Process for recovering pure lead and waterproofing...

Details Process for recovering pure lead and waterproofing... Process for recovering pure lead and waterproofing...

C - Chemistry, Metallurgy

04

B

261/11, 53/334

C04B 5/00 (2006.01) C03C 6/10 (2006.01) C09K 3/18 (2006.01) C09K 17/00 (2006.01) C22B 7/04 (2006.01) C22B 13/02 (2006.01) H01M 10/54 (2006.01)

Patent

CA 2019329

Abstract Process for recovering pure lead and waterproofing ecological slags from worn-out batteries The process consists in adding to the sulfate recovered from the platesof the worn-out batteries and to the bioxide obtained at the melting temperature a catalyst with a base of alkali metal carbonates (for example, marble sawdust) and potassium and aluminum silicates (for example, granite sawdust), obtaining absolutely lead-free ecological slags which can be used, when suitably treated, for example as waterproofing of grounds at the water-bearing strata. - 5 -

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