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现代矿业 ›› 2026, Vol. 42 ›› Issue (04): 80-84.

• 矿物加工工程 • 上一篇    下一篇

湖北某低品位银钒矿银钒协同回收试验研究

刘 鑫1,2 李若愚1,2 屈路路3 郭文达1,2 匡步肖3 池汝安1,2,3 余 洪1,2   

  1. 1 .武汉工程大学资源与安全工程学院;2.磷矿及其共伴生资源绿色高效开发利用全国重点实验室; 3.湖北三峡实验室
  • 出版日期:2026-04-25 发布日期:2026-05-22

Experimental Study on the Coordinated Recovery of Silver and Vanadium from a Low-grade Silver-vanadium Ore in Hubei

  1. 1 .School of Resources &Safety Engineering,Wuhan Institute of Technology;2.State Key Laboratory of Green and Efficient Development of Phosphorus Resources;3.Hubei Three Gorges Laboratory
  • Online:2026-04-25 Published:2026-05-22

摘要: 针对湖北宜昌某低品位银钒矿资源利用率低、分离困难的问题,在系统工艺矿物学 分析的基础上进行了铜、钒分选试验。结果表明,矿石Ag 品位为65 .57 g/t,主要赋存于黄铁矿中; V2O5 品位为0 .65%,主要赋存于钾长石中。摇床和螺旋溜槽重选试验表明,重选工艺无法实现银的分 离与富集。浮选条件试验表明,在磨矿细度为-0 .074 mm 占77 .19%时,以丁基黄药+丁铵黑药为组合 捕收剂,2 号油为起泡剂,经1 粗2 精2 扫,中矿顺序返回闭路试验,可获得银精矿Ag 品位675 .25 g/t、回 收率16 .89%的指标,同时钒在尾矿中回收率达98 .86%,实现了银钒矿中部分银的回收。研究结果 为该银钒矿的后续开发利用提供了一定的技术参考。

关键词: 低品位银钒矿, 重选, 浮选

Abstract: For the low utilization rate and difficult separation of a low-grade silver-vanadium ore re ⁃ source in Yichang,Hubei,copper and vanadium separation tests were conducted based on systematic pro ⁃ cess mineralogical analysis.The results showed that the ore has an Ag grade of 65.57 g/t,mainly occurring in pyrite,and a V2O5 grade of 0.65%,primarily hosted in potassium feldspar.Shaking table and spiral chute gravity separation tests indicated that gravity separation could not achieve the separation and enrich ⁃ ment of silver.Flotation condition tests revealed that at the grinding fineness of -0.074 mm accounting for 77.19%,using butyl xanthate +butyl ammonium aerofloat as the combined collectors and No.2 oil as the frother,closed-circuit test consisting of one roughing,two cleanings,and two scavenging stages with mid ⁃ dlings returned in sequence,silver concentrate with Ag grade of 675.25 g/t and recovery rate of 16.89% was obtained.Meanwhile,the recovery rate of vanadium in the tailings reached 98.86%,achieving partial recovery of silver from the silver-vanadium ore.The research results provide technical reference for the subsequent development and utilization of this silver-vanadium ore.

Key words: low-grade silver-vanadium ore, gravity separation, flotation