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Jun Zhang, Shengdong Liu, Cai Yang and Juanjuan Li
The deformation and fracturing of coal rock is a crucial part of coal and rock dynamic disasters and is accompanied by variations in the electrical field of the rock. In this study, the self-potential characteristics of coal rock were measured to dynamic...
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Lingxiao Dong, Xiaole Huang, Jiyun Ren, Lei Deng and Yaodong Da
The coupled combustion of biomass and organic solid wastes including oil sludge has attracted much attention. Although the optimal mixing ratio of different coal types and biomass has been extensively studied, little attention has been paid to oil sludge...
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Sotirios Nik. Longinos, Azza Hashim Abbas, Arman Bolatov, Piotr Skrzypacz and Randy Hazlett
Research of microstructure and permeability evolution of coal following LN2 treatment elucidate the process of cryogenic fracturing due to environmentally friendly behavior in comparison with conventional hydraulic fracturing. The evolution of the 2D mic...
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Mmoloki Makoba, Daniel Erich Botha, Mpho Thabang Rapoo, László Zsolt Szabó, Thapelo Shomana, Paul Serban Agachi, Edison Muzenda
Pág. 80 - 96
Coal pyrolysis and gasification are promising options for the future of Botswana as the country has large coal reserves with severe limitations in terms of export options. Coal characterization facilities will be required in order to harness its full pot...
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Mark Nekhamin,Ihor Beztsennyi,Natalia Dunayevska,Volodimir Vyfatnuik
Pág. 48 - 53
The use of binary mixtures in TPP steam generators as fuels is caused by various reasons, such as improvement of ignition conditions and the possible environmental benefits of burning binary mixtures. Since the existing boilers of TPP were calculated for...
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Eliaser T. Nghishiyeleke, Vallentinus M. Kemba, Alexander M. S. Endunde, Melvin M. Mashingaidze
Coal-fired power plants utilising fluidised bed technologies emit copious amounts of fly-ash, which is harmful to people owing to its particulate nature. A planned 300 MW power plant will have an electrostatic precipitator (ESP) for fly-ash emission...
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This study presents the effects of equations of state (EOSs) on methane adsorption capacity, sorption hysteresis and initial gas reserves of a medium volatile bituminous coal. The sorption experiments were performed, at temperatures of 25 °C and 40 &...
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Ning Zhao, Dong Liu, Hui Du, Congcong Wang, Fushan Wen and Nan Shi
Two medium-low temperature coal tars (MLCTs) derived from the pyrolysis of low-grade bituminous coal were separated into 11 narrow fractions by true boiling distillation. The primary property and chemical composition analysis of MLCTs and their distillat...
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R. Ochoa, G. Grimaldo
Pág. Page 137 - 146
The world has developed different methodologies for the design of asphalt mixtures; each of which is intended to optimise and find the optimal combination of materials that allow them to be resistant under specific travel, climate and structural support ...
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Agnieszka Dudzinska, Natalia Howaniec and Adam Smolinski
Propylene and acetylene are released to mine air with the increase in the temperature of self-heating coal. Concentrations of these gases in mine air are applied as indicators of the progress of the self-heating process. Hydrocarbons emitted from the sel...
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