Energy and Environmental Assessments of Bioethanol production from Sri Kanji 1 Cassava in Malaysia

This study was aimed to evaluate the potential of bioethanol production from Sri Kanji 1 cassava in Malaysia in terms of energy efficiency and renewability, as well to estimate the potential greenhouse gas (GHG) emissions reduction in CO2 equivalent. Bioethanol production process from cassava includes cassava farming, ethanol production, and transportation in which the primary energy consumption was considered.
2 months ago

Authors: M. Hanif, T.M.I. Mahlia, H.B. Aditiya, M.S. Abu Bakar

 
Journal Title: Biofuel Research Journal

 
ISSN: 2292-8782 (Online)
 
Publisher: Green Wave Publishing of Canada
 
Abstract
 
According to the Malaysia’s biofuel policy, renewable fuels are crucial for energy sustainability in the transportation sector in the future.
 
This study was aimed to evaluate the potential of bioethanol production from Sri Kanji 1 cassava in Malaysia in terms of energy efficiency and renewability, as well to estimate the potential greenhouse gas (GHG) emissions reduction in CO2 equivalent. Bioethanol production process from cassava includes cassava farming, ethanol production, and transportation in which the primary energy consumption was considered.
 
The Net Energy Balance (NEB) and Net Energy Ratio (NER) of 25.68 MJ/L and 3.98, respectively, indicated that bioethanol production from Sri Kanji 1 cassava in Malaysia was energy efficient. From the environmental perspective, the GHG balance results revealed that the production and distribution of 1 L of Cassava Fuel Ethanol (CFE) could reduce GHG emissions by 73.2%. Although found promising in the present study, Sri Kanji 1 cassava as bioethanol feedstock should be further investigated by constructing an actual ethanol plant to obtain real life data.
 

Illustration Photo: A truck laden with freshly-harvested cassava roots on its way to a local starch processing factory (credits: Neil Palmer (CIAT) / Flickr CC BY-SA 2.0)

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