Compound of mercaptans usable in an ore floating process

Details Compound of mercaptans usable in an ore floating process Compound of mercaptans usable in an ore floating process

B - Operations, Transporting

03

D

B03D 1/012 (2006.01) B03D 1/004 (2006.01) B03D 1/008 (2006.01) B03D 1/014 (2006.01) B03D 1/12 (2006.01) C22B 1/00 (2006.01)

Patent

CA 2470343

Composition intended for the flotation of ores, comprising: from 70 to 95% of a combination (A) of n-dodecyl mercaptan (or NDM) and of tert-dodecyl mercaptan (or TDM), the NDM/TDM ratio by weight of which is between 0.5 and 1.5, and from 5 to 30% of a product (B) composed of one or more aromatic or aliphatic compounds comprising from 4 to 100 carbon atoms, preferably from 5 to 40, and having one or two -OH groups. Process for the recovery by flotation of metal compounds of value present in ores employing it.

Composition destinée à la flottation de minerais comprenant - de 70 à 95 % d'une combinaison (A) de n-dodécyl mercaptan (ou NDM) et de tertio-dodécyl mercaptan (ou TDM) dont le rapport pondéral NDM/TDM est compris entre 0,5 et 1,5, et - de 5 à 30 % d'un produit (B) consistant d'un ou plusieurs composés aromatiques ou aliphatiques comprenant de 4 à 100 atomes de carbone, de préférence de à 40, et possédant un ou deux groupes -OH. Procédé de récupération par flottation, de composés métalliques de valeur contenus dans des minerais, la mettant en oeuvre.

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