DEFINITIONS OF A RATIONAL INDICATOR OF HUMIDITY AT COMBUSTION OF MUNICIPAL SOLID WASTE

Autor: О. Tverda, M. Repin, Т. Hrebeniuk
Rok vydání: 2020
Předmět:
Zdroj: POWER ENGINEERING: economics, technique, ecology; № 4 (2019); 134-141
Науковий журнал «Енергетика: економіка, технології, екологія»; № 4 (2019); 134-141
ISSN: 2308-7382
1813-5420
DOI: 10.20535/1813-5420.4.2019.200517
Popis: The article deals with the current issue of solid waste management for today and emphasizes that heat treatment is the most effective method of waste reduction. Under the heat treatment, the combustion process is considered. The impact of pollutants released during the incineration of household waste is reviewed. It is revealed that a number of certain parameters are taken into account while planning the process of incineration of a mixture of solid waste. Such as technology that will dispose of debris, morphological composition, the need for pre-treatment (sorting, grinding), the aggregate state of waste, fractional composition, heat of combustion of waste, etc. Equally important is the humidity of the waste to be recovered through incineration. Humidity is the amount of water absorbed into the material in the form of steam or liquid. It can be expressed in two separate ways, as a percentage of the wet weight of the sample or as a percentage of the dry weight of the sample. Therefore, this paper focuses on such an important parameter when burning solid waste as humidity, and presents typical humidity data. The analysis of the concentration of basic chemical compounds during the incineration of municipal solid waste, depending on the degree of their humidity was done. The acceptable waste incineration humidity is calculated, with minimum emissions. Microsoft Excel and MathCad software were used to simplify the calculation. Real values of humidity and emission concentration were used in the determination. The transformations, ratios and calculations determine the dependencies for each emission were established. Using the factors that take into account the hazard class of the substances and adding all the values, the minimum emission value and the humidity at which this value is observed were found. A calculation algorithm has been developed to determine the amount of emissions that will be generated by burning a specific mixture of solid waste.
Databáze: OpenAIRE
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