sodium sulfate flotation optimization

FLOTATION OF ALUMINA FROM GIBBSITE BEARING–SHALE …

However, the flotation of gibbsite by using amines as collectors can not be applied for the south western Sinai gibbsite ore because a significant amount of quartz is present. Bulut and Yurtsever [8] found that, sodium dodecyl sulfate, as an alkyl sulfate collector, is effective in the acidic pH range during the flotation of alumina

Foam Flotation Treatment of Heavy Metals and Fluoride ...

Talbot (37) has investigated the foam flotation of Cu(II) with sodium lauryl sulfate, and Miller and Sullivan (38) have studied the foam fractiona- tion of Hg(II) nitro complexes. Schonfeld and his coworkers have observed that surfactants which can act as chelates as …

Flotation of sphalerite and pyrite in the presence of ...

1.. IntroductionPyrite is one of the major diluents of copper, lead and zinc concentrates. One explanation for the high flotation of pyrite in alkaline pH conditions is its inadvertent activation by copper either dissolved from copper minerals present in the ore or added in the zinc circuit to activate the flotation of sphalerite Bushell and Krauss, 1962, Voigt et al., 1994.

Flotation of Silver Bearing Minerals from Sulfide Ores

Flotation of Silver Bearing Minerals from Sulfide Ores. Silver is an economically important component of many complex, massive sulfide ores, and often is produced as a byproduct during recovery of base metals from sulfide deposits. About two-thirds of the world's silver resources are contained in base-metal sulfide deposits (Reese, 1991 ...

Removal of sulfate ions by dissolved air flotation (DAF ...

Flocculation-DAF of sulfate-bearing flocs generated from the sodium sulfate solution The effect of the polymer flocculant concentration on the flotation of sulfate-loaded flocs is shown in Fig. 4 . It was observed that non-flocculated precipitates do not float properly, leading to a fairly low sulfate removal (1800 to 1100 mg·L − 1 ).

US3528767A - Production of potassium chloride,potassium ...

US3528767A US3528767DA US3528767A US 3528767 A US3528767 A US 3528767A US 3528767D A US3528767D A US 3528767DA US 3528767 A US3528767 A US 3528767A Authority US United States Prior art keywords potassium sulfate chloride line carnallite Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

Protein Precipitation Using Ammonium Sulfate

Protein Purification. Practical details of selective precipitation are presented in unit 4.5, and an example in the purification of interleukin 1β is given in unit 6.2 where the protein is fractionated between ~50 – 77% saturation. Low molecular weight proteins, like interleukin-1β, as a rule require higher salt concentration for precipitation than larger molecular proteins, for example ...

US3525434A - Methods for separating chloride,sulfate and ...

US3525434A US763959A US3525434DA US3525434A US 3525434 A US3525434 A US 3525434A US 763959 A US763959 A US 763959A US 3525434D A US3525434D A US 3525434DA US 3525434 A US3525434 A US 3525434A Authority US United States Prior art keywords salt sodium chloride salts burkeite flotation Prior art date Legal status (The legal status is an assumption and is not …

Valorization of sodium sulfate waste to potassium sulfate ...

Valorization of sodium sulfate waste to potassium sulfate fertilizer: experimental studies, process modeling, and optimization May 2020 International Journal of Green Energy 17(6):1-8

Péter Diós, PhD - Production Area Manager - Richter Gedeon ...

Face-centered central composite design (with three factors, in three levels) was used for evaluation and optimization of in vitro floating and dissolution studies. Sodium alginate (X1), low substituted hydroxypropyl cellulose (L-HPC B1, X2) and sodium bicarbonate (X3) concentrations were the independent variables in the development of…

Optimization of Hydroxyropylation Conditions and Property ...

The fludity was used for characterizing the degree of acid hydrolysis. The substitution degree was measured by the spectrophotometric method. The optimized hydroxyropylation conditions were as follows: reaction temperature 40°C, reaction time 18h, amount of sodium hydroxide 1.2%, amount of anhydrous sodium sulfate 12%, respectively.

Effect of different floatation solutions on E. tenella ...

The earlier techniques for oocysts purification included saturated salt flotation, Sheather's sugar flotation, saturated magnesium sulfate flotation and chromium sulfate separation method (Jenkins et al., 2017; Ryley and Ryley, 1978; Smith and Ruff, 1975). The differential density flotation method is classical for oocyst purification, but it ...

Flotation Reagent - an overview | ScienceDirect Topics

Examples of modifiers are dextrin, dyes, lignin, polyphosphate, sodium cyanide, sodium silicate, sodium sulfide, starch, tannin, and zinc sulfate. The third period, 1951 to present, is characterized by the development of reagents specifically for flotation applications using a targeted design approach.

(PDF) Investigation of Flotation Separation of Elemental ...

Optimization of the flotation paramet ers was ... butyl xanthate was observed at pH = 8 while the flotation by sodium dibutyldithiophosphate was at pH = 10. ... of zinc sulfate on pyrite flotation ...

Effect of Copper Sulfate on Zinc Sphalerite Flotation

As an example of the beneficial effect of copper sulfate in the activation of zinc sphalerite toward flotation, the series of results shown in Fig. 1 is of interest.These represent rougher tests on a sample of heavy pyritic ore. The particular sample in question contained about 5.6% zinc as marmatite; and was treated in a circuit made alkaline with lime, using pine oil as a frother and ...

US6019904A - Hydrophilic dispersion polymers of ...

The invention comprises a method for clarifying ink-laden water obtained from the recycling of paper stocks by treating said water with a hydrophilic dispersion polymer. The hydrophilic dispersion polymer of the invention is a copolymer of a diallyl N,N-disubstituted ammonium halide cationic monomer and (meth)acrylamide (AcAm). Following dosing with the polymer, a floc is formed.

