Changes in main parameters of biological stabilisation of municipal waste from a full-scale mechanical-biological treatment (MBT) installation

• Autorzy: Koc-Jurczyk Justyna

Identyfikatory

DOI

10.2478/acee-2023-0043

• Języki publikacji: EN

Abstrakty

EN

Poland's mixed municipal waste management system has been based on mechanical-biological treatment (MBT). One of the MBT processes is the biological stabilisation of fractions of less than 80 mm. The final product after biological stabilisation is a stabiliser that, once the conditions required by law are met, can be landfilled. The stabilizer must meet the following requirements: the loss of ignition (LOI) of the stabiliser is less than 35% DM, the organic carbon content is less than 20% DM and the AT4 value (aerobic 4-day respiration test) value is less than 10 mgO2/g DM. The study aimed to analyse the changes that occurred during the first 4 weeks of biological processing of the fraction of less than 80 mm of mixed municipal waste. The bioreactor feedstock consisted of 41.7% organic fraction (OF), the LOI was 32.3%, and the AT4 value was 45.7 mgO2/g DM. During biological processing, at 4 weeks, the loss of OF in the total weight of the waste was found to be 22.6%, the losses after roasting decreased by almost 90% and the value of AT4 was 6.6 mgO2/g DM. This means that the stabiliser already after 4 weeks, according to the law, could be sent to a landfill.

Słowa kluczowe

EN

mixed municipal waste; biological stabilisation; AT installation; MBT installation

PL

zmieszane odpady komunalne; stabilizacja biologiczna; instalacja AT; instalacja MBT

• Wydawca: Silesian University of Technology
• Czasopismo: Architecture Civil Engineering Environment
• Rocznik: 2023
• Tom: Vol. 16, no. 3
• Strony: 163--170
• Opis fizyczny: Bibliogr. 22 poz.

Twórcy

autor

Koc-Jurczyk Justyna

• Associate Prof., DSc Eng.; Institute of Agricultural Sciences, Land Management and Environmental Protection,College of Natural Sciences, University of Rzeszow, Rzeszow, Poland

Bibliografia

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