The State of Washington (Dept. of Ecology) has just put out a very
informative report on alternative silver recovery technologies. It
includes several case studies, results of wastewater sampling, and cost
data. The cite is:
Stasch, Paul, "Pollution Prevention and Treatment Alternatives for
Silver-Bearing Effluents, with Special Emphasis on Photoprocessing",
Publication #96-05, WA/DOE, Olympia, January, 1997.
The report is in draft form at present. Call DOE at (360) 407-6423.
The FAX number & address for WA/DOE are:
Washington State Dept. of Ecology
Water Quality Program
P.O. Box 47600
Olympia, WA 98504-7600
FAX (360) 407-6426