Process for the separation of components of scrap storage batter

Solid material comminution or disintegration – Processes – With application of fluid or lubricant material

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241 24, 209 11, 2091725, B02C 2100

Patent

active

040264777

ABSTRACT:
A process for separation of the components of scrap lead storage batteries including crushing, and then heating the pieces while tumbling, dry screening the paste from the residual materials which are fed to a sink-float apparatus whose fluidized pulp comprises a liquid suspension of battery paste. The pH and density of the pulp are regulated in the pH range of 7-10 by addition of sulphuric acid. After sink-float separation the drained and washed materials are recovered and the pulp and wash liquid are recycled back into the system.

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