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Study on Pore Structure of Seaweed Particles After Combustion

文献类型: 外文期刊

作者: Xu, Shannan 1 ; Wang, Shuang 4 ; Zhang, Zhe 1 ; Li, Chunhou 1 ; Jiang, Xiumin 5 ;

作者机构: 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Guangdong, Peoples R China

2.Minist Agr, Key Lab South China Sea Fishery Resources Exploit, Guangzhou 510300, Guangdong, Peoples R China

3.Key Lab Fishery Ecol & Environm, Guangzhou 510300, Guangdong, Peoples R China

4.Jiangsu Univ, Sch Energy & Power Engn, Zhenjiang 212013, Jiangsu, Peoples R China

5.Shanghai Jiao Tong Univ, Inst Thermal Engn, Shanghai 200240, Peoples R China

关键词: seaweed; biomass; fluidized bed; combustion; pore structure analysis

期刊名称:JOURNAL OF ENERGY RESOURCES TECHNOLOGY-TRANSACTIONS OF THE ASME ( 影响因子:2.903; 五年影响因子:2.596 )

ISSN: 0195-0738

年卷期: 2016 年 138 卷 5 期

页码:

收录情况: SCI

摘要: In this work, the particles of two seaweeds, Enteromorpha clathrata (E. clathrata) (EN) and Sargassum natans (S. natans), were combusted in a fluidized bed. It was found that while combustion of EN particles was stable, there was a substantial slagging period during the combustion of S. natans particles. Seaweed and its bottom ash samples were collected, and their pore structures were determined with both mercury intrusion method and N-2 adsorption- desorption method. The structural analysis revealed that the number of porosity, pore volume, and specific surface area was all increased and the internal pore in ash samples was expanded after combustion. Fractal analysis showed that while the surface of original seaweed was smooth, it became irregular and rough after combustion. This study has suggested that the ash of seaweeds with porous structure can be valuable for comprehensive utilization.

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