Results 131 to 140 of about 3,295 (188)

Development of Xanthan Gum-Modified Coal-Fly-Ash-Based Cementitious Firefighting Materials with Improved High-Temperature Resistance for Coal Mines. [PDF]

Materials (Basel)
Dou G, Chen P, Wang M, Wang J, Zhong X, Wei S.   +5 more
europepmc   +1 more source

Research on key technologies of thick slurry filling chamber method for earth pressure balance shield in karst areas. [PDF]

Sci Rep
Huang K, Liu P, Chen X, Sun Y, Qian X, Luo Z, Xing K, Huang B.   +7 more
europepmc   +1 more source

Oxidation Behavior of Direct Reduced Iron Powder During Ball-Milling Treatment. [PDF]

Materials (Basel)
Liu Q, Liang Z, Zhang C, Fu X, Yi L, Huang Z, Li J, Chen J.   +7 more
europepmc   +1 more source

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Study on the pyrolysis behavior of coal-water slurry and coal-oil-water slurry

Journal of the Energy Institute, 2022
Abstract In this work, different concentrations of coal-water slurry and coal-oil-water slurry were prepared and pyrolyzed at various temperatures of 800–1000 °C. The chemical characteristics and combustion reactivities of chars and the formation mechanism of main gas components of CO, CO2, CH4, and H2 were investigated. With the water content of the
Gan Wan, Lushi Sun
exaly   +2 more sources

Viscometry and rheology of coal water slurry

Fuel, 1986
Abstract This paper presents the results of a detailed experimental study on rheological behaviour of coal water slurry (CWS). In contrast to earlier rheological studies at shear rates of rather narrow ranges, this study covered a much wider range of shear rates: 0–800 s −1 in a rotational viscometer and 400–10000 s −1 in a capillary viscometer ...
Shirley C Tsai
exaly   +2 more sources

The influence of pre-absorbing water in coal on the viscosity of coal water slurry

Fuel, 2016
Abstract Coal water slurry (CWS) with high solid content and low viscosity can allow for efficient and environmentally friendly gasification. In the process of CWS preparation, water will enter pores of coal particle to form inner water, resulting in a decrease in free water among particles and an increase in viscosity.
Wei-Feng Li, Jianliang Xu, Haifeng Liu   +2 more
exaly   +2 more sources

Blended coals for improved coal water slurries

Journal of China University of Mining and Technology, 2008
Three coal samples of different ranks were used to study the effect of coal blending on the preparation of Coal Water Slurry (CWS). The results show that by taking advantage of two kinds of coal, the coal concentration in slurry made from hard-to-pulp coal can be effectively improved and increased by 3%–5% generally.
Tian-ye GU, Guo-guang WU, Qi-hui LI, Zhi-qiang SUN, Fang ZENG, Guang-you WANG, Xian-liang MENG   +6 more
openaire   +1 more source

Rheology of coal-water slurries

Solid Fuel Chemistry, 2009
The costs of preparation and burning of coal slurries, in particular, coal-water fuel (CWF), considerably exceed the cost of coal utilization according to the conventional technology. CWF technology projects suggest that additional expenditures will be compensated for by the profitability of their pipeline transport in the laminar regime.
N. I. Red’kina, G. S. Khodakov, E. G. Gorlov   +2 more
openaire   +1 more source