Environmental indicators of the combustion of prospective coal water slurry containing petrochemicals

Margarita A. Dmitrienko, Galina S. Nyashina, Pavel A. Strizhak

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)148-159
Number of pages12
JournalJournal of Hazardous Materials
Volume338
DOIs
Publication statusPublished - 15 Sep 2017

Fingerprint

environmental indicator
Coal
Petrochemicals
slurry
combustion
coal
Water
Sulfur Oxides
coal processing
water
nitrogen oxides
Nitrogen oxides
Sulfur
liquid
Nitrogen
Coal dust
Research
petrochemical
Coal combustion
Liquids

Keywords

  • Anthropogenic emissions
  • Coal processing waste
  • Coal water slurry containing petrochemicals
  • Environmental aspects
  • Filter cakes

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

Environmental indicators of the combustion of prospective coal water slurry containing petrochemicals. / Dmitrienko, Margarita A.; Nyashina, Galina S.; Strizhak, Pavel A.

In: Journal of Hazardous Materials, Vol. 338, 15.09.2017, p. 148-159.

Research output: Contribution to journalArticle

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