FIELD: cryogenics. SUBSTANCE: apparatus has two separators 2, 11 phases, driving off column 3 and apparatus to remove nitrogen. Separator 2 divides raw material for first vapor and first liquid, then first liquid i divided in driving off column 3 for nitrogen beneficiated and methane beneficiated fractions. Nitrogen beneficiated fraction is fed to be rectified in apparatus to remove nitrogen and methane beneficiated fraction is derived as ready product. After partial condensation firs vapor in separator 11, in which it is divided for second vapor and second liquid. Second vapor is fed for rectification and second liquid - for division in driving off column. EFFECT: method and apparatus are used in cryogenics to separate nitrogen and methane by cryogenic rectification. 8 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR PRODUCTION NITROGEN-FREE ARGON | 1992 |
|
RU2069825C1 |
| METHOD OF DIAPHRAGM SEPARATION OF GASES AND DIAPHRAGM SYSTEM | 1991 |
|
RU2035981C1 |
| COLUMN STRUCTURIZED PACKING AND DISTILLATION PROCESS | 1992 |
|
RU2036717C1 |
| GAS-PERMEABLE MEMBRANE, METHOD FOR SEPARATION OF COMPONENT FROM GAS PHASE | 1991 |
|
RU2026727C1 |
| APPARATUS FOR STORING AND REFINING MOLTEN ALUMINIUM | 1992 |
|
RU2092600C1 |
| METHOD FOR GAS DEHYDRATION | 1991 |
|
RU2050954C1 |
| BATH FOR ALUMINUM SMELT KEEPING AND REFINING | 1990 |
|
RU2074907C1 |
| APPARATUS FOR REFINING ALUMINIUM SMELT AND DEVICE FOR DISPERSION SUPPLY OF GAS INTO ALUMINIUM SMELT IN APPARATUS FOR REFINING ALUMINIUM SMELT | 1992 |
|
RU2090635C1 |
| PROCESS FOR PREPARING ESTERS | 1992 |
|
RU2045513C1 |
| CRYOGENIC METHOD OF PRODUCING NITROGEN FROM AIR | 1990 |
|
RU2069293C1 |
