|
| |
Recovery of
galena and sphalerite concentrates by froth flotation using alkaline
salts of vegetable oils
Ajayi, J. A.
Department
of Metallurgical and Materials Engineering,
Federal University of Technology, P.M.B. 704, Akure, Ondo State,
Nigeria.
johnadeajayi@yahoo.com
Abstract
Groundnut, palmkernel,
sheabutter and soyabean oils with their respective sodium and
potassium salts were used as possible substitutes as frothers and
Xanthate collectors for recovering galena and sphalerite
concentrates from the complex sulphide ores. The highest recoveries
for galena, using both potassium and sodium salts of the oils were;
groundnut 81.11% and 81.56%; palmkernel 79.27% and 80.32%;
sheabutter 64.08% and 62.02%; and soyabean 57.40% and 55.68%. The
corresponding values for sphalerite were: groundnut 80.03% and
76.44%; palmkernel 61.88% and 55.45%; sheabutter 35.14%; 29.20%;
soyabean 24.51% and 20.43%. The results show that the alkali salts
of groundnut and palmkernel oils are potential substitutes for the
synthetic collectors and frothers. |
|
