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Wyświetlanie 1-2 z 2
Tytuł:
Feasibility of using municipal solid wastes rejected fractions as fuel in a biomass power plant
Autorzy:
Brás, Isabel
Silva, Elisabete
De Lemos, Luís Teixeira
Powiązania:
https://bibliotekanauki.pl/articles/207878.pdf
Data publikacji:
2020
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
biomass power plant
biomass
waste treatment
elektrownia na biomasę
biomasa
przetwarzanie odpadów
Opis:
The viability of partial replacement of biomass feedstock by the refuse derived fuel (RDF) produced from the local municipal waste management facility was investigated. Therefore, over two years, several samples of the rejected fractions from the selective collection operations and the mechanical and biological treatment were collected at the waste management facility. These samples were characterized to evaluate the physical composition, proximate analysis, ultimate analysis, alkali metal and trace metal content, calorific, and chlorine contents. All data were statistically analyzed. Several important differences were found between the rejected fractions and biomass, namely moisture, volatile matter, and fixed carbon content. However, the calorific value is like the expected from common wood or forest wastes. Trace and hazardous elements were found to be below the standard for RDF. After the statistical analysis, it was found that not all parameters had a normal distribution. Non-parametric tests were performed and for all the parameters analyzed only moisture content, nitrogen, and hydrogen show to be dependent on the waste source. Overall, the results point out the feasibility to prepare RDF from rejected fractions to use as co-fuel in a biomass power plant.
Źródło:
Environment Protection Engineering; 2020, 46, 2; 53-62
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chemical transformation of chromed leather wastes into environmentally harmless fibrous biomass
Autorzy:
Malek, A.
Benotmane, B.
Aribi, C.
Hachemi, M.
Powiązania:
https://bibliotekanauki.pl/articles/207383.pdf
Data publikacji:
2016
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
biomass fiber
chemical transformations
leather
FTIR
Faurier Transform Infrared
odpady skórzane
biomasa włóknista
przemiana chemiczna
spektroskopia w podczerwieni z transformatą Fouriera
Opis:
Chemical transformation of leather waste into chromium free biomass has been investigated. The conversion was performed by extracting the toxic metal. The effects of several influential factors on the process have been studied using design of experiments. Optimal conditions of chromium extraction have been determined. The collagen fiber of the biomass obtained has been analyzed by the Fourier transform infrared spectroscopy (FTIR). The chemical mechanism allowing this transformation has been suggested. The infrared analysis showed that the collagen fiber of the obtained biomass presents chemical composition similar to that of native collagen fiber of non-chromed leather. These results demonstrated the almost complete extraction of chromium from leather waste and the conversion of these latter into an environmentally harmless biomass.
Źródło:
Environment Protection Engineering; 2016, 42, 3; 179-192
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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