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A Study on Waste Reduction of Water Soluble Cutting Fluids by UV-free Reflecting Reactor  

Jung, Suk-Ho (Department of Environmental Engineering, Kyungpook National University)
Hwang, Hyeon-Uk (Department of Environmental Engineering, Kyungpook National University)
Hong, Sang-Yeon (Department of Environmental Engineering, Kyungpook National University)
Kim, Hyun-Su (Department of Environmental Engineering, Kyungpook National University)
Saleem, Khan Muhamad (Department of Environmental Engineering, Kyungpook National University)
Kim, Ji-Hoon (Department of Environmental Engineering, Kyungpook National University)
Kim, Young-Ju (Department of Environmental Engineering, Kyungpook National University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.30, no.6, 2008 , pp. 609-615 More about this Journal
Abstract
In this study, the design of UV-free reflecting reactor was studied to enhance the cutting fluid life for cutting machine. And also, the stability of cutting fluid with addition of biocide in cutting fluid and without biocide was compared with respect to the cutting fluid concentration, pH changes and microorganisms. Low number of microorganism was observed in the cutting fluid after UV-free reflecting treatment as compare to the cutting fluid which was added biocide and just cutting fluid alone. PH of the cutting fluid after UV-free reflecting treatment was about 9$\sim$8.5 while others were observed considerably low. The oil contents of cutting fluid which was added biocied and pure cutting fluid were almost degraded with the passage of time. However, in case of UV-free reflecting reactor, 4$\sim$3.5 Brix oil contents were observed in the cutting fluid.
Keywords
UV-free Reflecting Reactor; Cutting Fluid; Microorganism; Biocide;
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