GB352647A - Improved process and apparatus for the continuous production of esters of ethyl alcohol - Google Patents
Improved process and apparatus for the continuous production of esters of ethyl alcoholInfo
- Publication number
- GB352647A GB352647A GB15777/30A GB1577730A GB352647A GB 352647 A GB352647 A GB 352647A GB 15777/30 A GB15777/30 A GB 15777/30A GB 1577730 A GB1577730 A GB 1577730A GB 352647 A GB352647 A GB 352647A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pipe
- column
- alcohol
- esters
- vapour
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
- C07C69/22—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety
- C07C69/24—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with monohydroxylic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/62—Halogen-containing esters
- C07C69/63—Halogen-containing esters of saturated acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Esters of ethyl alcohol with fatty acids, particularly acetic acid are obtained by leading the vapour mixture which passes off when de-spiriting mashes into a column system where successive esterification, removal of excess alcohol from the ester, and return of the unchanged alcohol are combined in a continuous process. Mineral acids or other suitable esterification catalysts may be present. Dilute acetic acid, for example, raw pyroligneous acid from the fermentation of wood may be used. Any methanol or higher alcohols present in the vapour mixture are converted to corresponding esters, which can be recovered by distilling the final product. In one embodiment, mash enters a column 2 through a pipe 1, volatile constituents are separated, and, after passing through a dephlegmator, leave as vapour through a pipe 3. If the mash contains large amounts of aldehyde, this can be separated by arranging a first runnings column behind the column 2. The non-volatile impurities in the mash pass out through a pipe 4. The vapours now flow through pipe 5a and 5b into an esterifying column 6 into which raw acetic acid, together with mineral acid if desired, flow from a container 8 through a pipe 7. The ethyl acetate and other esters produced together with excess alcohol and water vapour leave through the pipe 9 and enter a washing column 10 into which hot water flows from a tank 11 through a pipe 12. Ethyl acetate with any other esters formed leave as vapour through a pipe 13. Waste water containing uncharged alcohol passes out through a pipe 14 into a de-spiriting column 15, into which also passes the outflow from the washing column 10 through pipe 16. The vapour mixture of alcohol and steam with small quantities of ethyl acetate from the column 10 passes through the pipe 17 into the pipe 3 and is thus returned to the esterifying column 6. The de-spirited liquors leave the column 15 through a pipe 18. In another form, the columns 2, 15 having substantially the same function are replaced by a single column. An example of the treatment of a sulphite liquor is given.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE352647X | 1929-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB352647A true GB352647A (en) | 1931-07-16 |
Family
ID=6276634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15777/30A Expired GB352647A (en) | 1929-07-23 | 1930-05-22 | Improved process and apparatus for the continuous production of esters of ethyl alcohol |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR696361A (en) |
| GB (1) | GB352647A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2757539A1 (en) * | 1996-12-24 | 1998-06-26 | Bioconversion | Motor fuel and heating fuel production from vegetable sources |
| CN108314622A (en) * | 2018-05-04 | 2018-07-24 | 南通百川新材料有限公司 | A kind of new acetic acid ethyl ester extracting system |
-
1930
- 1930-05-22 GB GB15777/30A patent/GB352647A/en not_active Expired
- 1930-05-31 FR FR696361D patent/FR696361A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2757539A1 (en) * | 1996-12-24 | 1998-06-26 | Bioconversion | Motor fuel and heating fuel production from vegetable sources |
| CN108314622A (en) * | 2018-05-04 | 2018-07-24 | 南通百川新材料有限公司 | A kind of new acetic acid ethyl ester extracting system |
Also Published As
| Publication number | Publication date |
|---|---|
| FR696361A (en) | 1930-12-30 |
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