C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/18
C22B 1/11 (2006.01) B03B 1/04 (2006.01) B03B 9/00 (2006.01) C10L 9/00 (2006.01) C22B 3/18 (2006.01)
Patent
CA 1145144
TITLE BIOADSORPTION ALTERATION OF IRON SULFIDE SURFACES INVENTORS Ronald G.L. McCready Richard D. Coleman Charles Edward Capes Alan G. Kempton Nayera A.M. Moneib ABSTRACT OF THE DISCLOSURE The sulfide surfaces of finely-divided impure iron sulfide-containing minerals such as pyritic ores or coals are rendered hydrophilic by the adsorption of conditioned, inorganic sulfide-oxidizing bacteria. This adsorption of conditioned bacteria occurs in a short time to render the surfaces hydrophilic and allows these altered sulfide particles to be separated from hydro- phobic solids by flotation, oil-agglomeration or the like. This bioadsorption process has particular applicability to pyritic coal beneficiation.
363143
Capes Charles E.
Coleman Richard D.
Kempton Alan G.
Mccready Ronald G.l.
Moneib Nayera A.m.
Canadian Patents And Development Limited
Her Majesty In Right Of Canada As Represented By The Minister Of Mines And Resources
National Research Council Of Canada
Thomson Alan A.
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