Effect of spodumene leaching with sodium hydroxide on its flotation
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Central South University
Publication date: 2015-06-01
Corresponding author
Fushun YU   

Central South University, No. 932, Lushannan Road, 410083 Changsha, China
Physicochem. Probl. Miner. Process. 2015;51(2):745-754
Effects of NaOH on the flotation of spodumene, quartz and feldspar minerals using oleic acid as collector were investigated through micro flotation tests and bench scale flotation tests. It was recommended that NaOH acted more than a pH regulator in these tests. The analysis of X-ray photoelectron spectroscopy revealed that spodumene mineral was preferentially leached by conditioning in high concentration of NaOH solution and exposed more Li positive sites on the mineral surface, which promoted the flotation of spodumene.
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