Process for continuous electrochemical lead refining

Details Process for continuous electrochemical lead refining Process for continuous electrochemical lead refining

1993-08-12

1995-08-15

Gorgos, Kathryn

Chemistry: electrical and wave energy

Processes and products

204115, C25B 124, C25C 118

Patent

active

054416094

ABSTRACT:
Raw lead to be refined, whether of mineral origin or from reclaiming operations, the particle size of which has been reduced to a range not larger than 50 mm, is leached in a suitable apparatus with a solution of ferric fluoroborate in fluoroboric acid. During the leaching step, lead is dissolved, with ferric fluoroborate being reduced to ferrous fluoroborate according to the following reaction:

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