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Preparation of Tio2 and Artificial Rutile from Sodium Titanate.

Authors
Gomes-JM; O'Keefe-DA
Source
U S Pat 3 976 761 1976 Aug; :
Link
NIOSHTIC No.
10011884
Abstract
Pigment-grade tio2 was prepared by calcining a pelletized slurry of sodium titanate and a greater than stoichiometric amount of a dilute mineral acid, such as hcl or h2so4, at 600 deg-900 deg c for at least 2 h. Artificial rutile was produced at temperatures >/= 900 deg c. After quenching the calcined pellets in water, soluble sulfates or chlorides were dissolved by agitation and the solid product was recovered by filtration and dried.
Publication Date
19760801
Document Type
PA;
Fiscal Year
1976
NTIS Accession No.
NTIS Price
Identifying No.
PAT 3,976,761
NIOSH Division
RERC;
Source Name
U.S. Pat. 3,976,761; Aug. 24, 1976; Chem. Abstr. 85:162,718X
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