Welcome to our AMC CRUSHER!

  • icon-facebook
  • icon-twitter
  • icon-google
  • icon-linkedin

coal flotation improving

  • Improving Coal Flotation by Gaseous Collector …

    2019-8-9 · Improving Coal Flotation by Gaseous Collector Pretreatment Method and its Potential Application in Preparing Coal Water Slurry Liang Shen *, Fanfei Min *, Lingyun Liu, Changguo Xue and Jinbo Zhu College of Material Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China

  • Improve Coal Flotation Rate and Recovery

    2018-9-21 · Table of ContentsFroth Flotation TechniquesExperimentalResults and Discussion A unique collector dispersion techniques was developed and used …

  • Improving the Flotation of Fine Coal Slurries | SpringerLink

    2020-8-30 · 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 slurries. In these conditions, …

  • Enhancement of Flotation Performance of Oxidized Coal …

    2021-11-16 · Conventional hydrocarbon oil cannot adhere effectively to oxidized coal, resulting in a low yield of clean coal. In this study, a high-speed homogenizer was used to emulsify LDD (laurylamine dipropylene diamine) and kerosene, which enhanced the flotation efficiency of oxidized coal. The flotation results showed an increase from 4.12% (only kerosene) to 23.33% …

  • Improving oxidized coal flotation by colloid mill ...

    2017-3-8 · (2017). Improving oxidized coal flotation by colloid mill pretreatments. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects: Vol. 39, No. 7, pp ...

  • Micro-mechanism of improving low-rank coal flotation by ...

    2021-4-28 · The flotation results showed that an increased low-rank coal flotation response can be obtained by using an octanoic acid collector compared to a nonpolar dodecane collector. To obtain a molecular-level explanation of this phenomenon, a method of density functional theory (DFT) combined with molecular dynamics simulation was employed to explore the involved …

  • 2017-8-17 · [1] Kaiyi Shi, Jun Wang, Shiwei Wang, et al. Improving the flotation performance of coking coal using the reverse-direct flotation process, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects,2018, 40(23), 2886-2894 SCI

  • Improvement of Low‐Rank Coal Flotation Based on the ...

    2021-1-10 · The main reason for low separation efficiency in low rank coal (LRC) flotation was the small wettability difference between organic matter and gangue. To improve LRC flotation response, a new method based on the expansion of wettability difference was …

  • Improve Coal Flotation Rate and Recovery

    2018-9-21 · Table of ContentsFroth Flotation TechniquesExperimentalResults and Discussion A unique collector dispersion techniques was developed and used to improve the flotation rate and recovery of coarser and ultrafine coal-rich …

  • An effective approach for improving flotation recovery of ...

    2018-6-25 · conventional flotation responds to poor collection efficiency for particles less than 25 μm. Oil agglomerate flotation (OAF) process demonstrates an obvious superiority in improving the flotation recovery of molybdenite fines. Furthermore, the flotation results of OAF

  • (PDF) Improving Coal Flotation by Gaseous Collector ...

    2019-8-1 · In order to improve the flotation performance of low-rank coal, a great deal of research has been carried out in recent years [3, 12,14,[16][17][18]. In …

  • Carrier Flotation of Low-Rank Coal with Polystyrene

    2020-4-1 · The problem of low-rank coal flotation continues to be a challenge due to the poor hydrophobicity and abundant oxygenated functional groups on particle surfaces. In this study, carrier flotation was used to improve the flotation performance of low-rank coal with polystyrene as a carrier material. Kerosene was used as a collector and played a role in the adhesion of …

  • Understanding and improving the flotation of coals with ...

    2017-11-1 · 2.2. Flotation tests. Coal flotation was conducted in a 1.5 dm 3 JK batch flotation cell using de-ionised water. For each test, 100 g dry coal sample was added into 0.7 dm 3 water and stirred for 3 min at an agitation speed of 1200 rpm to achieve the sufficient dispersion of coal particles. Then the slurry was topped up to 1.5 dm 3 by adding extra water and the agitation …

  • Improving the flotation performance of an oxidized ...

