Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8012127 | Transactions of Nonferrous Metals Society of China | 2016 | 8 Pages |
Abstract
Adsorbing tests between CNâ and chalcopyrite or galena were conducted firstly, and then flotation tests of the two cyaniding minerals were investigated in butyl xanthate (BX) system. Results showed that the interaction between CNâ and the two mineral surfaces were both chemical adsorption and can be described by the Langmuir adsorption isotherm model. In the optimum condition of pH 6.5 and 4.0 mg/L BX, the recovery of cyaniding chalcopyrite and galena reached 82.1% and 63.9%, respectively. BX improved the hydrophobicity of the surfaces of the two minerals, although CNâ reduced the contact angle on the surface of minerals. The inhibitory effect of CNâ on chalcopyrite far outweighed galena. Electrostatic adsorption exists in the interaction between BX and the surface of galena after cyanide treatment in the pH range of 4.2-8.4, while the interactions between BX and the surface of chalcopyrite after cyanide treatment is chemical adsorption.
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
Yi-wen MA, Yue-xin HAN, Yi-min ZHU, Yan-jun LI, Hao LIU,