C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/156
C22B 34/12 (2006.01) C01G 23/047 (2006.01) C22B 3/10 (2006.01)
Patent
CA 1329006
ABSTRACT Synthetic rutile is prepared from titaniferous slags containing alkaline-earth metal impurities, such as magnesium oxide, by a method comprising contacting the slag with chlorine at a temperature of at least about 800°C, and then leaching the chlorine-treated slag with hydrochloric acid at a temperature of at least about 150°C.
554595
Gowling Lafleur Henderson Llp
Qit-Fer Et Titane Inc.
LandOfFree
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