Method for the separation of a mixture of petroleum acids from p

Details Method for the separation of a mixture of petroleum acids from p Method for the separation of a mixture of petroleum acids from p

1975-03-19

1977-09-20

Crasanakis, George

Mineral oils: processes and products

Refining

Organic acid or phenol contaminant removal

C10G 1700, C10G 1900

Patent

active

040495434

ABSTRACT:
A mixture of petroleum acids can effectively be separated from a petroleum distillate containing such a mixture by adjusting the molecular weight distribution of the petroleum acids in the mixture so that at least 10% of the acids have a molecular weight of less than 260 and at least 50% of the acids have a molecular weight of more than 260, treating the petroleum distillate with an aqueous solution of sodium hydroxide which solution is added with at least 5% of a sodium salt, calculated on the weight of the aqueous solution, at a temperature of at least 85.degree. C in one or more reactors to the formation of a reaction mixture containing three phases and causing said three phases to separate.

REFERENCES:
patent: 2034197 (1936-03-01), Morrell
patent: 2685558 (1954-08-01), Hodges
patent: 2868722 (1959-01-01), Brooks, Jr. et al.

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