期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 338, 期 -, 页码 148-159出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2017.05.031
关键词
Coal processing waste; Filter cakes; Coal water slurry containing; petrochemicals; Environmental aspects; Anthropogenic emissions
资金
- Russian Science Foundation [15-19-10003]
- Russian Science Foundation [15-19-10003] Funding Source: Russian Science Foundation
Negative environmental impact of coal combustion has been known to humankind for a fairly long time. Sulfur and nitrogen oxides are considered the most dangerous anthropogenic emissions. A possible solution to this problem is replacing coal dust combustion with that of coal water slurry containing petrochemicals (CWSP). Coal processing wastes and used combustible liquids (oils, sludge, resins) are promising in terms of their economic and energy yield characteristics. However, no research has yet been conducted on the environmental indicators of fuels based on CWSP. The present work contains the findings of the research of CO, CO2, NOx, SOx emissions from the combustion of coals and CWSPs produced from coal processing waste (filter cakes). It is demonstrated for the first time that the concentrations of dangerous emissions from the combustion of CWSPs (carbon oxide and dioxide), even when combustible heavy liquid fractions are added, are not worse than those of coal. As for the concentration of sulfur and nitrogen oxides, it is significantly lower for CWSPs combustion as compared to coals. The presented research findings illustrate the prospects of the wide use of CWSPs as a fuel that is cheap and beneficial, in terms of both energy output and ecology, as compared to coal. (C) 2017 Elsevier B.V. All rights reserved.
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