FIELD: membrane technologies.
SUBSTANCE: invention relates to membrane technology and can be used for removal of water vapor and other condensed components from natural and process gas mixtures. Invention is a method of removing condensed components from gas mixtures by absorbing vapors with a cooled absorbent through a nanoporous membrane. Disclosed method of removing vapors using cooled absorbent allows reducing temperature of dew point of prepared gas to values by 10–15 °C lower than temperature of cooled absorbent, and drying to achieve performance of 12 n⋅m3/(m2(the membrane)⋅h), which corresponds to a specific volumetric productivity 40,000 n⋅m3/(m3(apparatus)⋅h).
EFFECT: technical result achieved using the claimed invention is to provide a reduction in the maximum achievable dew point drying gas by reducing the equilibrium partial vapor pressure above the absorbent solution is cooled by more than 20 °C.
10 cl, 6 dwg, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF RETRIEVING COMPONENTS FROM NATURAL AND PETRACTION OF TECHNOLOGICAL GAS MIXTURES ON NANOPOROUS MEMBRANES | 2016 |
|
RU2626645C1 |
| MEMBRANE CONTACTOR FOR CLEANING NATURAL AND TECHNOLOGICAL GASES FROM ACID COMPONENTS | 2018 |
|
RU2672452C1 |
| MODIFIED NANOPOROUS POLYMER MEMBRANE WITH IMPROVED WATER-REPELLENT PROPERTIES FOR MEMBRANE CONTACTORS AND METHOD PRODUCTION THEREOF | 2018 |
|
RU2718928C1 |
| COMPOSITE MEMBRANE FOR DRYING NATURAL AND PROCESS GAS MIXTURES BASED ON GRAPHENE OXIDE INTERCALATED WITH HYDROXYLATED FULLERENE DERIVATIVES | 2019 |
|
RU2730320C1 |
| METHOD FOR INCREASING SELECTIVITY OF NANOPOROUS MEMBRANES FOR EXTRACTION OF CONDENSED COMPONENTS FROM GAS MIXTURES AND MODIFIED MEMBRANE OBTAINED USING SAID METHOD | 2017 |
|
RU2696445C2 |
| METHOD FOR FRACTIONATION OF LOW-MOLECULAR HYDROCARBONS MIXTURES USING CAPILLARY CONDENSATION ON MICROPOROUS MEMBRANES | 2015 |
|
RU2596257C1 |
| COMPOSITE MEMBRANE FOR DRYING GAS MIXTURES BASED ON A MICROPOROUS POLYMER IN POROUS MATRIX | 2018 |
|
RU2720247C1 |
| METHOD FOR SEPARATING AMMONIA FROM CIRCULATING GAS FOR AMMONIA SYNTHESIS AND DEVICE FOR ITS IMPLEMENTATION | 2023 |
|
RU2810484C1 |
| METHOD FOR COMPLEX EXTRACTION OF VALUABLE ADMIXTURES FROM NATURAL HELIUM-CONTAINING HYDROCARBON GAS WITH HIGH NITROGEN CONTENT | 2014 |
|
RU2597081C2 |
| METHOD OF NATURAL GAS CLEANING FROM IMPURITIES DURING ITS PREPARATION FOR PRODUCTION OF LIQUEFIED METHANE, ETHANE AND HYDROCARBONS WIDE FRACTION | 2015 |
|
RU2602908C9 |
