文献类型： 外文期刊
作者： Hu, Yamin 1 ; Wang, Shuang 1 ; Wang, Qian 1 ; He, Zhixia 1 ; Lin, Xiaochi 1 ; Xu, Shannan 2 ; Ji, Hengsong 1 ; Li, Yun 1 ;
作者机构： 1.Jiangsu Univ, Sch Energy & Power Engn, Zhenjiang 212013, Jiangsu, Peoples R China
2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab South China Sea Fishery Resources Exploit, Minist Agr, Guangzhou 510300, Guangdong, Peoples R China
关键词： Seaweed biomass; Pretreatment; Pyrolysis
期刊名称：PROCEEDINGS OF THE COMBUSTION INSTITUTE （ 影响因子：3.757； 五年影响因子：4.021 ）
ISSN： 1540-7489
年卷期： 2017 年 36 卷 2 期
页码：
收录情况： SCI
摘要： This study aims to investigate the pyrolysis characteristics of seaweed biomass (Enteromorpha) after water-washed and acid-washed (7%, 10% of hydrochloric acid, 7% of sulfuric acid, 7% of phosphoric acid) pretreatments. These pretreatments of seaweed were signifi after water-washed and acid-washed (7%, 10, Ca, Na and Mg metals. Among these pretreatments the removal capacity of H2SO4 was the most obvious. The pyrolysis behaviors of materials after pretreatments have been studied using thermogravimetry-mass spectroscopy. During the pretreatments, O-H, C-O/C-H, S=O and C=O functional groups in Enteromorpha were cleaved. Phosphoric acid and hydrochloric acid made the intensities of the absorption peaks of O-H and S=O de-crease the most obvious, respectively. Therefore, there was almost no NO2 and SO2 emission in the process of pyrolysis of Enteromorpha washed by hydrochloric acid and phosphoric acid. The volatile components of Enteromorpha were easy to evolve after the pretreatment. Sulfuric acid exhibited the best efficiency in the process of pyrolysis, and it manifested smaller influence on other volatile organics simultaneously. However, the maximum weight loss rate and the corresponding temperature reduced after pretreatments, and the max-imum weight loss rate reduced more distinctly after 7% hydrochloric acid treatment. These results suggest that selective acid pretreatment would facilitate the thermal conversion of seaweed biomass. (C) 2016 by The Combustion Institute. Published by Elsevier Inc.
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