FIELD: petrochemical industry; methods of purification of industrial gases outbursts.
SUBSTANCE: the invention is pertaining to the field of petrochemical industry, in particular, to the method of, purification of the industrial gas outbursts formed in the reprocessing of alkylenes oxides. The industrial gas outbursts containing alkylenes oxides and carbonyl compounds are cooled, then they are subjected to absorption by the water solution of glycols containing 10-60 mass % of glycols and 0.1-5.0 mass % of alkali with the subsequent hydration of the alkylenes oxides and the recycling of the absorber into the phase of absorption. The gaseous outbursts before the phase of absorption are cooled up to the temperature of minus 5 - minus 40°C. The absorber after hydration of alkylenes oxides is subjected to reducing hydrogenation. The technical result of the invention is purification of the industrial gaseous outbursts from the alkylenes oxides and carbonyl compounds up to the ecologically safe concentrations.
EFFECT: the invention ensures purification of the industrial gaseous outbursts from alkylenes oxides and carbonyl compounds up to the ecologically safe concentrations.
3 cl, 3 tbl, 5 ex, 1 dwg
Title | Year | Author | Number |
---|---|---|---|
METHOD OF ISOLATION OF ETHYLENE OXIDE | 1998 |
|
RU2135488C1 |
METHOD OF CLEANING GASES FROM OLEFIN OXIDES | 0 |
|
SU997763A1 |
METHOD OF ETHYLENE OXIDE ISOLATION | 1990 |
|
RU1790179C |
METHOD FOR ISOLATION OF ETHYLENE OXIDE | 2002 |
|
RU2220963C1 |
METHOD FOR PROCESSING REFINERY GASES | 2017 |
|
RU2688932C1 |
PROCESS FOR PREPARING C-C ALDEHYDES | 1991 |
|
RU2041198C1 |
METHOD OF SEPARATING ETHYLENE OF POLYMERISATION PURITY FROM CATALYTIC CRACKING GASES | 2012 |
|
RU2501779C1 |
METHOD OF PRODUCING ALKYLENE GLYCOL | 2008 |
|
RU2477718C2 |
METHOD FOR STABILIZING PROCESS IN ISOLATION OF ETHYLENE OXIDE | 2003 |
|
RU2237665C1 |
METHOD AND SYSTEM DESIGNED FOR SEPARATION OF LIGHT HYDROCARBONS | 2019 |
|
RU2800870C2 |
Authors
Dates
2006-06-20—Published
2005-03-23—Filed