Combined zinc collecting agent for flotation of lead-zinc sulfide ore and application thereof
A technology for flotation of lead-zinc and collectors, applied in flotation, solid separation, etc., can solve the problems of weak collecting ability of black powder, high pH of pulp, poor selectivity, etc., and achieve stable indicators, low price, and field application simple effect
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Embodiment 1
[0036] A certain ore in Yunnan contains Pb 2.98%, Zn 2.79%, S 27.79%, Fe 24.83%, As 0.55%, Ag114.95g / t, which is a lead-zinc ore with high sulfur and silver content. Among the rock-forming components, the highest content is SiO 2 , about 18.62%, followed by Al 2 o 3 About 11.05%; CaO 3.99%, MgO 2.01%, K in other rock-forming components 2 O 1.16%, Na 2 O 0.073%. The main metal minerals in the ore are mainly pyrite (containing a small amount of marcasite), galena, sphalerite, a small or trace amount of limonite, white lead ore, lead alum, realgar, arsenopyrite, and smithsonite Ore, orpiment, chalcopyrite, copper blue, etc. Sphalerite is mainly in the form of heteromorphic grains embedded in the pyrite grains, and sphalerite can be seen locally replacing pyrite. Fine-grained chalcopyrite is commonly found in sphalerite, and pyrrhotite is occasionally found. Occasionally, sphalerite is surrounded by pyrite. The embedded particle size of sphalerite is mainly between 0.03-0.3...
Embodiment 2
[0062] A high-sulfur low-lead-zinc ore contains Pb 1.37%, Zn 3.43%, S 30.06%, Fe 28.88%, Cu 0.12%, Ag80.00%, As 0.03%, and the target minerals in the ore are mainly galena and sphalerite And associated silver minerals, other metal minerals with higher content are pyrite, magnetite and pyrrhotite, etc.; gangue minerals are mainly chlorite, hornblende, tremolite and mica. Sphalerite is mostly distributed in the form of agglomerates, dissemination, veins, and stars, and is mostly intersected by galena; some sphalerites are also irregularly wrapped with chalcopyrite and galena; a few Sphalerite wrapped metasomatous magnetite, pyrite.
[0063] The ore adopts a combined collector to select zinc, and the combined collector is composed of the following components in parts by weight: 20 parts of butyl ammonium black medicine, 35 parts of ethyl disulfide, and 45 parts of 2-aminothiophenol. When using combined collectors, mix butyl ammonium black drug, ethiazide, and 2-aminothiophenol e...
Embodiment 3
[0076] A high-sulfur and high-lead-zinc ore contains Pb 7.31%, Zn 6.66%, S 19.09%, Fe 14.02%, Cu 0.16%. The target minerals in the ore are mainly galena, sphalerite and pyrite, and a small amount of chalcopyrite , bornite, chalcocite and rhodochrosite; gangue minerals are mainly quartz and dolomite, a small amount of calcite and chlorite. Sphalerite is mostly semi-euhedral and other-shaped crystal particles, with a particle size of 2.5mm-0.01mm, and the size varies widely. It is more than pyrite and galena embedded to form sulfide aggregates. Among them, the larger crystals The pores inside the particles are developed and filled with fine pyrite and galena, and fine sphalerite is also filled in the pores of pyrite. Sphalerite has semi-euhedral grain structure, erosion structure, interstitial structure and emulsion structure.
[0077] The ore adopts a combined collector to select zinc, and the combined collector is composed of the following components in parts by weight: 10 pa...
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