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10. Study on pyrolysis characteristics of lignocellulosic biomass impregnated with ammonia source

Author

Kai Li, Liqiang Zhang, Zhu Changpeng, and Xifeng Zhu

Subjects
Ammonium sulfate, Environmental Engineering, 020209 energy, Lignocellulosic biomass, Bioengineering, 02 engineering and technology, Acetates, 010501 environmental sciences, Lignin, 01 natural sciences, chemistry.chemical_compound, Ammonia, Phenols, Heterocyclic Compounds, Biochar, 0202 electrical engineering, electronic engineering, information engineering, Urea, Organic chemistry, Ammonium, Biomass, Fertilizers, Waste Management and Disposal, 0105 earth and related environmental sciences, Carbon Monoxide, Renewable Energy, Sustainability and the Environment, Oryza, General Medicine, Ammonium dihydrogen phosphate, chemistry, Ammonium Sulfate, Charcoal, Ammonium acetate, Pyrolysis, Hydrogen
Abstract

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 urea-impregnated 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.

Published
2016

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