Process for inhibiting the corrosion of heavy pulps for...

Details Process for inhibiting the corrosion of heavy pulps for... Process for inhibiting the corrosion of heavy pulps for...

C - Chemistry, Metallurgy

09

K

31/35

C09K 15/32 (2006.01) B03B 13/00 (2006.01) C09K 15/00 (2006.01) C23F 11/167 (2006.01)

Patent

CA 1053891

PROCESS FOR INHIBITING THE CORROSION OF HEAVY PULPS FOR HEAVY MEDIA SEPARATION OF MINERALS ABSTRACT OF THE DISCLOSURE: The corrosion of aqueous heavy pulps which contain ferrosilicon with between 8 and 20 weight % of silicon as a heavy medium and are used in the heavy media separation of minerals is inhibited. To this end, the heavy pulp is used in admixture with between 0.1 and 0.8 weight % of a carboxy-alkane-phosphonic acid of the following formulae: Image or Image in which R stands for hydrogen or alkyl having from 1 to 4 carbon atoms, or Image or Image or Image

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