Continuous overbasing of petroleum sulfonate with water removal

Details Continuous overbasing of petroleum sulfonate with water removal Continuous overbasing of petroleum sulfonate with water removal

1984-03-28

1985-09-17

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 18, C10M 140

Patent

active

045419388

ABSTRACT:
A method and apparatus for the continuous overbasing of petroleum sulfonate providing in a process in which CO.sub.2 is contacted with a reaction mixture of neutral petroleum sulfonate, lube oil stock, lime, methanol, and naphtha in a series of reaction vessels in which additional CO.sub.2 is contacted seriatim in each succeeding reaction vessel with the effluent from the preceding reaction vessel, a method and apparatus for the removal of at least a portion of the effluent from each reaction vessel with the reduction of water content in this portion and subsequent supplementing of methanol content in this portion to provide a reaction efficient amount of water and methanol in each succeeding reaction.

REFERENCES:
patent: 3076841 (1963-02-01), Hutchings et al.
patent: 3105049 (1963-09-01), Voorhees
patent: 3318809 (1967-05-01), Bray
patent: 3323630 (1967-06-01), Fowler et al.
patent: 3523899 (1970-08-01), De Vault
patent: 4165291 (1979-08-01), Gragson

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