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Nitrogen conversion under rapid pyrolysis of two types of aquatic biomass and corresponding blends with coal

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Nov 2011Publisher:Elsevier BVJournal:Bioresource Technology, volume 102, pages 10,124-10,130 (issn: 0960-8524,

Authors: Shuai Yuan; Haifeng Liu; Xueli Chen; Wei-Feng Li; Fuchen Wang;

doi: 10.1016/j.biortech.2011.08.047

pmid: 21903383

Nitrogen conversion under rapid pyrolysis of two types of aquatic biomass and corresponding blends with coal

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Abstract

Rapid pyrolysis of two types of aquatic biomass (blue-green algae and water hyacinth), and their blends with two coals (bituminous and anthracite) was carried out in a high-frequency furnace. Nitrogen conversions during rapid pyrolysis of the two biomass and the interactions between the biomass and coals on nitrogen conversions were investigated. Results show that little nitrogen retained in char after the biomass pyrolysis, and NH(3) yields were higher than HCN. During co-pyrolysis of biomass and coal, interactions between biomass and coal decreased char-N yields and increased volatile-N yields, but the total yields of NH(3)+HCN in volatile-N were decreased in which HCN formations were decreased consistently, while NH(3) formations were only decreased in the high-temperature range but promoted in the low-temperature range. Interactions between blue-green algae and coals are stronger than those between water hyacinth and coal, and interactions between biomass and bituminous are stronger than those between biomass and anthracite.

Related Organizations

East China University of Science and Technology
China (People's Republic of)
East China University of Science and Technology
China (People's Republic of)

Keywords

Aquatic Organisms, Hot Temperature, Nitrogen, Cyanobacteria, Elements, Lignin, Coal, Eichhornia, Polysaccharides, Biomass, Biotechnology

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