##tihuan2##An optimal laboratory two-step procedure was developed for sodium/potassium O-alkyl carbonodithioate (sodium/potassium alkyl xanthates) production in the form of aqueous solutions. Sodium isopropyl xanthate (Na-iPrX), as the most effective salt in a real ore flotation process, was also produced at an industrial level and …
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##tihuan2##The flotation effect of lean coal is crucial for its clean utilization. Therefore, the flotation characteristics of difficult-to-float lean coal were studied. The analysis results of the feed properties showed that the ash content of the feed was high and the particle size was very fine. The minerals in the gangue mainly included sericite, kaolinite, quartz, …
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##tihuan2##ABSTRACT In order to improve the collection performance of diesel oil on low-rank coal slime flotation, SPS (Span80, Polysorbate, sodium dodecyl sulfate) composite emulsifier was mixed with diesel fuel to prepare SPS microemulsion, as a collector for coal slime flotation. When the ratio of SPS emulsifier to diesel oil is 1:2, clean coal yield and the …
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##tihuan2##The results showed that the blended coal−based fischer−tropsch synthetic oil could be used as collector for coal slime flotation, and under the condition of the same dosage, it could obtain better flotation index than traditional hydrocarbon oil collector. When the collector dosage was 50 g/t and kerosene was used as collector, the clean ...
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##tihuan2##ABSTRACT In this work, a three-product slime flotation experiment was conducted utilizing a two-stage direct flotation method with the BS collector and dodecane reagent system to maximize the flotation efficiency and reduce the flotation tailings along with an increase in its ash content. Modern analytical methods, such as X-ray …
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##tihuan2##Generally, the presence of fine slime showed a negative effect on flotation, i.e. as the mass proportion of fine slime increased, both flotation yield and kinetics decreased, while ash content increased, …
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##tihuan2##The coal slime samples from Qianjiaying Coking Coal Preparation Plant of Kailuan Mining Group were used in the experimental study on the effects of shearing strength in slurry conditioning on coal slime flotation.The raw coal slime,coarse coal slime with grain size greater than 0.074 mm and fine coal slime with grain size less than 0.074 mm were …
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##tihuan2##Zhang et al. [12] emulsify and micro-emulsify diesel using triethanolamine oleic acid soap, sodium lauryl sulfate, Tween 80, and Span 80 as surfactants, and used in coal slime flotation research. The results show that the slime flotation effect of micro-emulsified diesel oil is better than that of emulsified diesel oil and diesel oil.
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##tihuan2##The flotation has been successfully applied to process the iron ore for the particle size (Ps) from 10 µm up to 150 µm. The presence of the slimes (Ps < 10 µm) is harmful on the reverse flotation of quartz, so they are usually prior removed by hydrocyclones.
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##tihuan2##Amidoamine-based collectors are suitable candidates for developing efficient iron ore slime flotation processes. As reported in earlier studies, iron ore slimes are generally composed of other minerals in addition to iron oxides and quartz (Lima et al., 2020). Some slimes from the Iron Quadrangle in Brazil, for example, have considerable ...
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##tihuan2##Ash content is a key metric for assessing coal slime flotation performance. Traditional methods of sampling, combustion, and weighing lead to measurement delays, thus image-based real-time ash prediction during flotation has become meaningful. However, the complex characteristics of the multiphase system in flotation pulp images …
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##tihuan2##ABSTRACT. The effect of mass proportions of fine slime on the flotation performance of coal was investigated in the present study. Generally, the presence of fine slime showed a negative effect on …
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##tihuan2##PDF | On Jan 1, 2023, Wenbo Zhu and others published Ash Detection of Coal Slime Flotation Tailings Based on Chromatographic Filter Paper Sampling and Multi-Scale Residual Network | Find, read and ...
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##tihuan2##The feasibility of dephosphorization using the flotation process and its mechanism of high-phosphorus oolitic hematite were discussed in this paper. The results showed that phosphorus minerals mainly exist in the form of collophane, which can be divided into three types. Block collophane and band collophane could be effectively …
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##tihuan2##A significant number of flotation studies have demonstrated that as slime content increases, the flotation system undergoes sharp deterioration, primarily due to fundamental changes in the ...
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##tihuan2##The new flotation promoter (PGS) was synthesized with natural cottonseed oil and industrial by-products, and the new emulsified flotation agent (ZFC) for coal was prepared by 3% PGS promoter, 27% ...
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##tihuan2##A newly developed coal flotation collector EDO and its flotation characteristics for three Shanxi different coals were introduced in this paper. EDO was an emulsion composed by diesel oil, water ...
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##tihuan2##Processing of fine particles is very important for phosphate industry from economic and environmental aspects. This study addressed the processing of fine …
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##tihuan2##The new flotation promoter (PGS) was synthesized with natural cottonseed oil and industrial by-products, and the new emulsified flotation agent (ZFC) for coal was …
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##tihuan2##1. Introduction. Low-rank coal (LRC), characterized by a low coalification degree, constitutes approximately 50 % of the global coal reserves. Particularly, it is abundant in China, the Northern United States, Australia, India, and Turkey [1], [2].Because of the widespread application of mechanized mining and gravity separation technology, the …
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##tihuan2##Application Status of Common ing Agents. The ing agent commonly used in slime flotation belongs to surfactant, which is usually composed of …
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##tihuan2##The new flotation promoter (PGS) was synthesized with natural cottonseed oil and industrial by-products, and the new emulsified flotation agent (ZFC) for coal was prepared by 3% PGS promoter, 27% ...
WhatsApp: +86 18221755073
##tihuan2##ABSTRACT. The effect of mass proportions of fine slime on the flotation performance of coal was investigated in the present study. Generally, the presence of fine slime showed a negative effect on flotation, i.e. as the mass proportion of fine slime increased, both flotation yield and kinetics decreased, while ash content increased, …
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##tihuan2##In the flotation process of fine coal particle slime, tiny clay particles with high ash content enter the flotation concentrate in the form of mechanical entrainment, whereby the size of these ...
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##tihuan2##The evaluation of flotation reagents performs an important role in the selection and green application of reagents. The green indexes and effect indexes of flotation collectors were selected by data …
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##tihuan2##The flotation of slime–fine fractions of Mt. Keith pentlandite ore in de-ionised and saline water. Miner. Eng., 24 (2011), pp. 479-481. View PDF View article View in Scopus Google Scholar. Peng and Seaman, 2012. Y. Peng, D. Seaman. Effect of feed preparation on copper activation in flotation of Mt Keith pentlandite.
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##tihuan2##The ash composition of fresh slime was analyzed using XRD and ICP-AES. The results showed that HL coal slime had high ash content and difficult washability. Conventional flotation and floc-flotation tests of coarser fraction (0.500 − 0.125 mm) and finer fraction (−0.125 mm) were performed to investigate comprehensively the flotation …
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