Sodium Sulfide - Structure, Properties, uses and Side effects

Sodium sulfide is a salt which plays an essential role in the organic chemistry industry. The formula for sodium sulfide is Na 2 S, or more commonly its hydrate Na 2 S·9H 2 O. Both the anhydrous and the hydrous salts are colourless solids. Sodium sulfide is a water-soluble compound, with a …

Comparison of Common Fecal Flotation Techniques for the ...

pare different flotation techniques and flota-Flotation Solutions for Helminth Ovaa Magnesium Sulfate (MgSO 4; SG 1.20) 450 g MgSO 4 1,000 ml tap water Zinc Sulfate (ZnSO 4; SG 1.18–1.20) 331 g ZnSO 4 1,000 ml warm tap water Sodium Nitrate Solution (NaNO 3; SG 1.18–1.20) 338 g NaNO 3 1,000 ml tap water Saturated Salt (NaCl; SG 1.18–1.20 ...

Nickel & Cobalt Electrowinning

Later the effects of sodium sulfate and boric acid additions were examined. The initial conditions for nickel electrowinning were (1) a cell-feed electrolyte of 90 g/l Ni with nickel present as NiSO4, pH 3.5, (2) a temperature of 50° C, (3) a current density of about 2.15 amp/dm² (20 amp/ft²), and (4) a metal extraction, or nickel drop per ...

Iron Bearing Minerals Flotation from Silica Sand Using ...

It was shown that from a flotation feed contained 360 ppm Fe2O3 and 1190 ppm Al2O3, sand concentrate contained 29 ppm Fe2O3 and 564 ppm Al2O3, was produced. The optimum flotation conditions were 3.86 kg/t sodium dodecyl sulphate dose, 3.22 flotation pulp pH, 1226 rpm impeller speed, and 22.24 L/min airflow rate.

Effects of sodium sulfate on the freshwater microalga ...

Effects of sodium sulfate on the freshwater microalga Chlamydomonas moewusii: implications for the optimization of algal culture media J Phycol. 2016 Feb;52(1):75-88. doi: 10.1111/jpy.12367. Epub 2016 Jan 11. Authors Roi Mera 1 ...

Feasibility Study of Differential Flotation of Cu–Pb–Zn ...

In this research, flotation of copper, lead and zinc minerals from a copper oxide–sulfide ore was studied. The identification tests showed that the sample is a mixture of quartz, chalcopyrite, galena, cerussite, hemimorphite and iron oxide minerals with 5.04% CuO, 1.61% PbO, 2.07% ZnO and 56.40% SiO2. The experimental design methodology (RSM) was conducted to investigate the effect of ...

Sodium sulfate | Na2SO4 - PubChem

Sodium Sulfate Anhydrous is the anhydrous, sodium salt form of sulfuric acid.Sodium sulfate anhydrous disassociates in water to provide sodium ions and sulfate ions. Sodium ion is the principal cation of the extracellular fluid and plays a large part in the therapy of fluid and electrolyte disturbances. Sodium sulfate anhydrous is an electrolyte replenisher and is used in isosmotic solutions ...

Comparatively Speaking: Sulfate vs. Sulfonate

They include things like sodium lauryl sulfate and sodium laureth sulfate. The presence of the C-O-S bond makes these materials hydrolyze at low pH values, producing alcohol and inorganic sulfate. Sulfates are stable in base at high pH values and, if ethoxylated to a relatively high level, produce low foaming alkali soluble surfactants.

Investigation of Flotation Separation of Elemental Sulfur ...

The following optimal costs of reagents, g/t: 140-200 potassium xanthate, 70-100 foaming agent, 100 copper sulfate; the concentrate yield is 41-43 %; it is extracted to, %: 95 Fe, 49 Cu, 96 Zn, 98 S0, 18-19 Pb. At flotation 18,7% of lead goes into flotation concentrate and 80.5% is lead sulfate.

Optimization of Galena Flotation Process of Irankouh ...

Although flotation is known as the main method for enrichment of this ore, operation costs and complexity of this method should be considered for better selection and optimization of chemical reagent types and dosage to get higher recovery and higher grade concentrates (Li and Zhang, 2012).

Amit Kumar - Vancouver, British Columbia, Canada ...

The effect of particle size and reagent dosages are usually the most commonly studied parameters for flotation, whereas optimization through the study of the response of the petrographic components and the rank based on the vitrinites' reflectance of coal particles (V-types) are rarely investigated. ... (sodium sulfate) ore (Somin Compañía ...

Behavior and mechanism of sodium sulfite depression of ...

The most routinely used depressants for suppression of gangue minerals in rutile flotation are inorganic reagents such as sodium fluorosilicate, sodium hexametaphosphate, depressant aluminum sulfate, sodium silicate and acidified sodium silicate among others [,,, ].

C01D 5 - Sulfates or sulfites of sodium, potassium, or ...

CN202849082U Sodium sulfate type bittern ... CN103011206A Method utilizing alunite in flotation tailing to produce potassium ... CN102815812A Optimization process method for recovering ...

sodium sulfate - Chinese translation – Linguee

ammonium la uryl sulfate, sodium lauryl sulfate, mag nesium la uryl sulfate, sodium coco sulfate, TEA-lauryl sulfate, ammonium lau reth sulfate, sodium laureth sulfate, amm onium my reth sulfate, sodium myreth sulfate, and sodium trid e ceth sulfate. lubrizol.com. lubrizol.com. Sulfochem™(AS)(AES ...

The Role of Soluble Sodium Silicate for Enhancing ...

Sodium silicate(s), also known as "water glass", are one of the oldest and most widely used industrial chemicals. Its first use in North American mining operations can be traced back to around 1925, which coincided with early use of xanthates in mineral flotation.