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KMID : 1024520150240111385
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Journal of the Environmental Sciences
2015 Volume.24 No. 11 p.1385 ~ p.1391
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Design of a Water Reuse System Combined with a Fiber Filtration and Electrolysis
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Shin Choon-Hwan
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Abstract
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A water reuse system was designed for a demonstration plant by combining fiber filtration and electrolysis. A discharged
dye wastewater after treated with biomedia was used in this study. It was found that an additional removal of suspended solids(SS) was feasible with 2?stage filtration while electrolysis was not effective. Also, CODcr and CODMn were not removed with 2?stage filtration but electrolysis resulted in about 26.9% additional removal. This indicates that electrolysis play an important role in organic removal. Removal of T?N and T?P was negligible with 1 and 2?stage fiber filtration and low?level electrolyte.
However, with 2000 ppm of electrolyte, their removal efficiencies were about 83.1 and 60%, respectively, suggesting that the
removal rates are well associated with the electrolyte concentrations. With high?level electrolyte, colority was removed about 82% while chlorine ions were removed only about 10%. Therefore, to treat underground water containing high?level salinity in the follow?up study, based on the results in this paper, a combined system with selection of additional unit process and reverse osmosis will be designed.
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KEYWORD
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Fiber filtration, Electrolysis, Combined system, Removal efficiency, Water reuse
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