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Method of Desorbing Gold from Activated Carbon.

Authors
Ross-JR
Source
U S Pat 3 920 403 1975 Nov; :
Link
NIOSHTIC No.
10011847
Abstract
A stripping solution containing 0.4 pct naoh was used at 130 deg-150 deg-C and elevated pressure to strip a sample of activated coconut charcoal industrially loaded with cyanide-lime Au-bearing solution to 560 tr oz Au/ton c. The rate of Au desorption is enhanced, as the c assayed 0.35 oz/ton after 10.5 H of stripping, as compared with 2.0 oz/ton after 65.5 H of conventional stripping.
Publication Date
19751101
Document Type
PA;
Fiscal Year
1976
NTIS Accession No.
NTIS Price
Identifying No.
PAT 3,920,403
NIOSH Division
SLRC;
Source Name
U.S. Pat. 3,920,403; Nov. 18, 1975; Chem. Abstr. 82:P62,463e
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