Bioresource Technology 249 (2018) 247–253 Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.elsevier.com/locate/biortech Investigation on biomass nitrogen-enriched pyrolysis: Inﬂuence of temperature Wei Chen, Yingquan Chen, Haiping Yang , Kaixu Li, Xu Chen, Hanping Chen State Key Laboratory of Coal Combustion, School of Power and Energy Engineering, Huazhong University of Science and Technology, 430074 Wuhan, China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: Biomass (bamboo waste) nitrogen-enriched pyrolysis was carried out in a ﬁxed bed with NH atmosphere at Biomass 400–800 °C, and formation mechanism of N-containing species was explored in depth. Results showed that N- N-enriched pyrolysis enriched pyrolysis greatly increased bio-oil and gas yields. H yield increased sharply to 130 mL/g (32.93 vol%) NH and became the main composition at higher temperature, while CH and CO yields deceased, and the lower N-containing species heating value of gas reached ∼14 MJ/Nm . For bio-oil, the content of phenols (main compositions) and N- Phenols containing species increased signiﬁcantly, and the maximums reached 61.33% and 11.47%, respectively. While Functional biochar that of acetic acid (disappeared), O-containing species (aldehydes/ketones/furans/esters) and aromatics de- creased largely accordingly. For biochar, Nitrogen content increased, and it contained abundant pyridininc-N, pyrrolic-N, quaternary-N, and
Bioresource Technology – Elsevier
Published: Feb 1, 2018
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