Process for removing heavy metallic elements suspended in a liquid

Abstract

Abstract 1. Process for the removal of heavy metal particles in suspension in a nitric medium, characterized in that : - an appropriate quantity of a finely divided ferromagnetic adjuvant in particulate state is fixed within the magnetized packing of an electromagnetic filter ; - another appropriate quantity of the same finely divided ferromagnetic adjuvant in particulate state is added to the said nitric medium containing the heavy metal particles to be extracted ; - the nitric medium containing the finely divided ferromagnetic adjuvant in particulate state and the said heavy metal particles to be extracted is stirred, the stirring time being limited so as to avoid an excessive dissolution of the said ferromagnetic adjuvant in the said nitric medium ; and - the said nitric medium containing the heavy metal particles to be extracted and the said ferromagnetic adjuvant in suspension is filtered by means of the preblocked electromagnetic filter.

Inventors

• 👤 Lucien Dolle

Bibliographic Details