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Fate of Nitrogen during Hydrothermal Carbonization

Kruse, Andrea 1; Koch, Florian; Stelzl, Katharina 2; Wüst, Dominik; Zeller, Meret
1 Institut für Katalyseforschung und -technologie (IKFT), Karlsruher Institut für Technologie (KIT)
2 Karlsruher Institut für Technologie (KIT)

Abstract (englisch):

Carrot green, the algae Chlorella pyrenoidosa, and straw as representatives for different types of biomass are
converted by hydrothermal conversion. The amount of nitrogen remaining in the hydrochar as well as in the aqueous phase is
determined, and the amount of nitrate, nitrite, and ammonia in the process water is analyzed. The nitrogen content of hydrochar
has an significant impact on the properties of hydrochar; therefore, a control of the nitrogen content would be useful to design
hydrochar for different applications. With regard to the fate of nitrogen, the different biomass feedstocks show significant
differences as a result of the different chemical nature of nitrogen compounds in the feedstock. A complete removal of nitrogen
from the hydrochar could not be achieved. In contrast, wood incorporates nitrogen when impregnated with the amino acid
cysteine during hydrothermal carbonization.

DOI: 10.1021/acs.energyfuels.6b01312
Zitationen: 102
Web of Science
Zitationen: 91
Zitationen: 100
Zugehörige Institution(en) am KIT Institut für Katalyseforschung und -technologie (IKFT)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2016
Sprache Englisch
Identifikator ISSN: 0569-3799
KITopen-ID: 1000061817
HGF-Programm 35.13.02 (POF III, LK 01) Konversion
Erschienen in Energy & fuels preprints
Verlag ACS
Band 2016
Heft 30
Seiten 8037-8042
Nachgewiesen in Web of Science
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