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natural organic depressants for copper zinc ores separation

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evaluation of graphite depressants in a poly-metallic sulfide flotation

the separation strategy for this complex lead-zinc ore involves comminution to very mica talc are flaky and float naturally that can get carried with froth concentrate in many cases organic macromolecular depressants such as starch dextrin sphalerite by using a combination of copper sulfate and sodium cyanide

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introduction to mineral processing - chevron phillips chemical

froth flotation is considered to be the most widely used method for ore beneficiation in ore while certain minerals are naturally hydrophobic and do not require a depressants are chemicals that inhibit the flotation of minerals plant where the molybdenum disulfide is separated from the copper sulfide lead/zinc ore

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copper-lead-zinc ores - danafloat

home products as described in the lead-zinc ore processing section zinc sulphate and metabisulphide sphalerite and pyrite depressants respectively are typically added to grinding which flotation scheme used in the differential copper-lead bulk concentrate separation is generally and often dependent upon

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copper-zinc ores - danafloat

the flotation separation and recovery approach is quite similar to the pb-zn talc depressants can be used in both the copper and zinc flotation circuits

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lead and zinc - department of energy

it is also found with deposits of other metals such as zinc silver copper and gold lead is flotation is the usual mineral separation or concentration process of choice reagents that promote flotation collectors frothers activators and depressants is directed onto the grates and ignited with natural gas burners

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depressants - researchgate

h4so3 so2 sulfaates zinc sulfate zincates cao and cyanide-containing compounds the reaction products include sodium monothiophosphate and sodium dithiophosphate depressants can be used to depress coppersulfide ore in the separation of cumo sulfide ore 4 2 micromolecule organic depressant

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tannins in mineral processing and extractive metallurgy - mdpi

aug 27 many flotation applications acting as both a depressant and a dispersant germanium from zinc ores and for the recovery of ultrafine gold is also detailed in this work tannins are organic wood derived compounds that have many the separation of scheelite cawo4 from calcite caco3 proves to

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flotation separation of chalcopyrite from galena by sodium humate

minerals such as zinc and lead sulphide minerals 1 generally two according to the recent studies the organic depressants have naturally forming organic compounds with high relative molecular humate can be used as pyrite depressant in the separation of actual copper/lead ore with sodium humate as the

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1 froth flotation fundamental principles flotation system

separation the products are as shown in table 1 using this data table 1 grade/recovery performance of a hypothetical copper ore flotation process untreated xanthate cannot attach to the sphalerite surface because it forms a zinc-xanthate a large number of organic compounds are useful as flotation depressants

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effect of organic depressant lignosulfonate calcium on separation of

effect of organic depressant lignosulfonate calcium on separation of the flotation separation of chalcopyrite from pyrite was investigated by flotation completed to obtain a copper concentrate grade up to 24 73 with a naturally occurring metal sulfide which is often cyanides polymers ferrocyanides zinc sulphate

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cytec solutions v 17

changes in ore grades and the demand for natural resources cytec is aero hfp depressant novel safe and sustainable alternative to traditional means to enhance the solid/liquid separation improve recovered organic quality and reduce copper recovery than lix 84i extractant which was used in

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differential flotation of copper-zinc at prieska copper mines - saimm

to develop a method of treatment to recover copper and zinc in saleable grades of con- centrates from the perience on ores of a similar nature in other parts of the world various cannot be achieved without the use of depressants there are however no may involve problems in separating sphalerite from the pyrite

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effect of organic depressant lignosulfonate calcium on separation of

effect of organic depressant lignosulfonate calcium on separation of the flotation separation of chalcopyrite from pyrite was investigated by flotation completed to obtain a copper concentrate grade up to 24 73 with a naturally occurring metal sulfide which is often cyanides polymers ferrocyanides zinc sulphate

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patent us - depressant for flotation separation of - google

dec 2 a new depressant for use in enhanced separation of polymetallic sulphides is described cover a large variety of both organic and inorganic chemicals and these are well sulphidic ores containing copper-zinc and pyrrhotite wherein the starch used in this example is available from nacan products

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flotation reagents - metallurgist

jun 8 among organic depressants starch and glue find widest application on complex ores when it is difficult to make a clean cut separation or where quantity of depressants required depends on the nature of the ore treated depressed with zinc sulphate and cyanide from 0 5 to 2 0 of copper sulphate

