Hydrothermal conversion of seaweeds in a batch autoclave

被引:59
作者
Schumacher, Matthew [2 ]
Yanik, Jale [3 ]
Sinag, Ali [1 ]
Kruse, Andrea [2 ]
机构
[1] Ankara Univ, Fac Sci, Dept Chem, TR-06100 Ankara, Turkey
[2] KIT, Inst Tech Chem, Div Chem Phys Proc, D-76344 Eggenstein Leopoldshafen, Germany
[3] Ege Univ, Fac Sci, Dept Chem, TR-35100 Izmir, Turkey
关键词
Seaweeds; Algae; Hydrogen production; Hydrothermal conversion; SUPERCRITICAL WATER; NONCATALYTIC GASIFICATION; BIOMASS GASIFICATION; ENERGY-PRODUCTION; LIQUEFACTION; GLUCOSE; HYDROPYROLYSIS; MACROALGAE; LIGNIN;
D O I
10.1016/j.supflu.2011.04.009
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
In this study, different seaweed species were gasified in supercritical water as biomass feedstock. The experimental conditions were 500 degrees C of temperature and 1 h of reaction time. The amount of gases, the gas compositions and the amount of water soluble compounds from gasification were determined. The coke yields were found to be significantly lower than those obtained with lignocellulosic and protein contained wastes. The gaseous species detected contain mainly hydrogen, methane and carbon dioxide. The hydrogen yields ranging between 11.8 and 16g H-2/kg seaweed have been obtained. On the other hand, the methane yields were found to be in the range of 39 and 104g CH4/kg seaweed. The contents of aqueous phases were also determined using various analytical techniques. DOC (dissolved organic carbon) values of aqueous phases showed the high extent of gasification. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码:131 / 135
页数:5
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