C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
23/250
C01F 7/02 (2006.01) C01F 7/46 (2006.01)
Patent
CA 1288576
Abstract A process for producing aluminum hydroxide including the steps of: (a) dissolving colorant-containing aluminum hydroxide for forming a solution; (b) treating the solution for collecting colorant into solid phase material; (c) separating the solid phase material from the solution; and (d) precipitating aluminum hydroxide of improved whiteness from the solution.
543347
Goheen Richard H.
Nigro William A.
The Paul J.
Aluminum Company Of America
Smart & Biggar
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