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Flotation of pyrite is possible below pH 11 with short chain xanthates but is depressed above about pH 11 Depression of Pyrite 1 practice and concentrate contracts which penalise impuritieFlotation Of Lead And Zinc From Lead Zinc Pyrite Ore Pdf Xxviinternational mineral processing congress impc 2012 Complex cu-pb-zn-au-ag sulphide ore at the laronde division
The flotation separation and recovery approach is quite similar to the Pb-Zn sulphide separation process Sphalerite is depressed with zinc sulphate addition to the grind with sodium sulphide as an optDepression of pyrite in the flotation of high pyrite low-grade lead–zinc ore using Acidithiobacillus ferrooxidans Minerals Engineering 2010 M Noaparast Hadi Hajizadeh E Raso
Pyrite floats at very low pH or gets entrapped during flotation Column flotation will give good results for such problems It has forth washing system where entrapped minerals are separated topyrite in zinc ore flotation in iran If you want to learn about our products please call or write mail consultation And pyrite species in the flotation process the kooshk mine is one of the
As described in the lead-zinc ore processing section zinc sulphate and metabisulphide sphalerite and pyrite depressants respectively are typically added to grinding Then a Cu-Pb bulk Abstract This paper reports the results of flotation tests conducted with a copper-lead-zinc sulphide ore The major sulphide minerals in the ore are chalcopyrite galena sphalerite ma
Ore B contained framboidal pyrite and altered pyrite/marcasite which is considered the main reason for the low flotation performance in both copper and pyrite flotation secSodium silicate was somewhat effective in causing a differential or selective flotation of copper as chalcopyrite from pyrite by keeping pyrite from floating Sodium hydroxide and sodium sulfid
In this research work selective depression of pyrite in the flotation of a low-grade lead–zinc ore containing 31% pyrite was investigated in the absence and presence of AcidithiobWe investigated the replacement of NaCN with Acidithiobacillus ferrooxidans in the flotation of a low-grade lead–zinc ore containing high amounts of pyrite A ferrooxidans were ad
Depression of pyrite in the flotation of high pyrite low In this research work selective depression of pyrite in the flotation of a lowgrade lead–zinc ore containing
which mutilates flotation process It is known that zinc cycle of copper–zinc ore flotation uses xanthate modifications that are not selective relative to pyrite In view of
Flotation of copper at different alkaline pH from 7upto 10 and using different Xanthates as collector vs recovery of copper may give some clue Minimum Pyrite obtained in copper concentrate is the sta
As shown in Fig 1 before flotation 800 g lead-zinc sulfide ore 500 g water depressant (8000 g/t lime) and collectors (50 g/t sodium diethyldithiocarbamate and 50 g/t sodium butyl xanthate)