Bio-Ethanol Production from Non-Food Parts of Cassava (Manihot esculenta Crantz)

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• 作者：Ephraim Nuwamanya (1)
  Linley Chiwona-Karltun (2) Linley.karltun@slu.se
  Robert S. Kawuki (1)
  Yona Baguma (1) bgmyn@yahoo.co.uk
• 关键词：Cassava feedstock &#8211 ; Food security &#8211 ; Energy production &#8211 ; Bio ; ethanol
• 刊名：AMBIO
• 出版年：2012
• 出版时间：May 2012
• 年：2012
• 卷：41
• 期：3
• 页码：262-270
• 全文大小：366.1 KB
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• 作者单位：1. National Agricultural Research organization, National Crops Resources Research Institute (NaCRRI), P.O. Box 7084, Kampala, Uganda2. Department of Urban and Rural Development, Swedish University of Agricultural Sciences, Box 7012, 750 07 Uppsala, Sweden
• 刊物类别：Earth and Environmental Science
• 出版者：Springer Netherlands
• ISSN：1654-7209

文摘

Global climate issues and a looming energy crisis put agriculture under pressure in Sub-Saharan Africa. Climate adaptation measures must entail sustainable development benefits, and growing crops for food as well as energy may be a solution, removing people from hunger and poverty without compromising the environment. The present study investigated the feasibility of using non-food parts of cassava for energy production and the promising results revealed that at least 28% of peels and stems comprise dry matter, and 10 g feedstock yields >8.5 g sugar, which in turn produced >60% ethanol, with pH ≈ 2.85, 74–84% light transmittance and a conductivity of 368 mV, indicating a potential use of cassava feedstock for ethanol production. Thus, harnessing cassava for food as well as ethanol production is deemed feasible. Such a system would, however, require supportive policies to acquire a balance between food security and fuel.