Recovery of petroleum sulfonate salt

Details Recovery of petroleum sulfonate salt Recovery of petroleum sulfonate salt

1979-09-24

1984-06-26

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07B 1300

Patent

active

044565640

ABSTRACT:
Deoiled monosulfonated oil salt is recovered from mass containing it together with unsulfonated oil, polysulfonated oil salt, and some mineral matter by diluting the mass with an aqueous-alcoholic solution, removing with a suitable solvent, an extract containing unsulfonated oil, then removing the alcohol and water from a thus-contained raffinate phase, diluting or dissolving thus-concentrated sulfonate salts with or in water and extracting with a suitable extraction solvent the mass thus obtained to remove therefrom an extract containing a concentration of monosulfonate salts.

REFERENCES:
patent: 2263041 (1941-11-01), Lazar et al.
patent: 2479202 (1949-08-01), Bransky et al.

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