Interpretation of interaction effects and optimization of reagent
Interpretation of interaction effects and optimization of reagent dosages for fine coal flotation - ScienceDirect Article preview Abstract Introduction Section snippets …Web
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Interpretation of interaction effects and optimization of reagent dosages for fine coal flotation - ScienceDirect Article preview Abstract Introduction Section snippets …Web
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DOI: 10.1016/S0301-7516(03)00034-6 Corpus ID: 97678281; THE EFFECT OF REAGENTS AND REAGENT MIXTURES ON FROTH FLOTATION OF COAL FINES @article{Erol2003THEEO, title={THE EFFECT OF REAGENTS AND REAGENT MIXTURES ON FROTH FLOTATION OF COAL FINES}, author={Murat Erol and …Web
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The attainment of the coal slurry ash detector provides the novel method to resolve the problems above. This paper studies how to increase the production capacity and decrease the reagent consumption through the optimization control under the premise of the …Web
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DOI: 10.1016/S0301-7516(00)00022-3 Corpus ID: 96170999; Distribution of reagents down a flotation bank to improve the recovery of coarse particles @article{Bazin2001DistributionOR, title={Distribution of reagents down a flotation bank to improve the recovery of coarse particles}, author={Claude Bazin and M{'e}lanie Proulx}, …Web
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This paper proposes a new method of switching and optimizing control for the coal flotation process. A hybrid model is built and evaluated using industrial data. First, …Web
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Introduction. Natural gas is the cleanest primary fossil fuel. It produces less CO 2, NO x, SO x, and particulates emissions when burned to produce energy compared to other traditional fossil fuels such as, oil and coal (Washington, 1999).In 2012, it was used and consumed globally to generate electricity by 24% relative to the other energy …Web
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Efficient coal concentration using a short-chain amine-type compound as collector reagent: Flotation and optimization studies January 2023 Indian Journal of Chemical Technology 30(1):103-110Web
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Coal fly ash, commonly produced from thermal power plants, is not only an industrial waste but an aluminum-rich resource that needs to be disposed of properly. This study aims to extract aluminum from coal fly ash using pressurized sulfuric acid (H2SO4) leaching and to investigate the dissolution mechanism during the leaching process. The …Web
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Raw coal contains a large number of microorganisms, generally 104-105cells/ml in coalbed [12,13]. In flotation plants, the usage of circulation water accumulates kinds of inorganic ions and some organic reagents [6,14,15], which provides vital conditions for the growth of microorganisms.Web
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The present review paper summarizes the up-to-date research advancements made in the use of mixed reagent systems to improve the separation efficiency of …Web
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optimization of a coal slurry grinding process. This involved simultaneous maximization of fineness and minimization of energy and viscosity of the grinding process subject to constraint ...Web
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Optimization of reagent dosages for copper flotation using statistical technique Y. VAZIFEH1, E. JORJANI1, A. BAGHERIAN2 1. ... The results show that of coal flotation ü A prelude to process optimization[C]//IX the distribution of (32%, 32%, 20%, 16%) can produce International Coal Preparation Congress. ...Web
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The dosage variation optimization studies were carried out extensively and the main outcome of the tests are highlighted here at comparable ranges of yield and ash content of the concentrates. ... the developed single reagent for coal flotation paves the way to a sustainable and environmentally friendly solution to the coal washeries in ...Web
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Also reagent optimization can reduce reagent costs for the rougher, scavenger and cleaner flotation units. Reagents were optimized in the flotation of hot floats from the plant at laboratory scale.Web
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Fine coal (− 0.5 mm) is treated in a flotation circuit at Bhelatand washery of Tata Steel. The average ash content of the flotation feed, the fine clean coal, and the tailings of the flotation circuit are 18.5%, 12.5%, and 36%, respectively. The yield of clean coal from the flotation circuit is about 72%. However, the performance of the circuit in terms of clean coal yield …Web
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Coal is China's largest proven reserves of primary energy and it reliably guarantees the life and economic development of our residents (Gao et al. 2020; Su et al. 2020). ... The simultaneous optimization of multiple parameters was conducted to obtain the optimal operating conditions and the significance order of the parameters.Web
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This paper proposes a new method of switching and optimizing control for the coal flotation process. A hybrid model is built …Web
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Journal Article: Principles for the development of automatic optimization of the basic processes of coal cleaningWeb
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offs in optimization of coal-fired boiler and selective catalyst reaction (SCR) system, to balance the unit thermal efficiency, SCR reagent consumption and NO x emissions. Field tests were performed at a 160 MW coal-fired unit to investigate the relationships between process controllable variables, and optimization targets and constraints.Web
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The mixed collector can improve low rank coal flotation efficiency, but its synergistic mechanism needs to be further explored. In this paper, oleic acid-dodecane (OA-D), oleic acid (OA), and dodecane (D) were employed to treat the low rank coal for revealing new synergistic mechanism of the mixed collector. First the surface free energy of the …Web
