Gospodarka Surowcami Mineralnymi - Mineral Resources Management

Maciejończyk, Natalia; Bielowicz, Barbara

doi:10.24425/gsm.2019.128517

2019

DOI: 10.24425/gsm.2019.128517

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Gospodarka Surowcami Mineralnymi - Mineral Resources Management

Natalia Maciejończyk

Barbara Bielowicz

Abstract: Petrographic composition of char from the gasification of coal from the wieczorek mine after combustion introductionGasification is a modern coal processing technology that can be used to replace direct coal combustion with cleaner energy. Gasification enables more environmentally friendly energy generation and is a very flexible technology in terms of the fuels used (Higman and van der Burgt 2008).

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2020

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Petrographic Characteristics of Coal Gasification and Combustion by-Products from High Volatile Bituminous Coal

Bielowicz

2020

Energies

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The coal was gasified in a fluidized bed reactor with CO2 as a gasifying agent at 889–980 °C. The coal and gasification residue produced during gasification was burned at temperatures up to 900 °C. The petrographic analysis, gasification residues, and fly and bottom ash resulting from the combustion of coal and chars showed the efficiency of the gasification and combustion processes. The gasification residue primarily comprised inertoids and crassinetwork, which accounted for 60% of the sample. The analysis of the petrographic composition of fly ash revealed that the fly ash formed during the combustion of gasification residue had a higher mineral content. The fly ash from the combustion of gasification products contained significantly less unburned coal compared to that from coal. The samples of the bottom ash from coal combustion were composed of approximately 25% organic matter, most of which was chars. The bottom ash formed from the combustion of coal gasification products was composed mainly of mineral matter (95% or higher). The obtained results have significant implications in determining future waste management strategies.

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Petrographic Characteristics of Coal Gasification and Combustion by-Products from High Volatile Bituminous Coal

Bielowicz

2020

Energies

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Gospodarka Surowcami Mineralnymi - Mineral Resources Management

Cited by 1 publication

References 20 publications

Petrographic Characteristics of Coal Gasification and Combustion by-Products from High Volatile Bituminous Coal

Petrographic Characteristics of Coal Gasification and Combustion by-Products from High Volatile Bituminous Coal

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