-DMAC10.html) | ||
| BE408470A (cg-RX-API-DMAC10.html) | ||
| CN119191966A (zh) | 一种长链二元酸的提取纯化工艺和产品 | |
| BE448884A (cg-RX-API-DMAC10.html) | ||
| FR2478628A1 (fr) | Procede pour l'obtention du dimethylterephtalate | |
| BE440341A (cg-RX-API-DMAC10.html) | ||
| BE408469A (cg-RX-API-DMAC10.html) | ||
| BE620845A (cg-RX-API-DMAC10.html) | ||
| BE443745A (cg-RX-API-DMAC10.html) | ||
| BE578748A (cg-RX-API-DMAC10.html) | ||
| BE479164A (cg-RX-API-DMAC10.html) | ||
| BE575917A (cg-RX-API-DMAC10.html) | ||
| BE537428A (cg-RX-API-DMAC10.html) |