Pollutant Emissions from Municipal Biowaste Composting: Comparative Analysis and Contribution of N-Containing Organic Compounds

Mironov, V.; Zhukov, V.; Moldon, I.; Zagustina, N.; Shchelushkina, A.; Ostrikova, V.; Kotova, I.B.; Shenghua, Z.

Авторы: Mironov Vladimir, Zhukov Vitaly, Moldon Ivan, Zagustina Nataliya, Shchelushkina Anna, Ostrikova Valeria, Kotova Irina B., Shenghua Zhang
Журнал: Energies
Том: 16
Год издания: 2023
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
Первая страница: 1
Последняя страница: 23
Номер статьи: 7271
DOI: 10.3390/en16217271
Аннотация: The disposal of municipal biowaste is associated with the formation of malodorous andfrequently hazardous volatile compounds. The composition of volatile pollutants formed duringcomposting of mechanically sorted organic fraction of municipal solid waste (ms-OFMSW), sewagesludge (SS), food waste (FW), and wood waste (WC) during 28 days in a laboratory setup was analysedusing electrochemical measurements, gas chromatography, and solid phase microextraction. Despitethe close biodegradation intensity of SS+WC, ms-OFMSW, and FW+WC, the average temperaturevalues were 57.0, 51.7, and 50.6 ◦C. The emission of volatile substances per day were: CO2 0.64,0.68, and 0.64 g/kg, NH3 22.3, 93.1, and 4.9 µg/kg, CH4 5.3, 1.5 and 8.7 mg/kg, H2S 5.0, 3.3 and1.8 µg/kg organic matter. The ratios of emission from SS+FW, ms-OFMSW and FW+WC for inorganicsubstances were 1.0, 1.1, and 1.0, and for organic compounds (VOC) were 1, 24, and 123. A total of121 VOC was identified. The 12 N-containing compounds detected at the beginning of composting,some of which are highly toxic, ranged from 3.2 to 21.0% of the total VOC and belonged to amineswith a very low olfactory thresholds and heterocyclic compounds. The results of this research help tooptimise the systems used to remove pollutants from exhaust air.
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Pollutant Emissions from Municipal Biowaste Composting: Comparative Analysis and Contribution of N-Containing Organic Compoundsстатья

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