文献类型：期刊文献

英文题名：The resource utilization of algae-Preparing coal slurry with algae

作者：Li, Weidong[1];Li, Weifeng[1];Liu, Haifeng[1]

机构：[1]E China Univ Sci & Technol, Key Lab Coal Gasificat, Educ Minist China, Shanghai 200237, Peoples R China

年份：2010

卷号：89

期号：5

起止页码：965

外文期刊名：FUEL

收录：;EI(收录号：20100912740210);WOS:【SCI-EXPANDED(收录号:WOS:000276103700006)】；

基金：This work is supported by National Natural Science Foundation of China (Grant No. 50776033), New Century Excellent Talents in University (NCET-08-0775), Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT-IRT 0620) and National Key State Basic Research Development Program of China (973 Program, 2004CB217700).

语种：英文

外文关键词：Algal bloom; Coal-algae slurry; Slurryability; Gasification

摘要：Nowadays, the occurrence of harmful algal blooms is increasing rapidly all over the world. However, the methods of resource utilization of algae are very few. In this study, we propose a new way to dispose algae, which is gasification of coal-algae slurry. Coal slurries prepared with algae were investigated, and gasification reactivity of coal-algae slurry was compared with that of coal-water slurry (CWS). The results showed that, anaerobic fermentation, chemical treatment, high-speed shearing and heating are effective pre-treatment methods on reducing the viscosity of algae, which could obviously increase the maximum solids concentration of coal-algae slurry. When the de-ionized water/algae ratio is 1:1, the maximum solids concentration could get to 62.5 wt.%, which is almost the same as that of CWS. All the coal-algae slurries exhibit pseudo-plastic behavior, and this type of fluid is shear-thinning. Compared with CWS, the stability of coal-algae slurry is much better, which could be no solids deposition after 70 h. The coal-algae slurry displays better gasification reactivity than CWS. (C) 2009 Elsevier Ltd. All rights reserved.