Treatment of electroplating wastes by reverse osmosis. Final report

Technical Report · Wed Sep 01 04:00:00 EDT 1976

OSTI ID:7309189

Donnelly, R G; Goldsmith, R L; McNulty, K J; Grant, D C; Tan, M

Reverse osmosis treatment of plating bath rinsewaters has been examined. Emphasis has been placed on closed-loop operation with recycle of purified water for rinsing, and return of plating chemical concentrate to the bath. Three commercially available membrane configurations have been evaluated experimentally; tubular (cellulose acetate membrane), spiral-wound (cellulose acetate membrane), and hollow-fiber (polyamide membrane). Tests were conducted with nine different rinsewaters prepared by dilution of actual plating baths. Advantages and limitations of the reverse osmosis process and specific membranes and configurations are discussed. Systems tested include nickel sulfamate, Watts type nickel, copper pyrophosphate, zinc chloride, copper cyanide, zinc cyanide, cadmium cyanide, nickel fluoborate and chromic acid.

• Research Organization: American Electroplaters' Society, East Orange, NJ
• OSTI ID: 7309189
• Report Number(s): PB-265393
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320305* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
DEPOSITION
ELECTRODEPOSITION
ELECTROLYSIS
ELECTROPLATING
EVALUATION
HYDROGEN COMPOUNDS
INDUSTRIAL WASTES
LIQUID WASTES
LYSIS
MANAGEMENT
MATERIALS RECOVERY
MEMBRANES
OSMOSIS
OXYGEN COMPOUNDS
PLATING
PROCESSING
RECOVERY
RECYCLING
SURFACE COATING
WASTE MANAGEMENT
WASTE PROCESSING
WASTE WATER
WASTES
WATER