지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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The aim of this research was to evaluate the effect of combination of disinfection process (electrolysis, UV process) on Escherichia coli (E. coli) disinfection and oxidants (OH radical, ClO2, HOCl, H<sub>2</sub>O<sub>2</sub< and O<sub>3</sub>) generation. The effect of electrolyte type (NaCl, KCl and Na<sub>2</sub>SO<sub>4</sub>) on the E. coli disinfection and oxidants generation were evaluated. The experimental results showed that performance of E. coli disinfection of electrolysis and UV single process was similar. Combination of electrolysis and UV process enhanced the E. coli disinfection and 4-carboxybenzaldehyde (4-CBA, indicator of the generation of OH radical) degradation. It is clearly showed synergy effect on disinfection and OH radical formation. However chlorine (ClO2, HOCl) and oxygen type (H<sub>2</sub>O<sub>2</sub<, O<sub>3</sub>) oxidants were decreased with the combination of two process. In electrolysis + UV complex process, electro-generated H<sub>2</sub>O<sub>2</sub< and O<sub>3</sub> were reacted with UV light of UV-C lamp and increased 4-CBA degradation(increase OH radical). Disinfection of electrolyte of chlorine type was higher than that of the sulfate type electrolyte due to the higher generation of OH radical and oxidants.
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UCI(KEPA) : I410-ECN-0102-2023-451-001661344