C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 30/00 (2006.01) B01J 19/02 (2006.01) B05D 7/14 (2006.01) C22B 3/02 (2006.01) C22B 3/08 (2006.01) C23F 11/04 (2006.01) C23F 11/18 (2006.01) F16K 21/08 (2006.01)
Patent
CA 2401313
A ball valve for use in the pressure acid leaching of nickel ores is disclosed. The valve has a valve body and a ball centrally positioned in the valve body, which has a central passage rotatable in the valve body between open and closed positions. At least one seat is disposed between the ball and the valve body. The ball and seat each comprise a titanium substrate and a nanostructured titania coating. The nanostructured titania can include from 5 to 45 volume percent of a second phase material that is immiscible with the titania and exhibits corrosion reistance.
Kim George E.
Walker Jimmy Jr.
Williams John B. Jr.
F.w. Gartner Thermal Spraying Company
Finlayson & Singlehurst
Mogas Industries Inc.
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