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Bioethanol production using batch reactor from foodwastes  

Lee, Jun-Cheol (Graduate School of Energy and Environment, Seoul National University of Technology)
Kim, Jae-Hyung (Graduate School of Energy and Environment, Seoul National University of Technology)
Park, Hong-Sun (Graduate School of Energy and Environment, Seoul National University of Technology)
Pak, Dae-Won (Graduate School of Energy and Environment, Seoul National University of Technology)
Publication Information
Journal of Korean Society of Environmental Engineers / v.32, no.6, 2010 , pp. 609-614 More about this Journal
Abstract
In the present study, bioethanol was produced using batch style reactor from food wastes which has organic characteristics. Pretreatment was required to reduce its particle size and produce fermentable sugar. Two different enzymes such as carbohydrase and gulcoamylase were tested for saccharification of food waste. The efficiency of carbohydrase saccharification (0.63 g/g-TS) has shown higher than glucoamylase saccharification(0.42 g/g-TS). Saccharomyces cerevisiae produced bioethanol via separate hydrolysis & fermentation (SHF) method and simultaneous saccharification fermentation (SSF) method. The production amount of bioethanol was 0.27 g/$L{\cdot}hr$ for SHF and 0.44 g/$L{\cdot}hr$ for SSF.
Keywords
Bioethanol; Simultaneous saccharification and fermentation (SSF); Separate hydrolysis and fermentation (SHF); Saccharomayces cerevisiae;
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Times Cited By KSCI : 2  (Citation Analysis)
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