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Development and Commercialization of the Waste-plus-waste Process for Recovering Metals from Cyanide and Other Wastes.

Authors
George-LC; Hjersted-LN; Cochran-AA; Allan-DR
Source
Aiche Symp Series Intermat Comp Shrinking Resources 73(170):78-79
Link
NIOSHTIC No.
10009663
Abstract
The waste-plus-waste (wpw) process developed by the Bureau of Mines combines various acid and alkaline cyanide wastes under controlled conditions to neutralize the wastes and almost completely precipitate the metals and cyanides. The process was successfully used to treat some major types of electroplating and etching wastes, containing cd, cr, cu, ni, and zn, and to treat both concentrated and dilute wastes. The economics for treating concentrated wastes are especially attractive because of the low cost of mixing two wastes, the high value of the recovered metals, and the simplicity of the recovery procedures. Operating experience and a general cost comparison are presented.
Publication Date
19770101
Document Type
OP;
Fiscal Year
1977
NTIS Accession No.
NTIS Price
Identifying No.
OP 93-77
Issue of Publication
170
NIOSH Division
RORC;
Source Name
Aiche Symp. Series, Intermat. Comp. . . . Shrinking Resources, V. 73, No. 170, 10/77, PP. 78-79
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