C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
362/9, 204/89.5
C25C 1/00 (2006.01) C02F 1/467 (2006.01) C02F 3/02 (2006.01) C02F 3/30 (2006.01) C02F 9/00 (2006.01)
Patent
CA 1128460
ABSTRACT OF THE DISCLOSURE Insoluble heavy metal sulfides in activated sludge are converted by biochemical oxidation to soluble sulfates, followed by deposition of metals on cathode from sludge as electrolytic bath.
318304
Drnevich Raymond F.
Matsch Ladislas C.
Srinath Embar G.
Borden Ladner Gervais Llp
Linde Aktiengesellschaft
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