Fig. 3, Fig. 4 illustrate that adding grinding aid sodium silicate, the D 90 particle size of muscovite product decreases, −10 μm and −20 μm particle content increases. When sodium silicate was not added for grinding, the particle size of muscovite product D 90 was μm. When the dosage of sodium silicate was %, the D 90 particle size of the muscovite product decreased to ...
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Grinding plays an important role in mining, construction, metallurgy, chemical, coal and other basic industries. In terms of beneficiation, grinding is the most energy consuming operation. So, reasonable grinding conditions according to the properties of ores is the key to obtain good grinding results and reduce energy consumption and resource waste. In this paper, Tongkeng and Gaofeng ...
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It has been estimated that grinding consumes up to 4% of global electrical energy and accounts for more than 50% of the total energy used in mining operations. In addition, more than 90% of the total energy supplied in beneficiation plants is dissipated as heat, kinetic energy, noise, and inefficient breakage of ores/raw material.
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8. A method of wet grinding a mineral ore comprising providing an aqueous mineral ore slurry having a solids concentration of at least about 30% by dry wt. of the slurry; adding from about % to about % by dry weight of the slurry a hydrolyzed starch; and comminuting the mineral ore. 9.
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The general use of chemical grinding aids involving several different mechanisms for increasing throughput in the wet grinding of ores has been discussed in a number of recent publications. It appears from industrial scale testing that the use of selective dispersants with certain prespecified operating conditions is an approach which can produce two important results: first, increased feed ...
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The grinding aid compositions are typically added to various mineral ore slurries prior to grinding operations to affect the rheology characteristics of the mineral ore slurries. Grinding aid compositions comprising hydrolyzed starches, such as dextrin, maltodextrin or corn syrup solids.
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Starch is the most abundant carbohydrate in legumes (2245 g/100 g), with distinctive properties such as high amylose and resistant starch content, longer branch chains of amylopectin, and a Ctype pattern arrangement in the granules. The present study concentrated on the investigation of hydrolyzed faba bean starch using acid, assisted by microwave energy, to obtain a possible foodgrade ...
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Grinding is the most energyintensive step in mineral beneficiation processes. The use of grinding aids (GAs) could be an innovative solution to reduce the high energy consumption associated with size reduction. Surprisingly, little is known about the effects of GAs on downstream mineral beneficiation processes, such as flotation separation.
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EPA1 EPA EPA1 EP A1 EP A1 EP A1 EP A EP A EP A EP A1 EP A1 EP A1 Authority EP European Patent Office Prior art keywords mineral ore slurry ore mineral grinding Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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The SiO(OH) 3 − hydrolyzed by sodium silicate adsorbs on the surface of muscovite, which leads to the dispersion of muscovite pulp, and thus improves the grinding effect. This study has some reference significance for improving the production efficiency of muscovite powder and the application of grinding aids.
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SHMP has been introduced into the grinding process of rutile, cassis, and other minerals due to its wide application field, safety, and stability compared with other grinding aids [21,22,23,24,25]. At present, there is a lack of research on SHMP as a muscovite grinding aid.
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Patent application title: HYDROLYZED STARCHES AS GRINDING AIDS FOR MINERAL ORE PROCESSING Inventors: IPC8 Class: AB02C2306FI USPC Class: 241 15 Class name: Solid material comminution or disintegration processes with application of fluid or lubricant material Publication date: Patent application number:
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Semiautogenous (SAG) mills are widely used grinding equipment, but some ore with critical particle sizes cannot be effectively processed by SAG mills and turned into pebbles. This research aims to analyze and compare the properties of raw ore and pebbles from a zinc and tinbearing ore. The results show that the contents of sphalerite, cassiterite, biotite, antigorite, pyroxferroite ...
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Hydrolyzed starches as grinding aids for mineral ore processing (51) International Patent Classification(s) B03D 1/01 () C22B 15/00 () C22B 1/00 () (21) Application No: (22) Date of Filing: ... HYDROLYZED STARCHES AS GRINDING AIDS FOR MINERAL ORE PROCESSING [0001] This application claims the benefit of ...
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Advances in the mineral processing steps are constant. Crushing develops more efficient particle breaking, avoiding fine particles, and optimizing energy consumption. The liberation step is the grinding process and consumes most of the energy in a mineral processing plant. The liberation size gets smaller every day, and the milling operation ...
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Grinding aid compositions comprising hydrolyzed starches, such as dextrin, maltodextrin or corn syrup solids. The grinding aid compositions are typically added to various mineral ore slurries prior to grinding operations to affect the rheology characteristics of the mineral ore slurries.
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WOA1 Hydrolyzed starches as grinding aids for mineral ore processing Google Patents Hydrolyzed starches as grinding aids for mineral ore processing Download PDF Info Publication number WOA1. ...
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Analysis of Glycans; Polysaccharide Functional Properties. W. Bergthaller, J. Hollmann, in Comprehensive Glycoscience, 2007 Maltodextrin production. According to Alexander 119 and Kennedy et al. 120 maltodextrins are defined as nonsweet, nutritive starch hydrolysates (consisting of glucose units linked primarily by α14 bonds) with DE values less than 20.
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The grinding aid compositions are typically added to various mineral ore slurries prior to grinding operations to affect the rheology characteristics of the mineral ore slurries. Grinding aid compositions comprising hydrolyzed starches, such as dextrin, maltodextrin or corn syrup solids.
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EP B1 HYDROLYZED STARCHES AS GRINDING AIDS FOR MINERAL ORE PROCESSING [origin: USA1] Grinding aid compositions comprising hydrolyzed starches, such as dextrin, maltodextrin or corn syrup solids. The grinding aid compositions are typically added to various mineral ore slurries prior to grinding operations to affect the rheology characteristics of the ...
WhatsApp: +86 18203695377
The grinding aid compositions are typically added to various mineral ore slurries prior to grinding operations to affect the rheology characteristics of the mineral ore slurries. Grinding aid compositions comprising hydrolyzed starches, such as dextrin, maltodextrin or corn syrup solids.
WhatsApp: +86 18203695377
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