Seasonal variation in Laminaria digitata and its impact on biochemical conversion routes to biofuels

被引:161
作者
Adams, J. M. M. [1 ]
Toop, T. A. [1 ]
Donnison, I. S. [1 ]
Gallagher, J. A. [1 ]
机构
[1] Aberystwyth Univ, Inst Biol Environm & Rural Sci IBERS, Aberystwyth SY23 3EB, Dyfed, Wales
基金
英国工程与自然科学研究理事会; 英国生物技术与生命科学研究理事会;
关键词
Anaerobic digestion; Ethanol; Methane; Seaweed; Theoretical yield calculation; ETHANOL-PRODUCTION; FERMENTATION; SEAWEED; RED;
D O I
10.1016/j.biortech.2011.08.032
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
Laminaria digitata is a highly prevalent kelp growing off the coast of the UK but has rarely been considered as a source of biomass to date. This study shows it can be used as a feedstock in both ethanol fermentation and anaerobic digestion for methane production. The study optimised several parameters in the fermentation of L. digitata and investigated the suitability of the macroalgae through the year using samples harvested every month. For both methane and ethanol production, minimum yields were seen in material harvested in March when the carbohydrates laminarin and mannitol were lowest. July material contained the highest combined laminarin and mannitol content and maximum yields of 167 mL ethanol and 0.219 m(3) kg(-1) L. digitata. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:9976 / 9984
页数:9
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