Results 1 to 10 of about 17,317 (245)

Mechanism study of the impact of Escherichia coli on coal flotation. [PDF]

open access: yesPLoS 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

Switching and optimizing control for coal flotation process based on a hybrid model. [PDF]

open access: yesPLoS 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

Study on carrier flotation of long flame coal

open access: yesMeitan 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   +1 more source

Optimization of flotation reagent system of coal slime based on uniform experimental design

open access: yes矿业科学学报, 2021
In order to study the influence of flotation reagent system on coal slime flotation, the coal slime of Shuiyu Coal Washing Plant is taken as the research object.Based on the uniform experimental design(UED)method, the mathematical model between flotation
Deng Zilin, Hou Ying
doaj   +1 more source

Upgrading of Steam Coal Slime Using High Intensity Conditioning Flotation

open access: yesKuangchan zonghe liyong, 2022
As a pretreatment technology of coal slime flotation, High Intensity Conditioning has a positive effect on the strengthening of flotation process. In this study, a series of slurry mixing and flotation tests were carried out on coal samples from Hulusu ...
Xu Liu   +4 more
doaj   +1 more source

Research into the process of preparation of Ukrainian coal by the oil aggregation method [PDF]

open access: yes, 2017
We conducted a study into concentration of Donetsk coal with varying degrees of coalification – anthracite and grade G – by the method of oil aggregation. We determined the character of impact of the following factors on the results of oil aggregation of
Biletskyi, V. S.   +8 more
core   +2 more sources

Influence mechanism of fatty acid unsaturation on the intensification of low-rank coal flotation

open access: yes工程科学学报, 2023
To study the effect of fatty acid unsaturation on low-rank coal flotation, oleic acid, linoleic acid, and linolenic acid with the same number of carbon atoms but an increasing number of double bonds were selected as flotation collectors and compared with
Meng-di XU   +7 more
doaj   +1 more source

Effect of ultrasonic standing waves on flotation bubbles

open access: yesUltrasonics Sonochemistry, 2021
Ultrasonic flotation was an effective method to float fine coal. In this study, the effects of the standing waves with different frequencies on ultrasonic flotation were investigated.
Lizhang Jin   +4 more
doaj   +1 more source

Effects of particle size on the flotation behavior of coal slime

open access: yesEnergy Exploration & Exploitation, 2023
In order to investigate the influence of particle size on the flotation behavior of coal slime, industrial analysis, elementary analysis, and particle size composition analysis were carried out on coal slime.
Tianshen Lu   +3 more
doaj   +1 more source

Experimental research on coal slime flotation process based on orthogonal test desig

open access: yesGong-kuang zidonghua, 2019
Coal slime content and ash content is high in Wangjiazhai Coal Preparation Plant, in -0.5 mm graded coal slime mixed flotation process, it often appeared coarse or fine mud entrainment phenomenon.
CHEN Peng   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy