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Sodium n-butyl xanthate (SBX) is widely used as a collector in the flotation of sulfide minerals. Residual SBX and its byproducts in the flotation effluents may cause environmental pollution. The degradation of SBX by a vacuum UV-ozone (VUV/O3) in comparison with ozone and VUV photolysis was studied. The effects of the pH and ozone dosage were investigated. The SBX was almost completely degraded within...
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