Results 101 to 110 of about 5,565,146 (221)

Structural evolution of coal sludge filter cake and optimization mechanism of combined chemicals in the process of filtration pressing

Meitan xuebao
The structure of coal sludge filter cake has an important influence on the dewatering effect. In this study, the characteristics of the filter cake structure and its evolution law in the process of filter press dewatering were investigated by using the ...
Xiaomin MA, Xiaosong SUN, Xianshu DONG, Yuping FAN, Ming CHANG   +4 more
doaj   +1 more source

Improving the steric hindrance effect of linear sulfonated acetone-formaldehyde dispersant and its performance in coal-water slurry. [PDF]

RSC Adv, 2022
Shuai W, Wang S, Sun T, Yin H, Zu Y, Yao G, Li Z, Qi Z, Zhong M.   +8 more
europepmc   +1 more source

Site tracing experiment on the diffusion range of regional grouting renovation under the coal seam floor aquifer

Meitan xuebao
In recent years, to liberate coal resources from high pressure limestone water on the coal seam floor, North China Coalfields have generally adopted surface directional drilling technology to carry out regional grouting reinforcement and transformation ...
Yan GUO, Herong GUI, Huang HONG, Yongqing CHEN, Xiaoyu SUN, Rongjie HU, Xiangdong GUO, Qun ZHAO, Yanan DAI, Hao YU, Jun LI, Liang SUN, Chuan GAO   +12 more
doaj   +1 more source

Synthesis of a novel amphoteric copolymer and its application as a dispersant for coal water slurry preparation. [PDF]

R Soc Open Sci, 2021
Du L, Zhang G, Yang D, Luo J, Liu Y, Zhang W, Zhang C, Li J, Zhu J.   +8 more
europepmc   +1 more source

Mechanisms of Effective Coal Water Slurry Atomization

, 1983
The atomization behavior of additive free coal-water slurry (CWS) of 65 percent by weight coal content is investigated and compared with water atomization.
Sommer, Holger T.; Matsuzaki, Tasushi
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Properties of direct coal liquefaction residue water slurry: Effect of treatment by low temperature pyrolysis

, 2016
Properties of direct coal liquefaction residue water slurry: Effect of treatment by low temperature ...
Yuchi Wei (13799714), Zongqing Bai (8596275), Junli Xu (450935), Wen Li (143214), Dongmei Lv (6261206), Jin Bai (283823), Zhenxing Guo (9944165), Xiao Li (107004), Lingxue Kong (13081401)   +8 more
core  

Coal Slurry Pipeline [PDF]

, 1975
Coal Slurry ...
Mansfield, Mike, 1903-2001
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Preparation of Coal-Water Slurry Using a High-Speed Mixer-Disperser

Is know, that water-coal slurry is used as fuel. Burning coal in a coal-water slurry has a number of economic, environmental and operational benefits compared to pulverized and especially bed ...
Baroniņš, Jānis, Polyakov, A., Mironovs, Viktors, Korjakins, Aleksandrs, Šiškins, Andrejs   +4 more
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Dynamic characterization of water hammer in gangue fly ash slurry pipelines during valve closure

Scientific Reports
In the process of coal-filling mining, the gangue fly-ash slurry (GFS) needs to be transported over a long distance to reach the gobs. The abrupt closure of the valve during the transportation of GFS can result in a water hammer that significantly ...
Yuxin Hao, Xuepeng Song, Chengshuai Wang, Bowen Fan, Kai Yang   +4 more
doaj   +1 more source

Slurry pumping techniques for feeding high-pressure coal gasification reactors [PDF]

, 1977
Operating experience in pumping coal and coal char slurries at pressures up to 1500 psig is discussed. The design specifications for the mixing tanks, pumps, piping, and slurry heaters are given along with pressure drop and minimum flow velocity data on ...
Tarman, P. B., Bair, W. G.
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