Combustion Characteristics of Municipal Solid Waste in a Grate-Fired Solid-Fuel Hot Water Boiler

Dias Raybekovich Umyshev (), Andrey Anatoliyevich Kibarin, Aiganym Bulatkyzy Seidaliyeva, Dilshat Ozatuly Iskakov, Yeldos Lesbekovich Zhekenov, Ilyas Kermyly Jambayev and Madina Maratovna Umysheva
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Dias Raybekovich Umyshev: Power Engineering Department, Institute of Energy and Mechanical Engineering Named After A. Burkitbayev, Satbayev University, Satbayev Str. 22, Almaty 050013, Kazakhstan
Andrey Anatoliyevich Kibarin: Department of Thermal Engineering, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Baitursynuly Street 126/1, Almaty 050013, Kazakhstan
Aiganym Bulatkyzy Seidaliyeva: Department of Thermal Engineering, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Baitursynuly Street 126/1, Almaty 050013, Kazakhstan
Dilshat Ozatuly Iskakov: Department of Thermal Engineering, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Baitursynuly Street 126/1, Almaty 050013, Kazakhstan
Yeldos Lesbekovich Zhekenov: Department of Thermal Engineering, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Baitursynuly Street 126/1, Almaty 050013, Kazakhstan
Ilyas Kermyly Jambayev: Department of Thermal Engineering, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Baitursynuly Street 126/1, Almaty 050013, Kazakhstan
Madina Maratovna Umysheva: Department of Thermal Engineering, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Baitursynuly Street 126/1, Almaty 050013, Kazakhstan

Energies, 2025, vol. 18, issue 12, 1-16

Abstract: Currently, ecological energy production is one of the most pressing issues in power engineering. In addition, environmental pollution caused by various emissions and the challenge of waste disposal remain significant global concerns. One potential solution to these problems is the conversion of waste into useful energy through combustion. In this study, experimental investigations were carried out on the combustion of municipal solid waste (MSW) in a grate furnace of a 400 kW hot water boiler. The experiments included the combustion of both MSW and traditional brown coal. Data were collected on the concentrations of various substances in the exhaust gases, and thermal imaging was performed to assess heat losses from the boiler surface. When burning waste compared to coal, SO 2 concentrations were significantly lower, ranging from 3.43 to 4.3 ppm, whereas for coal they reached up to 122 ppm. NO X concentrations during MSW combustion peaked at 106 ppm, while for coal combustion they reached 67.5 ppm. A notable increase in CO concentration was observed during the initial phase of coal combustion, with levels reaching up to 2510 ppm. The thermal efficiency of the boiler plant reached 84.4% when burning waste and 87% when burning brown coal.

Keywords: boiler; MSW; coal; NOx; waste combustion; emissions (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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