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Language: korean

Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received December 3, 2013
Accepted January 23, 2014

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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방사선 그라프트 중합법을 이용한 이온교환 필터의 살균효과

Sterilization Effect of the Ion-exchanger Filter Using by Radiation Graft Polymerization

김예진^{1 2} 홍용철¹ 김민^2†

Ye-Jin Kim^{1 2} Yong-Cheol Hong¹ Min Kim^2†

¹국가핵융합연구소, 대전시 유성구 과학로 169-148 ²동국대학교 안전공학과, 경상북도 경주시 동대로 123

¹Plasma Bio Research Team, National Fusion Research Institute, 169-148 Gwahak-ro, Yeseong-gu, Daejeon 305-806, Korea ²Department of Safety Engineering, Dongguk University, 123 Dongdae-ro, Gyeongju, Gyeongbuk 780-714, Korea

kimmin@dongguk.ac.kr

Korean Chemical Engineering Research, June 2014, 52(3), 378-381(4), 10.9713/kcer.2014.52.3.378 Epub 2 June 2014

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Abstract

방사선 그라프트 중합에 의한 이온교환필터를 이용하여 물에 포함된 미생물의 살균 효과를 연구하였다. 이온교환필터는 부직포 필터에 전자선을 조사한 후, GMA를 그라프트 중합시켰으며, 이 GMA 필터에 이온교환기를 도입시켜 이온교환필터(EtA, DEA, SS)를 도입하였다. 그 결과 이온교환기 밀도는 EtA의 경우 2.38 mol/kg, DEA는 1.79 mol/kg, SS는 0.75 mol/kg으로 나타났다. 이렇게 제작된 필터를 통해 E. coli의 살균력을 측정하였다. SS-diol 필터의 경우 log 4.65로 EtA, DEA에 비해 각각 약 3.00배, 1.10배 높은 제거율이 나타났다. 이는 상수처리 기준 3000 CFU/ml와 비교하여 우수한 결과를 나타냈음을 알 수 있었다.

We studied the pasteurization effect of the microorganism involved in the water, using ion-exchanging filter made of the Radiation Induced Grafted Polymerization. This ion-exchanging filter is made by the graft polymerization of GMA, after irradiation of electron beam to the non-woven filter. Then, we made the ion-exchanging filter (EtA, DEA, SS) applying ion-exchanging base to the GMA filter. As a result, the density of the ion-exchanging base is shown as 2.38 mol/kg in case of EtA, 1.79 mol/kg in case of DEA and 0.75 mol/kg in case of SS. Through this filter made by this method, we measured the pasteurization power of E. coli. We found very high elimination rate such as log 4.65 in case of SS-dial filter, which is higher as 3.00 times in comparison with EtA, and 1.10 times in comparison with DEA. This data show the result is very excellent comparing with 3,000 CFU/ml. of city water treatment basis.

Keywords

Radiation Induced Grafted Polymerization Sterilization Ion-exchanging Filter

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