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Effect of Ozone and UV Treatment of Groundwater on the Quality of Wine  

Park, Young-Gyu (Department of Chemical Engineering, Daejin University)
Kim, Hee-Jung (Department of Chemical Engineering, Daejin University)
Publication Information
Korean Journal of Food Science and Technology / v.36, no.2, 2004 , pp. 255-261 More about this Journal
Abstract
Experiments using ozone are presented for the water purification and wine quality improvement. Advanced oxidation process results reveal water treatment by both ozone and UV radiation increases quality of the takju prepared using a Korean conventional nuruk than with ozone-treatment or convectional method only. Water quality was enhanced by ozone treatment, resulting in 85% reduction of hardness, and 30% increase in total glucose produced due to increased conductivity and biodegradability of water. Although initially decreased slightly due to oxidation of takju, higher than expected ethanol production was observed, with ozone plus UV treatment resulting in 20% higher production compared with other methods.
Keywords
water quality; alkalinity; alcohol production; ozone; UV radiation;
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