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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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 mining chemicals market is set to be worth in excess of 38bn by 2024 and demand for frothers, flocculents, grinding aids and solvent extractants is expected to spike during the next decade as the declining quality of mineral reserves drives the development of more advanced processing methods. In addition, investment in RD aimed at ...
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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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Hydrolyzed starches as grinding aids for mineral ore processing. Patent number: Abstract: 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 ...
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In this paper, different doses of sodium hexametaphosphate (SHMP) were added as grinding aids in the process of muscovite grinding, and the effect of SHMP on the grinding efficiency of muscovite was studied. The grinding experiment results show that the grinding efficiency increases significantly with the increase in SHMP dosage. The mechanism of SHMP improving the grinding efficiency of ...
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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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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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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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In this work, a valorization of the starch stemming from downgraded potatoes was approached through the preparation of starch nanoparticles using different physical methods, namely liquid and supercritical carbon dioxide, high energy ball milling (HEBM), and ultrasonication on the one hand and enzymatic hydrolysis on the other hand. Starch nanoparticles are beneficial as a reinforcement in ...
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Mineral Processing and Ore Dressing. Before the event of ore dressing, crude ores were shipped directly to the smelters, or the refineries, with the shipper paying the freight and treatment charges. These charges varied with the type of ore and the distance from the smelter. In all cases they were many times our modem milling costs.
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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 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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For some minerals, this induced mechanochemistry can enhance recovery in flotation [37]. However, in fine and ultrafine grinding for ore liberation, wet grinding dominates due to the greater efficiency, and because subsequent separation processes tend to require wet operation, making the advantages of dry milling in terms of water usage redundant.
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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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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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2020 (English) In: Journal of Materials Research and Technology, ISSN, Vol. 9, no 4, p. Article, review/survey (Refereed) Published Abstract [en] Grinding aids (GAs) have been an important advent in the comminution circuits. Over the last few decades, in order to address the high energy consumption and scarcity of potable water for mineral processing, chemical additives ...
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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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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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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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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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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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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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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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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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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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Size reduction units (crushing and grinding) in cement and mineral processing plants consume up to 4% of the global electrical energy produced yearly, especially in a ball mill as the ...
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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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The gradual depletion of highgrade ore deposits has prompted global attention towards exploring the possibilities of processing. claybearing ores. As a result, the research on the action mechanism and effects of clay minerals on different mineral processing operations has become of more scientific interest than ever before.
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Hydrolized Starches as Grinding Aids for Mineral Ore Processing Filed January 9, 2014 United States. Grinding aid compositions comprising hydrolyzed starches, such as dextrin, maltodextrin or corn ...
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Herein, hydrogels based on starch from corn, sweet cassava and bitter cassava were prepared by a straightforward approach. The hydrogels were obtained by an oxidation process using the redox system KMnO 4 /NaHSO 3 which leads to the formation of carbonyl and carboxyl groups with minimum polymer hydrolysis. The resulting oxidized samples as well as the native starches were extensively ...
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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.
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
For dry grinding, the high energy consumption remains the major problem coupled with low throughputs. This necessitates energyefficient technologies and strategies. As such, the use of additives (grinding aids) in mineral processing can be considered as a promising alternative for reducing energy consumption.
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