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Evaluation of Purification Capacity of Vegetable Lactobacillus fermentum Culture System in Closed Environmental Waste Water  

Lee, Deuk Sik (Department of Foodservice Industry, Hanzhong University)
Kim, Nam Kyun (Department of Food Science and Biotechnology, School of Biotechnology and Bioengineering, Kangwon National University)
Shim, Sooyong (Chuncheon City Sewage Treatment Division)
Lee, Dong Jin (Institute of Life Science, Well-being LS Co., Ltd.)
Yoon, Won Byong (Department of Food Science and Biotechnology, School of Biotechnology and Bioengineering, Kangwon National University)
Publication Information
Food Engineering Progress / v.15, no.1, 2011 , pp. 22-27 More about this Journal
Abstract
Changes in total nitrogen (T.N.) and total phosphate (T.P.) content in environmental waste water upon the reaction of biological purifying reagents were measured and the reaction rate was evaluated. The purification capacity of two biological purifying reagents composed of vegetable Lactobacillus fermentum (V.L.F.), Saccharomyces cerevisiae(S.C), and Bacillus subtilis(B.S.) were evaluated and compared with that of commercial water purification system operating by local government. After 18days of reaction, the mixture of V.L.F. and S.C. showed dramatic decrease of T.N.(36.21% of the initial value). The mixture of V.L.F., S.C., and B.S. showed faster reaction rate to decrease T.P. compared with that of the mixture of V.L.F. and S.C. The reaction constant of mixture of V.L.F. and S.C. was estimated to be 0.178 $day^{-1}$ by the curve fitting of the data of changes in T.N. during the reaction.
Keywords
vegetable Lactobacillus fermentum; Bacillus subtilis; purification capacity; reaction rate; waste water;
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Times Cited By KSCI : 2  (Citation Analysis)
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