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Erschienen in:
2018 | OriginalPaper | Buchkapitel
33. Chemometric Exploration of the Data Concerning Gases Emitted from Burning Mine Waste Dump
verfasst von : Adam Smoliński, Natalia Howaniec, Patrycja Kuna-Gwoździewicz
Erschienen in: The Role of Exergy in Energy and the Environment
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Abstract
The waste generated in coal extraction and processing is a mixture of rocks and carbon, not recovered in the processing and enrichment of the extracted material. The majority of coal waste is either disposed at waste facilities or given to recovery through the formation of earthworks, leveling the ground, civil engineering, or filling of subsidence. The most significant environmental threat related to mine waste deposition is the possibility of self-ignition. Fires occurring at coal waste heaps may proceed for long periods, entailing serious hazards to the environment and public health, mainly because of the high temperature (up to 1000 °C), emissions of noxious gases (CO2, PAHs, SOx, NOx, etc.), dust, and odors. In the paper the principal component analysis was applied in an exploration of the experimental data on polycyclic aromatic hydrocarbon concentrations in the exhaust gases from combustion of mine waste dump samples simulated in the fixed-bed reactor.