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Coal fly ash (CFA) is a byproduct of thermal power plant and collected from flue gases by separator. Composition of CFA depends on the type of coal used and it has both crystalline and amorphous character. It is considered to be an environmental pollutant and used in number of areas. CFA is a useful material and widely used in cement …Web
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Vapur et al. reported that the coal ash content was decreased from 33.4% to 17.9% with a combustible recovery of 95%, as the coal flotation parameters optimized for particles size, pulp density, the dosage of reagents and …Web
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Design Optimization of Concentrated Solar Power and Waste to Energy Power Plants. For CSP and WTE plants, it is possible to extend the thermodynamic considerations made for coal-fired steam cycles. Their efficiency benefits from regenerators, high superheat temperatures, and high evaporation pressures.Web
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Several studies on coal flotation using different surfactants having different HLB values suggested the suitable properties of reagents, which are the key to enhancing both the …Web
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All reagents were used as received without further purification. In addition, coal samples were acquired from the Long'yun coal mine located in Yuncheng County, Shandong Province. The particle size distributions of the coal samples were measured using a Malvin laser particle size analyzer (MS3000, Panalytical, Britain) as shown in Fig. 1.Web
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The parameters of jet mixing devices have an important influence on the mixing process, particle movement and interface regulation. At present, jet mixing devices are widely used in the coal slime flotation field, and their variable parameters lack systematic optimization. In this paper, the performance of reagent mixing and the …Web
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This study has prepared a sustainable and efficient ceramsite substrate for phosphorus immobilization in constructed wetlands by adopting coal fly ash (CFA) and waterworks sludge (WS) as the main materials, and oyster shell (OS) as the additive. The optimal parameters for CFA/WS/OS ceramsite preparation were determined as follows: …Web
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China is the largest coal consumer around the world, and coal accounts for more than 60% of the country's energy mix (Peng et al. 2018; Wang et al. 2019).Coal fly ash (CFA), a solid waste produced by coal-fired thermal power plants during the combustion of pulverized coal, is currently one of the largest solid wastes in China (Yao et al. 2015).In …Web
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This paper studies how to increase the production capacity and decrease the reagent consumption through the optimization control under the premise of the accepted concentrate ash content. The application of the optimal control of Coal Flotation indicates a high concentrate recovery and a decrease of the reagent consumption to ensure a highly ...Web
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Hence, two-stage reagent distribution, with extra amount of reagent in the second stage, was studied in the laboratory. Results of laboratory-scale studies showed an improvement in yield of clean coal of 10–12% with a marginal increase of …Web
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Request PDF | Optimization of Reagents Distribution Down a Coal Flotation Bank to Improve the Recovery of Coarser Particles | Fine coal (− 0.5 mm) is treated in a flotation circuit at Bhelatand ...Web
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The flotation results have been obtained with 1-butylamine (coal yield: ) and compared with those achieved with a quaternary amine (PDF) Efficient coal concentration using a short-chain amine-type compound as collector reagent: Flotation and optimization studies | Javier Ernesto Vilaso Cadre and Iván Reyes-Domínguez - Academia.eduWeb
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1 CrossRef citations to date Listen Original Articles Optimization of Reagents Distribution Down a Coal Flotation Bank to Improve the Recovery of Coarser …Web
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Abstract The properties of fine coal slurries at OOO MMK-Ugol and their flotation are studied. To improve the flotation of finely disperse coal slurries, more effective reagent combinations are employed; TPA collection agent and Sinterol flocculant are considered. In the laboratory, optimal flotation conditions are developed for fine coal …Web
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The effect of three most important reagents for coal flotation namely sodium meta silicate, collector (kerosene) and frother (MIBC) was studied using 2 3 full factorial design. The regression models were developed using factorial experiment data to quantify the effect of sodium meta silicate, collector and frother and to predict grade and recovery …Web
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Considering the influence of reagent adjustment in different flotation bank on the final production index and the difficulty of establishing an effective mathematical model, a coordinated optimization method for dosage reagent based on key characteristics variation tendency and case-based reasoning is proposed. On the basis of the expert reagent …Web
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Abstract. Coal flotation is a complex process involving several phases (particles, oil droplets and air bubbles). These phases simultaneously interact with each other and with other species such as the molecules of a promoting reagent and dissolved ions in water. The physical and chemical interactions determine the outcome of the …Web
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Naik, Reddy, and Misra (2005) studied the effect of three most important reagents for coal flotation, namely sodium meta silicate (regulator), kerosene (collector) and methyl isobutyl carbinol ...Web
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