Peer-reviewed articles 17,970 +


E.David ; J.Kopac; Marinescu ; A. Armeanu
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
The depletion of fossil fuels is a major concern for the world because of the demand for energy that has increased rapidly with population growth and urbanization. For sustainable development, energy producing industries are trying to find suitable substitutes for petroleum fuel that are environmentally friendly and economically feasible. Biomass ,such as bio-oil and biochar production, could be a possible alternative energy source. Production of biochar and bio-oil from chicken manure(CM) by the pyrolysis process could be a robust approach for organic waste recycling. In this work, experiments were conducted to examine the effect of pyrolysis temperature on the quality of chicken manure biochar (CMB) and to identify the optimal pyrolysis temperature for the conversion of CM into biochar. As the maximum pyrolysis temperature gradually increased from 350 to 650OC, the biochar yield, total nitrogen content in biochar, organic carbon (OC) content, and cation exchange capacity (CEC) of the produced biochar decreased ,while the pH value, ash content and BET surface area of the biochar increased. The generated biochar showed yields of 44.87–61.15% reported to raw material mass, organic carbon of 320–370 g/kg, pH value of 9.4–11.7, BET surface area of 2.65–6.35 m2/g and CEC of 50.21– 31.45 cmolc/kg. The maximum transformation of organic carbon from CM to biochar occurred at 550 OC, however 80.5% of N contained in CM was lost to volatile compounds at this temperature. To produce CMB for use as fertilizer, a temperature value of 350 OC should be selected in pyrolysis process while for environmental applications, 550OC is a suitable temperature value. The obtained results suggest that chicken manure could be used as potential feedstocks for slow pyrolysis process to produce high-value products useful as energy resources.
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The authors acknowledges the financial support from the Ministry of Research, Innovation and Digitization from Romania, Program: Core; Project no. PN 23 15 04 02 /2023-2026.
Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 28-30 November, 2023
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference-SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
28-30 November, 2023
Energy resources; Organic wastes; Chicken manure; Pyrolysis; Biochar

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