FIELD: technological processes.
SUBSTANCE: invention relates to a process for production of acetic acid, comprising a reaction of methanol and carbon monoxide in the presence of a liquid reaction medium containing iodide, under carbonylation conditions sufficient to form acetic acid, where the liquid reaction medium contains a carbonylation catalyst selected from the group consisting of rhodium catalysts, iridium catalysts and palladium catalysts; from 1 wt.% to 14 wt.% of water and one or more additives, where the ratio of additive to iodide is from 1:1 to 5:1, derivatives of one or more additives generated in-situ, or combinations thereof; where one or more additives contains a mixture of compounds of tri-n-octylphosphine oxide (TOPO), tri-n-hexylphosphine oxide (TNPO), dihexylmonooctylphosphine oxide and dioctylmonohexylphosphine oxide; and the technological process of extraction of acetic acid.
EFFECT: method allows to reduce corrosion in the process.
14 cl, 9 dwg, 13 tbl, 10 ex
| Title | Year | Author | Number |
|---|---|---|---|
| IMPROVED METHOD FOR REGULATING A WATER CONTENT IN A TECHNOLOGICAL PRODUCTION PROCESS OF ACETIC ACID | 2015 |
|
RU2658011C1 |
| METHOD OF PREPARING ACETIC ACID BY CARBONYLATION | 1996 |
|
RU2160248C2 |
| METHOD OF SYNTHESIS OF C-C-CARBOXYLIC ACID | 1997 |
|
RU2181118C2 |
| PROCESS OF PRODUCING ACETIC ACID | 2013 |
|
RU2606125C2 |
| METHOD OF CARBONYLATION OF ALKYL-ALIPHATIC ALCOHOLS AND/OR REACTIVE DERIVATIVES THEREOF | 1996 |
|
RU2167850C2 |
| PROCESS FOR ACETIC ACID PRODUCTION | 2012 |
|
RU2572842C1 |
| METHOD OF PRODUCTION OF ACETIC ACID BY CARBONYLATION IN THE PRESENCE OF IRIDIUM CATALYST | 1997 |
|
RU2183618C2 |
| REMOVAL OF ALDEHYDES WHEN PRODUCING ACETIC ACID | 2013 |
|
RU2595035C1 |
| METHOD FOR PRODUCTION OF ACETIC ACID VIA CARBONYLATION OF METHANOL AND/OR ITS REACTIVE DERIVATIVE | 1997 |
|
RU2184724C2 |
| PRODUCTION OF ACETIC ACID | 2009 |
|
RU2510936C2 |
