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us4575419a differential flotation reagent for molybdenum

A dry differential flotation reagent for molybdenumbearing ore is disclosed comprising from about 1 to about 30 percent by weight of NaSH 0 to 20 percent by weight of NaOH 60 to 90 percent by weight of a mixture of sodium thiophosphates comprising as major components thereof Na 3 PS 4 Na 3 PS 3 O Na 3 PS 2 O 2 and Na 3 PO 3 S with Na 3 PS 4 further comprising from about 15 mole

lowerph copper flotation reagent system department of

Oct 01 2012 Ametov et al 2008 found the decrease in the flotation feed density considerably improved recovery of molybdenite while copper recovery either

optimization of a coppermolybdenum flotation

Mar 02 2014 It is produced with advanced technology and excellent craft It has been used with long period in many molybdenum flotation factories in China It has obvious depressor effect for copper sulphur and other material so it will effectively improve the molybdenum concentrate level and bring high economic profit to enterprise

handbook of flotation reagents mesa

Lime increases the viscosity of the mineral slurry and tends to hinder aeration slowing flotation kinetics In addition the calcium ion also has been shown to decrease recoveries of lead and molybdenumsulfides and to reduce the recovery of free gold A new reagent system developed by Versitech Inc with assistance from DOEs Inventions and Innovation Program recovers copper minerals at a much lower pH than conventional reagents

modified reagent mode in porphyry coppermolybdenum

Nov 01 2017 Flotation responses of chalcocite and molybdenite as a function of pH Chalcocite and molybdenite both show better flotability in the presence of BX and Z200 within the whole pH range of 212 Fig 3 a and b with recovery of higher than 85

us3837489a molybdenum disulfide flotation antifoam

Due to the different ore properties the dosage range of flotation reagent is also different Even for the same type of ore there are also some differences in the formation of ore deposit so the content of useful minerals and gangue vary and the dosage of flotation reagent required in the flotation

effect of clay slimes on copper molybdenum flotation

Optimization of a CopperMolybdenum Flotation Circuit by Depressing Pyrite from flotation reagents SQ47 Figure 26 Scheme 6 using AERO 3302 and lime as flotation reagents AQ48 Figure 27 Scheme 6 using AERO 3302 and lime as flotation reagents SQ 48

high precision advanced molybdenum ore price products

Oct 01 2012 There are several flow sheets listed in Fig 1a and b used in the flotation recovery of copper and molybdenum from their porphyry sulfide ores Fig 1a is a typical flow sheet that consists of two stages Raghavan and Hsu 1984 Bulatovic 2007 Liu et al 2011The first stage commonly known as the copper circuit produces a bulk copper sulfidemolybdenum sulfide concentrate

how to increase molybdenum grade in a flotation plant

1243 Molybdenum flotation and separation from porphyry copper molybdenum ores 253 1244 Plant reagent scheme data and factors influencing plant metallurgy 257 Contents 1245 Flowsheet used in flotation of porphyry copper ores and Classification of Flotation Reagents 2 1

flotation equipment for molybdenum ore castrobar

Porphyrytype deposits are the major sources of copper and molybdenum and flotation has been adopted to recover them separately The conventional reagents used for depressing copper minerals such as NaHS Na 2 S and Nokes reagent have the potential to emit toxic H 2 S gas when pulp pH was not properly controlled Thus in this study the applicability of microencapsulation ME using

molybdenite flotation from coppermolybdenum

Jun 15 2018 Hydrogen peroxide H 2 O 2 has been used as an oxidizing agent in the selective flotation of chalcopyrite and molybdeniteHowever this method required relatively high concentration of H 2 O 2 to deliver flotation results ie mineral grades and recoveries comparable to those obtained by the conventional coppermolybdenum CuMo ores flotation using sodium hydrosulfide NaHS

world leader in advanced flotation

ABOUT US Located in Yantai City Shandong Province YANTAI ITAO MINERAL PROCESSING REAGENTS CO LTD is a hightech enterprise specializing in services including environmentallyfriendly gold ore refining design RampD production and sales

sodium thioglycolate flotation reagents

A review of potash flotation shows that there is still room for improvement in both coarse and fine potash flotation The present paper reviews the most significant flotation parameters including reagent type and dosage flotation circuits flotation equipment size and new developments in potash flotation

a novel approach for preferential flotation recovery of

The selected reagent mode at a bulk flotation cycle with industrial kerosene and Beraflot as collectors and OPSB as a frother made it possible to recover 87 of copper and 82 of molybdenum into

floatation reagents slideshare

An antifoam and process for the separation of molybdenum values associated with predominantly copper ores of the sulfide type The antifoam which is primarily directed to laundering or cleaning stages in the moly cycle consists of a utilization of 160 ppm of a polyoxyethylene glycol ester in a hydrocarbon diluent per ton of ore The oxyethylene fraction has a value of about 1002000 and an

mechanism study on flotation separation of molybdenite

Do You Use Flotation Reagent Right in the Flotation Process For the flotation process whether a mineral processing obtains the satisfactory mineral processing indexes depends largely on the flotation reagent system including the type of flotation reagent the amount of flotation reagent the method and location of flotation reagent added

flotation reagent flotation agent flotation reagents

BK901 is an effective collector for the flotation of copper gold silver zinc molybdenum sulfides The collectivity of BK901 to pyrites is weak But its selectivity to copper gold silver ores is good In the flotation process BK901 displays strong collectivity good

metals special issue advances in selective flotation

As an alternative solution flotation at reduced pulp density 24 improved the grade and the recovery of copper and molybdenum and decreased the grade and recovery of Al 2 O 3 and SiO 2 in

selective flotation of chalcopyrite and molybdenite using

Application Xinhai froth flotation process can be widely used in nonferrous metal ferrous metal and nonmetal minerals especially used in roughing and scavenging of large and mediumsized flotation plantIt can process nonferrous metals such as gold silver copper iron tungsten lead zinc tin molybdenum nickel tantalum niobium and manganese ore and also process nonmetal minerals

about us ecofriendly gold leaching reagents gold

Mining flotation separator process equipment molybdenum froth flotation machine US 8000016500 Set 1 Set Min Order Advanced Equipment new small jaw crusher price list for molybdenum ore US 1500 Mine frother price gold ore dressing agent mining depressant flotation reagent d411 US 39004500 Ton 20 Tons Min Order YampX

an overview of potash flotation

Molybdenite Froth Flotation Climax Molybdenum Company Molybdenite Concentrate Mineral Beneficiation These keywords were added by machine and not by the authors This process is experimental and the keywords may be updated as the learning algorithm improves

supply collecting reagent bk901 factory quotes oem

Test work on flotation air requirements in the molybdenum plant indicated that the use of nitrogen in open flotation cells without any means of recycling the nitrogen would be uneconomical at bulk nitrogen prices Read More Flotation Reagent In Dressing Of Ore Advanced How To Increase Molybdenum Grade In A Flotation

review of molybdenum recovery processes springer for

Flotation molybdenum ore beneficiation plant Brief introduction to flotation molybdenum ore beneficiation plant The molybdenum ore is a leaden color metallic luster and hexagonal crystal metal element Inquire Now molybdenum processing flotation equipment molybdenum processing flotation equipment The Gulin product line consisting

froth flotation process flotation cell flotation separation

Typically rougher molybdenite flotation and recovery from bulk coppermolybdenum concentrates involves the use of alkalisulfides Nokes reagents cyanides oxidants andor thermal treatment to depress copper sulfide minerals The bulk coppermolybdenum feed generally varies from 02 Mo to 10 Mo and with traditional reagents the singlestage rougher flotation recovery of molybdenite