DE3135280C2 - - Google Patents
Info
- Publication number
- DE3135280C2 DE3135280C2 DE19813135280 DE3135280A DE3135280C2 DE 3135280 C2 DE3135280 C2 DE 3135280C2 DE 19813135280 DE19813135280 DE 19813135280 DE 3135280 A DE3135280 A DE 3135280A DE 3135280 C2 DE3135280 C2 DE 3135280C2
- Authority
- DE
- Germany
- Prior art keywords
- methanol
- methyl formate
- free
- mixtures
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 66
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 7
- 238000004821 distillation Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 150000005846 sugar alcohols Polymers 0.000 claims description 3
- 238000000895 extractive distillation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 2
- 230000006315 carbonylation Effects 0.000 description 2
- 238000005810 carbonylation reaction Methods 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 229940057952 methanol Drugs 0.000 description 2
- QKJZGZIHQKQLOE-UHFFFAOYSA-N 2-methoxy-4-methyl-1,3-dioxolane Chemical compound COC1OCC(C)O1 QKJZGZIHQKQLOE-UHFFFAOYSA-N 0.000 description 1
- 229910015900 BF3 Inorganic materials 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- WSMYVTOQOOLQHP-UHFFFAOYSA-N Malondialdehyde Chemical group O=CCC=O WSMYVTOQOOLQHP-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000001072 colon Anatomy 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229940118019 malondialdehyde Drugs 0.000 description 1
- 239000002032 methanolic fraction Substances 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 150000002905 orthoesters Chemical class 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813135280 DE3135280A1 (de) | 1981-09-05 | 1981-09-05 | Verfahren zur gewinnung von mehtanolfreiem mehtylformiat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813135280 DE3135280A1 (de) | 1981-09-05 | 1981-09-05 | Verfahren zur gewinnung von mehtanolfreiem mehtylformiat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3135280A1 DE3135280A1 (de) | 1983-03-24 |
| DE3135280C2 true DE3135280C2 (enrdf_load_stackoverflow) | 1990-06-21 |
Family
ID=6141004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813135280 Granted DE3135280A1 (de) | 1981-09-05 | 1981-09-05 | Verfahren zur gewinnung von mehtanolfreiem mehtylformiat |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3135280A1 (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4597834A (en) * | 1983-04-14 | 1986-07-01 | Lloyd Berg | Separation of methyl acetate from methanol by extractive distillation |
| US5094724A (en) * | 1991-04-19 | 1992-03-10 | Lloyd Berg | Separation of methylene chloride from the lower formates by extractive distillation |
| CN106431924B (zh) * | 2016-09-19 | 2019-01-08 | 青岛科技大学 | 一种分离甲酸甲酯-甲醇-水混合物的节能方法 |
-
1981
- 1981-09-05 DE DE19813135280 patent/DE3135280A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3135280A1 (de) | 1983-03-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8330 | Complete disclaimer |