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

被引：51
作者：
Yuan, Shuai [1 ]
Chen, Xue-li [1 ]
Li, Wei-feng [1 ]
Liu, Hai-feng [1 ]
Wang, Fu-chen [1 ]
机构：
[1] E China Univ Sci & Technol, Key Lab Coal Gasificat, Minist Educ, Shanghai 200237, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2011年 / 102卷 / 21期
基金：
中国国家自然科学基金;
关键词：
Co-pyrolysis; Blue-green algae; Water hyacinth; Coal; Nitrogen; MICROWAVE-INDUCED PYROLYSIS; CHAR; GASIFICATION; HCN; CELLULOSE; WASTES; HNCO; NH3;
D O I：
10.1016/j.biortech.2011.08.047
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
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. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：10124 / 10130
页数：7
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