Process to recover lead compounds

Details Process to recover lead compounds Process to recover lead compounds

B - Operations, Transporting

03

D

361/2

B03D 1/02 (2006.01) B03D 1/001 (2006.01)

Patent

CA 1268564

ABSTRACT The enrichment and recovery of lead compounds from wastes and intermediate products from hydrometallurgical production and processing of base metals as well as from complex oxidic ores is either difficult to achieve or connected with intense energy consumption. In this invention, direct flotation of lead compounds is applied for the abovementioned purpose, which is carried out by using amine based collecting and foaming reagents in a pH range of < or = 3 in the presence of inorganic acids and higher amounts of dissolved heavy metals from leaching processes.

553054

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