    2019-10-1 · Improving coal flotation using the mixture of candle soot and hydrocarbon oil as a novel flotation collector J. Cleaner Prod., 195 ( 2018 ), pp. 1183 - 1189, 10.1016/j.jclepro.2018.06.020 Article Download PDF View Record in Scopus Google Scholar

  • StackcelltM Flotation

    2016-3-24 · machine. a machine that is capable of delivering column-like performance, while also improving upon some of the design and operational challenges associated with column flotation. Based on experience gained over the last decade with the design, engineering, and operation of coal flotation circuits, eriez

  • Improving the Flotation of Fine Coal Slurries

    Download Citation | On May 1, 2020, V. N. Petukhov and others published Improving the Flotation of Fine Coal Slurries | Find, read and cite all the research you need on ResearchGate

  • Processes | Free Full-Text | Improving Coal Flotation by ...

    Low-rank coal is difficult to upgrade using conventional flotation methods due to its high hydrophilic properties. Thus, it is necessary to explore new methods for upgrading and utilizing low-rank coal. In this investigation, a gaseous dodecane pretreatment method was used to enhance the flotation performance of low-rank coal. Pore distribution analysis, FTIR (Fourier …

  • Improving coal flotation recovery using computational ...

    2009-6-15 · @misc{etde_21233620, title = {Improving coal flotation recovery using computational fluid dynamics} author = {Koh, Peter} abstractNote = {This work involves using the latest advances in computational fluid dynamics (CFD) to increase understanding of the hydrodynamics in coal flotation and to identify any opportunities to improve design and operation of both the …

  • --() ...

    2019-11-11 · ( 2 ) Gen Huang*, Hongxiang Xu, Liqiang Ma, Lun Wu, Improving Coal Flotation by Classified Conditioning[J], International Journal of Coal Preparation and Utilization, 2018,38(7):361-373 (SCI) ( 3 ) Gen Huang*, Changchun Zhou, Jiongtian Liu, Effects of different factors during the de-silication of diaspore by direct flotation, International Journal of …

  • Improving Oxidized Coal Flotation Using Biodiesel as a ...

    Xia et al. (2013a) found that biodiesel containing abundant unsaturated fatty acids was better at improving the flotation of oxidized coal than conventional diesel. Atesok and Celik (2000 ...

  • Safer Frother Option for Coal Flotation – A Review

    2019-3-25 · oxidized or low rank coal deposits economically viable using flotation and improving recovery can make significant profit for coal industry. 2 Froth Flotation . Froth flotation uses the difference in hydrophobicity of mineralsurfaces to separate valuable minerals from gangue minerals using air bubbles.

  • Micro-mechanism of improving low-rank coal flotation by ...

    2021-8-5 · Improving the adsorption of oily collector on the surface of low-rank coal during flotation using a cationic surfactant: an experimental and molecular dynamics simulation study Fuel, 235 ( 2019 ), pp. 687 - 695

  • Modeling of fine coal flotation separation based on ...

    2016-10-21 · Flotation is a complex multifaceted process that is widely used for the separation of finely ground minerals. The theory of froth flotation is complex and is not completely understood. This fact has been brought many monitoring challenges in a coal processing plant. To solve those challenges, it is important to understand the effect of different parameters on the fine particle …

  • Coal flotation improvement through hydrophobic ...

    2016-10-22 · However, it is rarely used in coal flotation process. In this research, the flotation of coal with the addition of PEO was investigated. It was found that PEO could worsen the flotation performance if it was used solely. In the presence of sodium hexametaphosphate, however, PEO could improve flotation performance significantly.

  • Improving Oxidized Coal Flotation Using Biodiesel as a ...

    2013-3-1 · (2013). Improving Oxidized Coal Flotation Using Biodiesel as a Collector. International Journal of Coal Preparation and Utilization: Vol. 33, No. 4, pp. 181-187.

  • Improving coal flotation using the mixture of candle soot an…

    2018-9-10 · In flotation, fine coal particles (<0.5 mm) are separated using flotation machine. In general, coal has a natural hydrophobicity degree, but this degree is not enough for effective flotation of coal and then hydrocarbon oil such as diesel and kerosene as collectors are usually needed to further improve the floatability of coal particle.

Copyright © 2021. AMC CRUSHER All rights reserved. sitemap

gotop