硫化钠的添加，明显促进了黄铁矿的无捕收剂浮选，黄铁矿有良好的硫化钠诱导浮选。
Additions of sodium sulphide can promote greatly the collector-free flotation of pyrite, showing sodium sulphide has good induced effect on pyrite flotation.
本文根据硫化矿物无捕收剂浮选的研究结果，对氧及黄药类捕收剂在硫化矿物浮选中的作用提出了与传统的浮选理论不同的思考。
In this paper, a new viewpoint different from traditional flotation theory on the roles of oxygen and thio-type collectors in flotation of sulfide minerals has been proposed.
仅通过添加少量电化学调整剂实现了硫化共生矿石的无捕收剂电化学浮选。
The collectorless electrochemistry flotation of commensal sulphur minerals is realized by adding a small quantity of electrochemical regulators.
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