FIELD: process engineering.
SUBSTANCE: proposed invention may be used in oil, gas, oil processing and petrochemical industries. Method comprises bringing gas in contact with alkanolamine solutions in the presence of polysulphides stabilised by alkali. For this aqueous solution of mono colamine and methyldicolamine is fed in the following ratio of components, in wt %, i.e. mono colamine - 9-18%, methylcolamine - 24-42, and water making the rest.
EFFECT: higher degree to removal hydrocarbons from gases with low pressure (from 0,6 kgf/cm), increased selectivity in presence of carbon dioxide, reduced rate or corrosion and costs.
2 tbl, 1 ex
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|
RU2586159C1 |
| ABSORBENT FOR REMOVING HS AND CO FROM GASES | 2012 |
|
RU2513400C1 |
| METHOD OF OBTAINING INHIBITOR FOR ALKANOLAMINE ABSORBENTS OF GAS PURIFICATION FROM ACID COMPONENTS AND ABSORBENT | 2014 |
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| METHOD FOR CLEANING GAS FROM ACID COMPONENTS | 1989 |
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| REMOVAL OF AROMATIC HYDROCARBONS FROM POOR ACIDIC GAS MATERIAL FOR PRODUCTION OF SULPHUR | 2016 |
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| METHOD OF PURIFYING LIQUEFIED HYDROCARBON GASES FROM MOLECULAR SULPHUR, SULPHUR COMPOUNDS AND CARBON DIOXIDE | 2019 |
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| METHOD OF INCREASING EFFICIENCY OF REMOVING CARBON DIOXIDE AND HYDROGEN SULPHIDE FROM METHANE-CONTAINING GAS MIXTURES | 2022 |
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RU2823675C2 |
