FIELD: gasoline production.
SUBSTANCE: method comprises vapor-phase adsorption dewaxing of straight-run gasoline fraction with calcium adsorbent followed by desorption of adsorbed paraffins with purge gas in direction coinciding with feedstock travel and adsorbed paraffin collection direction. Taking away paraffins and catalytic conversion thereof are accomplished in the same apparatus in presence of zeolite-containing composition consisting of, in downstream direction, modified calcium adsorbent and immediately following it layer of high-modulus zinc-containing catalyst an layer-to-layer volume ratio (4-5):1, respectively. Adsorption is conducted at 220-250°C and atmosphere pressure. Regeneration of modified calcium adsorbent and catalysis of desorbed products are conducted on high-modulus zinc-containing catalyst at 320-350°C. Dewaxed product and catalyzate are finally combined.
EFFECT: enabled preparation of additional amounts of high-octane motor gasoline component from low-octane gasoline fractions.
1 dwg, 3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING HIGH-ANTIKNOCK GASOLINE COMPONENT ON ZEOLITE-CONTAINING CATALYST | 2002 |
|
RU2221004C1 |
| METHOD OF PRODUCING HIGH OCTANE NUMBER GASOLINE COMPONENT | 0 |
|
SU732363A1 |
| METHOD OF HIGH-OCTANE BENZINE AND AROMATIC HYDROCARBONS PRODUCTION | 0 |
|
SU1772137A1 |
| METHOD OF PROCESSING COMMERCIAL-GRADE C-C-HYDROCARBON FRACTION | 1999 |
|
RU2159268C1 |
| METHOD OF HYDROCARBON ISOMERISATION | 2006 |
|
RU2364582C2 |
| METHOD OF PRODUCING HIGH-OCTANE GASOLINE FROM LOW-GRADE GASOLINE FRACTIONS | 1994 |
|
RU2087522C1 |
| COMPLEX INSTALLATION FOR PROCESSING MIXTURE OF HYDROCARBONS C-C OF VARIOUS COMPOSITION AND OXYGEN-CONTAINING COMPOUNDS | 2016 |
|
RU2671568C1 |
| METHOD OF RECOVERY OF HIGH ANTIKNOCK GASOLINE AND AROMATIC HYDROCARBONS | 1992 |
|
RU2010838C1 |
| CATALYTIC REFORMING RAFFINATE PROCESSING METHOD | 2023 |
|
RU2809282C1 |
