20.500.12556/DKUM-88357 Thermal treatment of raw and pre-treated wastes from the paper industry In this study, the thermal treatment of two types of waste from the paper industry was investigated, paper mill sludge and sewage sludge from biological wastewater treatment plants. Hydrothermal carbonisation (HTC) and torrefaction were investigated as sustainable alternatives for solid biofuel production. Untreated samples and samples chemically pre-treated with alcoholic vinegar were subjected to torrefaction at 350 °C in N2 atmosphere, and the exhaust gases were analysed. HTC was performed at 250 °C with a residence time of 4 h. The feedstocks and the biochars produced were characterised by different analytical methods, and the effects of pre-treatment on fuel properties were studied. Both processes, HTC and torrefaction, showed inspiring results in the production of biofuels from paper industry wastes under the tested experimental conditions. A positive influence of pre-treatment on fuel properties (higher heating value, carbon content) of the obtained char was observed, and changes in the gas phase during torrefaction were observed. thermal treatment of waste wastewater treatment hydrothermal carbonisation termalna obdelava odpadkov odpadki hidrotermalna karbonizacija true false true AIDIC Angleški jezik Slovenski jezik https://www.cetjournal.it/index.php/cet/ Članek v reviji 2024-04-18 11:36:40 2024-04-18 11:36:41 2024-04-19 03:16:42 0000-00-00 00:00:00 2023 0 0 str. 745-750 Vol. 103 2023 0000-00-00 Zaloznikova Objavljeno NiDoloceno 2023-05-10 2023-06-15 2023-10-15 66.02 176804611 10.3303/CET23103125 2283-9216 125.pdf 125.pdf 1 FE9696CCBA97E50534A442C998725DE0 3c8b7bccf57649d3654bdb7a00fca9c7ae15370019bb2f19bad9b1d0805ec168 c0346b64-fd68-11ee-bd4d-00155d000105 https://dk.um.si/Dokument.php?lang=slv&id=178701 https://www.cetjournal.it/index.php/cet/article/view/CET23103125 0 c9fd2791-fd68-11ee-bd4d-00155d000105 https://dk.um.si/Dokument.php?lang=slv&id=178702 Fakulteta za kemijo in kemijsko tehnologijo 0 0 0