scheelite flotation selective

Selective flotation of scheelite from calcite using a

· Selective flotation of scheelite from calcite using AlNa 2 SiO 3 polymer as depressant and PbBHA complexes as collector Miner Eng, 120 (2018), pp 2934 Article Download PDF CrossRef View Record in Scopus Google Scholar Xu et al, 2017 L Xu, J Tian, H Wu, Z Lu, W Sun, Y Hu The flotation and adsorption of mixed collectors on oxide and

A Highly Selective Reagent Scheme for Scheelite Flotation

· The flotation behavior of polyaspartic acid (PASP) in a scheelite and calcite flotation that uses Pb–BHA was determined via flotation experiments Furthermore, the selective adsorption of PASP on the mineral surfaces and the effect of PASP on the adsorption of Pb–BHA on the mineral surfaces were investigated through zeta potential measurements, X

Selective flotation of scheelite from calcite: A novel

Gao used mixtures of octyl hydroxamic acid (HXMA8) and NaOl as a collector for scheelite flotation and achieved the selective separation of scheelite from calcite (Gao et al, 2016) Deng

Selective flotation of scheelite and calcite

Selective flotation of scheelite and calcite * D P Patil and * U B Nayak INTRODUCTION : The gold tailings from Kolar Gold Fields containing low scheelite values has a complex mineralogy with hornblende, quartz, arsenopyrite and calcite as major gangue minerals, The most difficult problem in scheelite flotation is not the removal of the siliceous or sulphide gangue, but the

Selective Flotation of Scheelite and Calcite | Semantic

Direct flotation tests to recover scheelite from tailings failed due to the dilution of the concentrate by calcite Hence to adopt the flotation process successfully, it is necessary to depress the calcite selectively which is not achieved easily(2) due to the presence of small amounts of Ca, Mg and Fe salts and the lean grade of the ores to be treated Slime coating(3) is also another

Froth flotation of scheelite – A review ScienceDirect

· The main objective was and remains the selective flotation of scheelite from other calciumbearing minerals, in particular calcite, fluorite and apatite Due to similar properties, most attempts have limited success or only specific application (linked to a type of ore or a location) This article aims at reviewing all general physicalchemical information on froth flotation of

Flotation Separation of Scheelite from Fluorite Using

· The flotation results reveal that the selective depression effect of PANa is better than that of sodium silicate, and PANa can depress fluorite more effectively than scheelite The flotation recovery of scheelite and fluorite keeps at about 75% and 10%, respectively, at the pulp pH 93~96 and PANa concentration from 30 to 50 mg/L IR spectra results suggest that PA

Selective Flotation of Scheelite and Calcite [email protected]

Selective Flotation of Scheelite and Calcite Patil, D P and Nayak, U B (1985) Selective Flotation of Scheelite and Calcite In: Proceeedings of National Seminar on Mineral Processing and IX Annual Technical Convention of Indian Institute of Mineral Engineers, 11th & 12th March 1985, National Metallurgical Laboratory (CSIR), Jamshedpur PDF 2157Kb : Abstract The

Selective Flotation of Scheelite from Calcite Using a

The flotation results indicate SH exhibited selective depression effect on calcite in the presence of sodium oleate, achieving the flotation separation of scheelite from calcite Zeta potential

Selective Flotation of Scheelite and Calcite | Semantic

Direct flotation tests to recover scheelite from tailings failed due to the dilution of the concentrate by calcite Hence to adopt the flotation process successfully, it is necessary to depress the calcite selectively which is not achieved easily(2) due to the presence of small amounts of Ca, Mg and Fe salts and the lean grade of the ores to be treated Slime coating(3) is also another

Selective flotation of scheelite from calcite and fluorite

Flotation abstract Collector 733, a sodium soap (C 12–16COONa) is widely used industrially for scheelite ﬂotation Low selectivity of 733 collector is always observed In this study, a collector mixture of 733 and MES (sodium fatty acid methyl ester sulfonate) demonstrated a high selectivity for the ﬂotation of scheelite from calcite and ﬂuorite An optimal mass ratio 4:1 of 733:MES

Flotation separation of scheelite from calcite using

Keywords: scheelite, calcite, flotation, sodium polyacrylate, selective depression 1 Introduction Calciumbearing minerals such as scheelite, calcite are important industrial minerals, they can be used as raw materials for production of spaceflight, cement and so on But the separation of scheelite and calcite is a difficult issue in flotation, which is the common method to separate