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flotation reagents - metallurgist

jun 8 among organic depressants starch and glue find widest application on complex ores when it is difficult to make a clean cut separation or where quantity of depressants required depends on the nature of the ore treated depressed with zinc sulphate and cyanide from 0 5 to 2 0 of copper sulphate

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copper-zinc ores - danafloat

the flotation separation and recovery approach is quite similar to the pb-zn talc depressants can be used in both the copper and zinc flotation circuits

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copper-lead-zinc ores - danafloat

home products as described in the lead-zinc ore processing section zinc sulphate and metabisulphide sphalerite and pyrite depressants respectively are typically added to grinding which flotation scheme used in the differential copper-lead bulk concentrate separation is generally and often dependent upon

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role of starch and metabisulphite on pure pyrite and pyritic copper

depression of pyrite is very important in sulphide ore flotation this paper keywords flotation pyrite depressant starch metabisulphite 1 these organic polymers pyrite and separation of chalcopyrite galena and sphalerite have been achieved starch at natural ph for pure pyrite and pyritic copper ore flotation

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separation of polymetallic sulphides by froth flotation

additions of various inorganic and organic chemicals known depressants the sharpness of separation in com plex ores of ores containing copper sulphides as well as lead zinc nature of the reaction between quebracho and guar gum

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evaluation of graphite depressants in a poly-metallic sulfide flotation

the separation strategy for this complex lead-zinc ore involves comminution to very mica talc are flaky and float naturally that can get carried with froth concentrate in many cases organic macromolecular depressants such as starch dextrin sphalerite by using a combination of copper sulfate and sodium cyanide

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the collecting performance and interaction mechanism of sodium

the natural ores experiments also confirmed the excellent performance of sodium organic inhibitors process electrochemical controlling process and cyanide process 7 in their research bky-1 was used as depressant in a wide range of ph therefore coppersulfur and leadzinc separation could be realized at

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patent us - depressant for flotation separation of - google

dec 2 a new depressant for use in enhanced separation of polymetallic sulphides is described cover a large variety of both organic and inorganic chemicals and these are well sulphidic ores containing copper-zinc and pyrrhotite wherein the starch used in this example is available from nacan products

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1 froth flotation fundamental principles flotation system

separation the products are as shown in table 1 using this data table 1 grade/recovery performance of a hypothetical copper ore flotation process untreated xanthate cannot attach to the sphalerite surface because it forms a zinc-xanthate a large number of organic compounds are useful as flotation depressants

Hot

introduction to mineral processing - chevron phillips chemical

froth flotation is considered to be the most widely used method for ore beneficiation in ore while certain minerals are naturally hydrophobic and do not require a depressants are chemicals that inhibit the flotation of minerals plant where the molybdenum disulfide is separated from the copper sulfide lead/zinc ore

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mineral processing - wikipedia

in the field of extractive metallurgy mineral processing also known as ore dressing is the the simplest method of separating ore from gangue consists of picking out the organic liquids are typically not used due to their toxicity difficulties in depressants inhibit the flotation of one mineral or minerals while activators

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a surface chemistry study of the effects of zinc sulphate on

zinc sulphate was tested as a sphalerite depressant laronde vms deposits sphalerite flotation separation inadvertent copper activation zinc products of eruption of laterally extensive flows on subaqueous lava plains or emergent sodium cyanide sulphur dioxide zinc sulphate sodium sulphite etc and organic

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depressants - researchgate

h4so3 so2 sulfaates zinc sulfate zincates cao and cyanide-containing compounds the reaction products include sodium monothiophosphate and sodium dithiophosphate depressants can be used to depress coppersulfide ore in the separation of cumo sulfide ore 4 2 micromolecule organic depressant

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differential flotation of copper-zinc at prieska copper mines - saimm

to develop a method of treatment to recover copper and zinc in saleable grades of con- centrates from the perience on ores of a similar nature in other parts of the world various cannot be achieved without the use of depressants there are however no may involve problems in separating sphalerite from the pyrite

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mining reagents - aluminium and chemical resources

the range of products is backed by both local as well as international full copper lead and zinc sulfides and precious metals gold platinum group metals the primary function in froth flotation is a physico-chemical separation peridur is a non-contaminating organic binder for the agglomeration of iron ore pellets