Results 11 to 20 of about 3,122 (246)
Mechanism study of the impact of Escherichia coli on coal flotation. [PDF]
PLoS ONE, 2022 Escherichia coli as water-borne bacteria exists in the recirculation water of coal flotation and affects the recovery of coal flotation. In order to study the effect of Escherichia coli on coal flotation, we changed the concentration of Escherichia coli ...
Jianbo Li +5 more
doaj +2 more sources
Study on carrier flotation of long flame coal [PDF]
Meitan kexue jishu, 2023 In order to improve the flotation effect of long flame coal and the utilization rate of low rank coal, the mechanism of long flame coal by carrier flotation was revealed.
Pengyue GENG
doaj +2 more sources
Switching and optimizing control for coal flotation process based on a hybrid model. [PDF]
PLoS ONE, 2017 Flotation is an important part of coal preparation, and the flotation column is widely applied as efficient flotation equipment. This process is complex and affected by many factors, with the froth depth and reagent dosage being two of the most important
Zhiyong Dong +3 more
doaj +2 more sources
Flotation performance analysis on coal washery rejects
Energy Geoscience, 2021 The coal washery rejects cause major environmental problems in various parts of the globe. Nearly 1 Mt of coal rejects discarded as waste, is accumulated per annum in India, during washing or cleaning of raw coal.
P.S. Kumar +3 more
doaj +2 more sources
Flotation kinetics of coal in the Inflatable Cyclonic Flotation Column
Powder Technology, 2018 This paper mainly investigates the flotation kinetics of coal in the flotation column. The flotation tests were carried out in the Inflatable Cyclonic Flotation Column (ICFC) which consists of two parts, i.e., the inflatable flotation unit and the ...
Fu, Xiaoqing +6 more
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Coal cleaning by froth flotation
, 1983 A number of experiments were conducted to determine the flotation characteristics of Iowa coals in which various conditions were applied to study the effect of different parameters such as frother dosage, oily collectors, pyrite depressants, and various ...
Han, Choon
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Reverse flotation of taixi oxidized coal
Energy & Fuels, 2013 X-ray photoelectron spectroscopy (XPS) was used to indicate the chemical properties of Taixi oxidized coal. The results of XPS analysis showed that Taixi oxidized coal contained many oxygen functional groups.
Yang, Jianguo, Xia, Wencheng
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Analysis of coal wettability by inverse gas chromatography and its guidance for coal flotation
Fuel, 2018 In coal flotation, the hydrophobicity of fine coal is a crucial factor that affects coal flotation recovery and performance. How to accurately characterize the surface hydrophobicity of coal becomes a research hot spot in coal science.
Chenkai Niu, Wencheng Xia
exaly +2 more sources
Investigation of mechanism of ultrasound on coal flotation
International Journal of Mineral Processing, 2006 Coal flotation studies were carried out in ultrasonically assisted flotation cells. Representative bard coal slime samples from Prosper-Haniel Coal Preparation Plant located in Bottrop, Ruhr Region of Germany were used for this purpose.
Safak Gokhan Özkan
exaly +2 more sources
Removal of Pyrite in Coal Flotation
Mineral Processing and Extractive Metallurgy Review, 1992 In most operating coal-cleaning plants, a significant amount of pyrite is recovered in the I roth during flotation of high-sulfur coal. Reducing the pyrite recovery first requires that the primary recovery mechanism should be identified, as different ...
Kawatra, S. K., Eisele, T. C.
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