Preparation concentrated TiO.sub.2 slurries from spent steam

Details Preparation concentrated TiO.sub.2 slurries from spent steam Preparation concentrated TiO.sub.2 slurries from spent steam

1981-09-17

1984-01-24

McCarthy, Helen M.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106309, 241 5, 241 21, 423610, C09C 136

Patent

active

044274513

ABSTRACT:
A process for preparing concentrated slurries of TiO.sub.2 and water with a solids content of 30-70% by weight from TiO.sub.2 micronizer tailings that are carried in steam separated from TiO.sub.2 and steam from a micronizer by scrubbing the steam and TiO.sub.2 micronizer tailings with a slurry of TiO.sub.2 and water, separating TiO.sub.2 and water from the steam and circulating a portion of the TiO.sub.2 and water to the absorber until the solids content desired is reached.

REFERENCES:
patent: 3622084 (1971-11-01), Ross
patent: 4083946 (1978-04-01), Schurr et al.
patent: 4170485 (1979-10-01), Blake et al.
patent: 4227935 (1980-10-01), Blake et al.

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