| 摘要 |
Process for simultaneous producing of ceresin and vaseline concentrate, characterised in that involves the solvent separation in temperature range of 0 degree C to 45 degrees C, optimally from 5 degrees C to 30 degrees C, of solid hydrocarbons mixture solidifying in 45 degrees C to 75 degrees C, optimally from 52 degrees C to 66 degrees C, obtained from the slack wax with the oil content from 0.5 to 20% of mass, solidifying in temperatures from 42 degrees C to 70 degrees C, obtained from the vacuum fraction of the paraffin-sulphur-asphalt crude oil with the boiling point from 390 degrees C to 468 degrees C, following processes of selective refining with furfurol and de-waxing, and using the halogen based solvents containing benzene or cations with toluene and/or slack wax obtained from the vacuum residue with boiling point above 468 degrees C, from the following processes: propane de-asphalting, furfurol refining, and de-waxing with solvents, slack wax originating from the vacuum residue and/or mixture of slack wax from the vacuum distillate in relation to slack wax from the vacuum residue in relation not higher than 3:2 by mass, is subjected to the separation process using mixture of solvents: dichloroethylene and benzene in 4:1 volume ratio to obtain raw ceresin with condensing temperature not lower than 70 degrees C and light absorption not higher than 190 for 1 cm thick layer and the wavelength 275 nm, not higher than 100 for 295 nm, not higher than 50 for 310 nm, and aromatic monocyclic hydrocarbon contents not higher than 5% by mass, and Vaseline concentrate with solidifying temperature not higher than 56 degrees C, and light absorption not higher than 1100 for 1 cm thick layer and the wavelength 275 nm, not higher than 600 for 295 nm, not higher than 280 for 310 nm, and aromatic monocyclic hydrocarbon contents not higher than 16% by mass.
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