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Bioethanol Production from Ceratophyllum demersum L. and Carbon Footprint Evaluation

Thirasit Kusolsongtawee, Thawipon Wuttilerts, Suphang Chulalaksananukul, Luksanaree Maneechot


The aim of this research was to find the suitable conditions for bio-ethanol production from Ceratophyllum demersum L., an abundant aquatic plant. The parameters affected to alcohol production were evaluated. Percentage of solid (10, 20, and 30% (w/v)), the amount of yeast (5, 10, and 15% (w/v)), pH value (4, 5, and 6) and temperature (30, 35, and 40°C) were carried out. The results elucidated that the conditions to produce the maximum bio-ethanol from Ceratophyllum demersum L. was applied with 10% (w/v) of solid, 10% (w/v) of yeast, controlled pH value of 6 and temperature of 30°C. The highest yield of bio-ethanol production was reached 2.92 g ethanol/L within 24 h. Moreover, the Carbon Footprint for ethanol production was calculated only from 2 steps of life cycle analysis which were the step of raw material acquisition from macro algae cultivation and manufacturing process from bio-ethanol production. Consequently, the carbon footprint for ethanol production from Ceratophyllum demersum L. was 77.88 kg CO2 equivalent.



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DOI: 10.14416/j.ijast.2018.04.002


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