BE529923A - - Google Patents
Info
- Publication number
- BE529923A BE529923A BE529923DA BE529923A BE 529923 A BE529923 A BE 529923A BE 529923D A BE529923D A BE 529923DA BE 529923 A BE529923 A BE 529923A
- Authority
- BE
- Belgium
- Prior art keywords
- acids
- distillation
- product
- water
- column
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 28
- 238000004821 distillation Methods 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 25
- 235000011054 acetic acid Nutrition 0.000 claims description 20
- 150000007513 acids Chemical class 0.000 claims description 20
- 235000019253 formic acid Nutrition 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- 238000004508 fractional distillation Methods 0.000 claims description 16
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 238000009835 boiling Methods 0.000 claims description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims description 14
- 150000004674 formic acids Chemical class 0.000 claims description 12
- 150000001243 acetic acids Chemical class 0.000 claims description 11
- -1 aliphatic monocarboxylic acids Chemical class 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 3
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 claims 1
- 238000005292 vacuum distillation Methods 0.000 claims 1
- 230000003647 oxidation Effects 0.000 description 24
- 238000007254 oxidation reaction Methods 0.000 description 24
- 239000002585 base Substances 0.000 description 15
- 239000012535 impurity Substances 0.000 description 15
- 239000007791 liquid phase Substances 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 150000002148 esters Chemical class 0.000 description 8
- 238000005194 fractionation Methods 0.000 description 8
- 238000010992 reflux Methods 0.000 description 8
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 7
- ZMZINYUKVRMNTG-UHFFFAOYSA-N acetic acid;formic acid Chemical compound OC=O.CC(O)=O ZMZINYUKVRMNTG-UHFFFAOYSA-N 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 5
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 150000001728 carbonyl compounds Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000001944 continuous distillation Methods 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000003039 volatile agent Substances 0.000 description 2
- NQRLWRODNCDUHY-UHFFFAOYSA-N 6-n,6-n,2-trimethylacridine-3,6-diamine Chemical compound C1=C(C)C(N)=CC2=NC3=CC(N(C)C)=CC=C3C=C21 NQRLWRODNCDUHY-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000126 substance Substances 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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural 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 |
|---|---|
| BE529923A true BE529923A (enrdf_load_stackoverflow) |
Family
ID=162740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE529923D BE529923A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE529923A (enrdf_load_stackoverflow) |
-
0
- BE BE529923D patent/BE529923A/fr unknown
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