The compositions are added to mineral ore slurry prior to or during the process of comminuting the mineral ore in a mineral mining process. [0002] The mineral industry is a large consumer of chemicals which are used during many stages of the processing of mineral ore. For example, chemicals are added to facilitate grinding of large chunks of ...
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Grinding is an indispensable step in mineral processing to reduce particles' size and liberate minerals before they are subjected to further separation processes. Grinding is characterized by high energy consumption and low energy efficiency (~ 1%) (Cheng et al. 2019; Liu et al. 1989; NapierMunn 2015).
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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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a technology of hydrolyzed starch and mineral ore, which is applied in the direction of coatings, grain treatments, adhesives, etc., can solve the problems of inefficient grinding stage of mineral ore, high energy consumption of mineral ore, etc., and achieves the effects of reducing downtime, increasing capacity and throughput of mineral ore, and shortening time periods
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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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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 protein content was %, lipids %, and fiber %, which can be considered low compared to the same products made with corn starch. The low levels of minerals in the hydrolyzed starch suspension would not require the passage through the ion exchange resin column or use of activated carbon, which represents cost reduction, besides the ...
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mineral ore slurry ore mineral grinding Prior art date 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.) Granted Application number Other languages German (de) English (en) French (fr)
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WO HYDROLYZED STARCHES AS GRINDING AIDS FOR MINERAL ORE PROCESSING. Publication Number WO/2015/002720 ... Title HYDROLYZED STARCHES AS GRINDING AIDS FOR MINERAL ORE PROCESSING Abstract Grinding aid compositions comprising hydrolyzed starches, such as dextrin, maltodextrin or corn syrup solids. The grinding aid compositions are ...
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Figure shows the difference in energy efficiency between a laboratory ball mill and a stirred mill grinding a gold ore using 6 mm diameter alumina balls as media. At a fine grind size there is a clear advantage in energy consumption for a stirred mill over the tumbling mill. However, as the grind size coarsens, the difference in specific energy required to achieve the grind lessens.
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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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Cement mineral grinding aids . Grinding aids Quality improvers In the world practice of cement grinding and other solids for more than 60 years the theory Adsorption related strength decrease of solids has dominated this theory is formulated in 1928 by Soviet scientist Peter Alexandrovich Rehbinder
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6. The process of any one of claims 1, wherein the grinding aid is added to the aqueous slurry in an amount of about % to about % by dry weight of the mineral ore; can be from about to about %. 7. The process of claim 1, wherein the at least one flocculating agent can be linear, branched or crosslinked.
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mineral processing hydrolyzed starches milling aids aids milling Prior art date Application number CLA Other languages Spanish (es) Inventor Zoha AlBadri Krill Bakeev Andrew Dimaio Original Assignee Solenis Technologies Cayman Lp Priority date (The priority date is an assumption and is not a legal conclusion.
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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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Acid Hydrolysis of Starch. Mineral acids like sulphuric or hydrochloric acids are used in treating starch to obtain acidhydrolyzed starch. This process of acidhydrolysis of starch results in the depolymerization of the starch polymer (De siqueira et al., 2017).Acidhydrolysis of starch is performed to remove fatty substances from native starch and improve the starch's physical and ...
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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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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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Mineral processing is composed of comminution and then the separation/beneficiation operations, which are closely linked to each other. ... Comparison of ball milling and stirred milling of copper ore. Grinding tests were carried out at various energy levels to obtain products having p 80s of 330 µm, 69 and 38 µm. The size distributions are ...
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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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The use of grinding aids in the cement industry to improve the grindability and product throughput of the cement clinker dates to 1930 . Most grinding aids are organic liquids, such as triethanol amine, glycerol, alcohols, propylene glycol, organosilicones, diethylene glycol, and resins, etc. [27,81].
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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 ...
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Chromite ore processing residue (COPR), derived from the socalled highlime processing of chromite ore, contains a significant fraction of a leachable Cr(VI) which is harmful to human being and other organisms. In recent years, the concern over environmental pollution from the waste residue containing Cr(VI) has become a major problem for the chromium chemical industry.
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The use of grinding aids in the cement industry to improve the grindability and product throughput of the cement clinker dates to 1930 . Most grinding aids are organic liquids, such as triethanol amine, glycerol, alcohols, propylene glycol, organosilicones, diethylene glycol, and resins, etc. [27,81].
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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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Effects of grinding aids on the grinding kinetics and surface morphological characterization of quartz. ... Mineral Processing and Extractive Metallurgy Review 2022, 43 (3), ... A comparative study on the effect of chemical additives on dry grinding of magnetite ore. South African Journal of Chemical Engineering 2020, 34, 135141.
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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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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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EPB1 EPA EPB1 EP B1 EP B1 EP B1 EP A EP A EP A EP B1 EP B1 EP B1 Authority EP European Patent Office Prior art keywords ore slurry grinding mineral mineral ore Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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