Flotation Separation of Scheelite from Fluorite Using

· The flotation results reveal that the selective depression effect of PANa is better than that of sodium silicate, and PANa can depress fluorite more effectively than scheelite The flotation recovery of scheelite and fluorite keeps at about 75% and 10%, respectively, at the pulp pH 93~96 and PANa concentration from 30 to 50 mg/L IR spectra results suggest that PA

Selective depression behavior of guar gum on talctype

The flotation results for monominerals, mixed minerals, and actual mineral samples indicated that guar gum exhibited much higher selective depression for talc than for scheelite Benchscale closedcircuit tests showed that a tungsten concentrate with a WO 3 grade of 5143% and a WO 3 recovery of 7618% was obtained Adsorption tests, zetapotential measurements, and infrared

A novel flotation scheme: selective flotation of tungsten

· Selective flotation of scheelite from calcium minerals with sodium oleate as a collector and phosphates as modifiers I Selective flotation of scheelite Int J Miner Process 1983;10(3):205 Article Google Scholar [7] Shi Q, Feng Q, Zhang G, Zhang G, Deng H A novel method to improve depressants actions on calcite flotation Miner Eng 2014;55:186 Article

Selective flotation of scheelite from calcite and fluorite

Flotation abstract Collector 733, a sodium soap (C 12–16COONa) is widely used industrially for scheelite ﬂotation Low selectivity of 733 collector is always observed In this study, a collector mixture of 733 and MES (sodium fatty acid methyl ester sulfonate) demonstrated a high selectivity for the ﬂotation of scheelite from calcite and ﬂuorite An optimal mass ratio 4:1 of 733:MES

Flotation separation of scheelite from calcite using

Keywords: scheelite, calcite, flotation, sodium polyacrylate, selective depression 1 Introduction Calciumbearing minerals such as scheelite, calcite are important industrial minerals, they can be used as raw materials for production of spaceflight, cement and so on But the separation of scheelite and calcite is a difficult issue in flotation, which is the common method to separate

Selective flotation of scheelite from calcite using

The flotation results showed that CLS had strong depressant effect on calcite flotation while exhibited little influence on scheelite flotation Scheelite can be separated efficiently from scheelitecalcite mixed binary minerals in pH range of 7–11, when CLS was added prior to NaOl The selective depressant effect of CLS on calcite was analyzed through interactions between

Selective flotation of scheelite from calcite using

Selective flotation of scheelite from calcite using XANTHAN GUM (cas 1) as depressant; Add time:07/18/2019 Source:sciencedirect XANTHAN GUM (cas 1) (XG), a clean, nontoxic macromolecular polysaccharide, was studied as a depressant in the flotation separation of scheelite from calcite Its selective inhibition mechanism was

Laboratory Testing of Scheelite Flotation from Raw Ore in

supporting the selective depression of Cabearing gangue minerals Furthermore, a locked cycle test (LCT) was carried out based on batch test results for the design of a continuous pilot plant Keywords: scheelite; tungsten; ﬂotation; Cabearing minerals; locked cycle test 1 Introduction Tungsten has been one of the important metals, which is widely used in various industries

USA Scheelite flotation process Google Patents

A process for separating scheelite from gange wherein the ore is ground with 04 to 10 grams of alkali metal carbonate per kg of ore, forming a pulp and removing sulfide minerals from pulp liquor Carrying out froth floatation in the presence of paraffin oil, 0104 gram of fatty acid per kg of ore and 3255 grams of sodium silicate per kg of ore wherein the weight ratio of

scheelite flotation collector in madagascar

Selective flotation of scheelite from calcite: A novel Posted by Shen Get A Quote Abstract Sodium oleate NaOl has been widely used as a collector for the scheelite flotation However, low selectivity of NaOl and large amount of sodium silicate SS needed remain tough problems In this study, octyl hydroxamic acid HXMA 8 was used as an associate collector with NaOl in

Selective depression behavior of guar gum on talctype

The flotation results for monominerals, mixed minerals, and actual mineral samples indicated that guar gum exhibited much higher selective depression for talc than for scheelite Benchscale closedcircuit tests showed that a tungsten concentrate with a WO 3 grade of 5143% and a WO 3 recovery of 7618% was obtained Adsorption tests, zetapotential measurements, and infrared

Low Solubility Mineral Flotation

· An important domestic resource beneficiation problem is the selective flotation of scheelite from the skarn type of deposit Here the scheelite is associated with fluorite and much limestone and marble Selectivity is necessary not only between scheelite and calcite but also between scheelite and fluorite The inability to reject nearly all of the fluorite, say, would so