sulfide ore process



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EXTRACTING METALS FROM SULFIDE ORES

The need for a new process to treat Broken Hill ore arose from the depletion of the secondary oxide ore that overlay the major sulfide mineralization Natural oxidation to form the secondary zone had resulted in a concentration of silver and lead and ore from this section of the ore-body could be smelted directly...

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Processing of Nickel Laterite Ores on the Rise

While sulfide nickel ores are processed via upgrading to concentrates and then smelting this approach is not applicable to laterite or A variety of approaches are available to process nickel laterite ores with the most prevalent approaches explained below The method s chosen is dependent on the composition of the unique ore source...

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Sulfide Mining Mining Methods Techniques Copper Zinc

Sulfide Mining Mining is the method of tacking materials from the earth to get valuable metal ores like copper zinc and lead which are known as target minerals in mining terms...

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Sulfide Mining Minnesota Center for Environmental Advocacy

Sulfide-ore mining for copper and nickel however has never been attempted here In the case of PolyMet MCEA has led the fight for accountability and true science-based decision-making MCEA lawyers and experts have time and again cast light on the flaws inherent in the PolyMet proposal first in the environmental review and permitting...

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ROASTING OF SULFIDE MINERALS

Hence sulfide roasting is an autogenous process that is where no extra fuel is supplied 21 METHODS OF ROASTING There are several commercial roasters used on the industrial scale The multiple Ore fines may be sintered due to incipient fusion in Dwight Lloyd Sintering Machine It consists of a linked grate section which forms an...

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A fundamental study of the alkaline sulfide leaching of gold

chalcopyrite These ores are often refractory as the gold is encapsulated within the sulfide matrix In order to recover the gold the host matrix must be destroyed Over the past 100 years roasting or smelting has been the dominant method for oxidising sulfide bearing gold ores and concentrat However with the cost associated with treating SO...

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Volcanogenic massive sulfide ore deposit

Volcanogenic massive sulfide ore deposits also known as VMS ore deposits the process enriching the hydrothermal fluid in sulfur and metal ions The ore materials are trapped within a fumarole field or a black smoker field when they are expelled into the ocean cool and precipitate sulfide minerals as stratiform sulfide ore Some deposits...

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3 Processing of Copper Ore

Sulfide ores are first put through a jaw or gyratory crusher to reduce the rocks to about 7 - 8 inch This material is then fed to a secondary grinder that further reduces the size to about 1 - 2 inch The next step is to feed the crushed ore into a wet grinding process in tumbling mills...

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Mining and Extraction Oxide Ores

The process used to treat sulfide copper ores begins at the mine site where the copper-bearing minerals are physically separated from the rest of the rock The flow diagram below shows how the percentage of copper increases as the ore is refined first physically by froth flotation then chemically by smelting and finally electrolytic refining...

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Sulfide Ore Processing « TCB Metals and Refining

In addition to a higher rate of recovery and protecting the environment there are additional benefits of partnering with TCB to process your sulfide ores For companies with platinum group sulfide ore with valuable base metals of nickel cobalt etc in their ores TCB can remove the precious metals and companies can then send the processed...

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Small Scale Treatment of PM Sulfide Ores

Feb 15 2020 0183 32 No matter what else you do to process sulfide ore the next step after crushing is concentration of the ore Most large companies do this through flotation or as Chris mentioned a bank of tabl For us small guys on a budget this is a really good alternative that works well Ron 2 Reduce the bulk of the ore...

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Rebellious Ores Sulfides Selenides and Tellurides

Gold and silver contained inside some sulfides amalgamates poorly and in those early days amalgamation was the chief recovery method for hard rock or The old timers developed the pan processes where they ground up the ore and amalgam mixture for hours at a time the Washoe Process and for some ores that did the job...

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Sulfide Ore

Compared with laterite ores sulfide ores have a much lower amount of moisture and may contain many different metals in the same ore Laterite ores are formed by the process of weathering and normally found in tropical regions where weathering extracts and deposits it...

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Online analysis of minerals from sulfide ore using near

The process control of Pyhäsalmi mine flotation uses a calibrated online XRF analyser to estimate the mineral quantities of the sulfide slurries in a stable process situation where the quarried ore consistency stays within the boundaries of the XRF calibration The XRF information is used to control the froth flotation process...

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Establishing thE ProcEss MinEralogy of gold orEs

Iron sulfide ores and arsenic sulfide ores Iron sulfide ores and arsenic sulfide ores host different proportions of non-refractory and refractory gold Gold in non-refractory sulfide ores can be recovered by whole-ore cyanidation or some combination of flotation and cyanidation Acceptable extraction of refractory gold can only be achieved by...

