Treating Mixed Metal Wastewaters Headquarters Air Force Engineering and Services Center Tyndall Air Force Base, FL

Format:

Conference/Event

Author/Creator:

Aldrich, James R., author.

Conference Name:

Annual Aerospace/Airline Plating and Metal Finishing Forum and Exposition (1985-02-18 : Atlanta, Georgia, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1985

Summary:

In view of the disposal charges for electroplating waste treatment sludges, clean effluent water is only part of the waste treatment problem. US Air Force laboratory studies have shown the chromium reduction chemical used in treatment can drastically effect the volume of sludge produced. Ferrous and sulfide, when properly proportioned, have a catalytic effect which can reduce the volume of sludge from hexavalent chromium reduction reactions by 70-percent compared to acidic reduction with ferrous sulfate. Also, sodium borohydride has successfully reduced the sludge produced from mixed metal wastewater treatment by nearly 80-percent (e.g. 985 mg/1 to 220 mg/1). Both technologies are curently being tested in a 10-gallon per minute demonstration plant at an Air Force maintenance center

Notes:

Vendor supplied data

Publisher Number:

850717

Access Restriction:

Restricted for use by site license