Process for treating aqueous streams containing aluminum

Details Process for treating aqueous streams containing aluminum Process for treating aqueous streams containing aluminum

1981-05-08

1983-06-28

Hruskoci, Peter A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210737, 210912, C02F 152

Patent

active

043904319

ABSTRACT:
A process for treating an aqueous phase obtained by acidic or basic washing of a hydrocarbon phase comprising a soluble aluminum compound in solution, characterized in that it is neutralized at a pH of from 6 to 8.5, treated with an additive selected from the alkaline-earth metal oxides, hydroxides and carbonates, at a temperature ranging from 90.degree. C. to the boiling point, the molar ratio of the additive to aluminum being from 1/10 to 10/1, and separated thereafter from the insoluble phase of precipitate.

REFERENCES:
patent: 3904498 (1975-09-01), Hesse et al.
patent: 3909405 (1975-09-01), Aoyama
patent: 4018867 (1977-04-01), Lee
patent: 4052301 (1977-10-01), Klein et al.

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