Journal
BIORESOURCE TECHNOLOGY
Volume 209, Issue -, Pages 142-147Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.02.136
Keywords
Pyrolysis; Biomass; Ammonia source; Nitrogenous heterocyclic compounds; Carbonyl
Funding
- National Basic Research Program of China [2013CB228103]
- Chinese Academy of Sciences [KGZD-EW-304-3]
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The current study presents the pyrolysis characteristics of rice husk impregnated with different kinds of ammonia source (ammonium acetate, urea, ammonium sulfate and ammonium dihydrogen phosphate) in a fixed bed reactor. The introduction of ammonia source in pyrolysis process achieved the conversation from carbonyl compounds to nitrogenous heterocyclic compounds. The liquid product of ureaimpregnated biomass has higher content of nitrogenous heterocyclic compounds (8.35%) and phenols (30.4%). For ammonium sulfate and ammonium dihydrogen phosphate-impregnated biomass, the quantity of compounds in liquid products reduces remarkably, and the gas products are rich in CO and H2. All the solid products of pyrolysis have great potential application in biochar-based fertilizer and activated carbon for their high N content. (C) 2016 Elsevier Ltd. All rights reserved.
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