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Dec 10, 2013· Read "Influence of sodium silicate modulus on iron ore flotation with sodium oleate, International Journal of Mineral Processing" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Oct 15, 2018· The increase of sodium silicate modulus had a small influence on response variables. These cases indicate that CMC and sodium silicate have the selective depressant effects on the flotation separation of ilmenite and silicon gangue minerals.
Abstract. The recovery of iron from the screw classifier overflow slimes by direct flotation was studied. The relative effectiveness of sodium silicates with different silica-to-soda mole ratios as depressants for silica and silicate bearing minerals was investigated.
The interaction between sodium silicate and mineral surfaces is still not well understood. This investigation aimed to illuminate the sodium silicate action mechanism as a depressant in the flotation of the minerals quartz and calcite. The experiments were done with high-purity mineral samples in the particle size range below 147 µm.
Download Citation on ResearchGate | On Jan 1, 2018, L. Xia and others published The Role of Soluble Sodium Silicate for Enhancing Flotation Selectivity of Sulphides Towards Grade and Recovery ...
PDF | Sodium silicate (water glass) is a modifier reagent widely used in flotation with the function of a depressant or dispersant. The interaction between sodium silicate and mineral surfaces is ...
PDF | The role of sodium sulphide in amine flotation of the silicate zinc minerals willemite and hemimorphite is discussed. Data from the literature are compared with experimental results obtained ...
GOLD FLOTATION The flotation process, which is today so extensively used for the concentration of base-metal sulphide ores and is finding increased use in many other fields. In 1932 flotation plants began to be installed for the treatment of gold and silver ores as .
The mechanism of the action of sodium silicate in the flotation of phosphate was investigated by studying the nature of the silicate species both in solution and on the mineral surfaces and the influence of the silicate species on the flotation performances of the valuable mineral (apatite) and the gangue mineral (hematite).
Flotation responses of these minerals in the presence of potassium oleate and sodium silicate are presented and compared with electrokinetic data. Colloidal silica appears to be the species principally responsible for calcite depression, while silicate anion is the species responsible for fluorite depression.
The influence of sodium silicate in nonmetallic flotation systems. ... cent at 100 ppm dodecyl phosphate and 75 ppm sodium silicate. The flotation mechanism was investigated by characterising ...
Sodium silicate (s), also known as "water glass", are one of the oldest and most widely used industrial chemicals. Its first use in Canadian operations can be traced back to around 1925, which coincided with early use of xanthates in mineral flotation .
Non-metallic flotation process Download PDF Info ... Prior art keywords ore percent pulp calcite silicate Prior art date 1963-09-12 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime
Abstract. Salt-type minerals flotation is discussed, based mainly on experiments on magnesite, dolomite and calcite. Among the parameters affecting flotation, the following are examined : crystal structure, solubility of minerals, surface charge, collectors, organic and inorganic modifiers, adsorption, contact angle and floatability.
Abstract: The influences of sodium silicate on manganese electrodeposition in sulfate solution were investigated. Manganese electrodeposition experiments indicate that a certain amount of sodium silicate can improve cathode current efficiency and initial pH 7.0−8.0 is the optimized pH for high cathode current efficiency.
Although some reagents, such as sodium silicate, starch, and carboxymethyl cellulose, have a good inhibiting effect on dolomite flotation, there is no selectivity in the flotation separation of magnesite from dolomite in practice, which is probably due to the two minerals .
For refractory oxidised copper ores of Huidong Sichuan province, studing the different depressants on the influence of oxidised copper ores flotation behavior. The results showed that: the depressanting effect of the combination of sodium hexametaphosphate primarily is better. When the dosage of the combination of sodium hexametaphosphate and sodium humate reagent is 300 g/t, ratio is 2:1,the ...
Batch flotation tests were carried out to investigate the influence of sodium silicate dosage, modulus and addition of ca++ ions, on the separation selectivity of phosphorous and siliceous gangue ...
system consisting of the sodium salt of collector soap, calcium ions and sodium silicate was studied under the conditions that prevail in a typical newsprint deinking pulper. It was found that the soap and the sodium silicate compete for the calcium ions, and sodium silicate showed a measurable chelating e:ffect on calcium ions. Thus,
How calcite and silica can be depress in froth flotation of fluorite? I have already tried sodium silicate and quebracho.
Influence of sodium silie modulus on iron ore flotation with . Soluble sodium silie or water glass is the most widely used dis persant of slime in wet mineral processing. It is also very frequently used as depressant in nonmetallic flotation such as phosphate flotation in order to depress siliceous gangue and carbonates (Zhang et al., 2007).
Mineralogical and Metallurgical Examination of Fluorosilicate Mineral Flotation in the Ok Tedi Circuit L S Pang urn 1, D W Lauder2, E V Manlapig 1, I R Mackinnon3 and J W Glatthaar4 ABSTRACT The Ok Tedi copper orebody consists of porphyry and skarn orebodies.
The Effect of Sodium Silicate as pH Modifier and Depressant in the Froth Flotation of Molybdenite Ores Chul-Hyun Park and Ho-Seok Jeon* Korea Institute of Geoscience and Mineral Resources, Daejeon 305-350, Korea In flotation of porphyry molybdenite ores or copper-molybdenite ores using oil collector, a molybdenite (MoS 2) concentrate has mainly
Sodium silicate is employed as a deflocculator of gangue slime in cases where the latter is too floatable to be kept out of the concentrate by any other means. Its application is confined mainly to the flotation of lead and zinc ores and tailings.
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