Method for treatment and disposal of lead based paint

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

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210912, C02F 162

Patent

active

056676964

ABSTRACT:
This invention relates to the treatment of lead based paint mixtures by treating the lead based paint mixture with an additive from the group consisting of phosphoric acid, monocalcium phosphate, monoammonium phosphate and diammonium phosphate, either alone or in combination with Portland Cement.

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patent: 5439527 (1995-08-01), Rapp et al.

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