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The Mining Process

Refractory ore resists normal processing methods as the high sulfide minerals trap gold particles making it difficult for the cyanide to reach the gold and leach it Heating To leach gold from refractory ore it must be subjected to high temperature high pressure and/or oxygen...

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Sulfide Ores

Sulfide Ores Optimize your recovery and improve grade with specialized collectors and frothers At Clariant Mining Solutions we are proactive solution-seekers committed to optimizing your mineral processing operations through creative problem-solving We offer a wide range of innovative products to meet your needs including custom mineral...

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How To Smelt A Gold Button By Roasting Sulfide

Aug 22 2018 0183 32 In this video we show the process of smelting down sulfide-rich gold concentrates to end up with a gold button Through roasting the sulfur is driven off...

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Lead processing

Flotation separation generally is used for sulfide or In this process the finely crushed ore is diluted with water and agitated violently with air in Lead processing - Lead processing - Mining and concentrating Once the ore is removed from veins narrow channels or lodes roughly spherical deposits in the Earth usually at depths of...

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WO2014156350A1

This method for recovering gold from sulfide ore comprises a first step in which sulfide ore or leach reside remaining after sulfide ore has been subjected to leaching is brought into contact with an acidic aqueous solution containing chlorine ions bromine ions copper ions and iron ions while being supplied with an oxidizing agent to leach out the gold component in a leach residue a...

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Mining Industry Copper Sulfide Ore and Flotation Process

1 Types of copper sulfide ore 1 Single copper mineral Its ore characteristic is relatively simple and the only useful component that can be recycled is copper The gangue minerals are mainly quartz carbonate and silicate 2 Copper-sulfur ore Called copper-bearing pyrite In addition to copper minerals iron sulfide can be recovered and the main mineral of sulfur is pyrite...

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Nickel Ore Mineral Processing

A basic principle of copper-sulfide nickel ore process is that it is better to let the coppers assimilate into the nickel ore Because it is easier to recovery cooper from the nickel concentrate The process has a best advantage-get the copper concentrate that has a low nickel rate directly...

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WO2004083468A1

A method for suppressing the oxidation of sulfide minerals in a sulfide ore which comprises adding an antioxidant containing an organic acid having a carboxyl group as a primary component and also containing a vegetable polyphenol to the sulfide ore accumulated in a stock pile or an accumulation spot for waste ston The method allows the suppression of the oxidation of sulfide minerals in a...

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LIST OF ORES AND THEIR NAMES SULPHIDE ORE

Oct 03 2017 0183 32 This method is mainly employed for the concentration of sulphide or The method is based on the different wetting characteristics of the gangue and the sulphide ore with water and oil The gangue preferrentially wetted by water and the ore by oil The crushed ore along with water is taken in a floatation cell Various substances are added...

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Nickel processing

From sulfide or Sulfide ores are crushed and ground in order to liberate nickel minerals from the waste materials by selective flotation In this process the ore is mixed with special reagents and agitated by mechanical and pneumatic devices that produce air bubbl...

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Sulfide Ore Article about Sulfide Ore by The Free Dictionary

The following article is from The Great Soviet Encyclopedia 1979 It might be outdated or ideologically biased Sulfide Ore any of several natural mineral formations consisting of metal sulfid Metal selenides tellurides arsenides and antimonides are also classified among the sulfide or Sulfide ores are an important source for the production...

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Process to Recover Gold from Sulfide Ores

May 27 2016 0183 32 I m hoping our HEPP process can either eliminate or significantly reduce the roasting step 12-18 hours at 600-700 degrees C which is currently required for the recovery of precious metals from sulfide laden or If so our process consumes a...

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Froth Flotation Process Used in the Lead Zinc Sulfide Ore

Potential-controlled flotation process used in the lead-zinc processing is to change the electrochemical conditions of flotation system to control the process and direction of oxidation-reduction reaction on the surface of the sulfide minerals in the slurry system thus affecting the surface state of sulfide ore the product form and stability...

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Copper Extraction from Sulfide Ores

This process is used for the extraction of copper from low grade sulfide ore In this process the crushed and ground ore in bulk about 100 000 tons is exposed to air and water in big tanks The air in the presence of water gradually oxidizes copper and iron sulphides to their surphid The process is completed in about one year...

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Copper Mining and Extraction Sulfide Ores

Open pit 90 of ore is mined by this method Ores near the surface can be quarried after removal of the surface layers The ore is treated with dilute sulfuric ac This trickles slowly through the ore dissolving copper to form copper sulfate The copper is recovered by electrolytic refining...

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