Flotation separation reagent and application thereof, and resource utilization method of lithium separation tailings

The invention relates to the technical field of tailing beneficiation, and provides a flotation separation reagent and application of the flotation separation reagent in flotation separation of lithium tailings, the flotation separation reagent comprises a feldspar collecting agent, and the feldspar collecting agent comprises N-dodecyl-1, 3-propylene diamine, quaternary ammonium salt and petroleum sodium sulfonate. The invention further provides a lithium separation tailing resource utilization method using the flotation separation reagent. The flotation separation reagent and the resource utilization method at least achieve the effects that the lithium separation tailings can be effectively treated, the feldspar concentrate and the quartz concentrate can be effectively recycled, and meanwhile environment friendliness is achieved. 本公开涉及尾矿选矿技术领域，提供了一种浮选分离药剂及其在选锂尾矿的浮选分离中的应用，浮选分离药剂包括长石捕收剂，长石捕收剂包括N-十二烷基-1,3-丙撑二胺、季铵盐以及石油磺酸钠。本公开还提供了一种使用上述浮选分离药剂的选锂尾矿的资源化利用方法。本公开提供的浮选分离药剂和资源化利用方法至少达到了不仅能够对选锂尾矿进行有效处理，而且能够有效回收长石精矿和石英精矿