Process and apparatus for making a solution or dispersion of a h

Details Process and apparatus for making a solution or dispersion of a h Process and apparatus for making a solution or dispersion of a h

1986-01-08

1988-02-16

Ivy, C. Warren

Compositions

Preservative agents

Anti-corrosion

252 8554, 523300, 523319, 523330, 524555, 524916, C08J 306

Patent

active

047253797

ABSTRACT:
The invention concerns a process and an apparatus for making a stable solution or dispersion of a hydrosoluble powder.
It is characterized by the simultaneous use of a system for withdrawing powder from a vessel (2) e.g. by means of a gas (4), the dilution of the powder in a carrying gas, the driving with said carrying gas, of the obtained dilution, through a transfer duct (10), the passage of the dilution across an electrostatic field (11) and the solubilization in water of a tank (12).
The invention is particularly applicable to the dispersion of polyacrylamides used in the technique of enhanced oil recovery.

REFERENCES:
patent: 2573949 (1946-12-01), Blizzard
patent: 2620172 (1952-12-01), Jenett
patent: 4482386 (1984-11-01), Wittwer

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