발라스트수 처리를 위한 전기화학적 살균처리

The discharge of ballast water from the marine vessel without proper treatment causes the ecological disruption. Therefore, International Marine Organization(IMO) has the plan to force the proper treatment of ballast water before its discharge to open sea. To satisfy the IMO's criteria, several...

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Published inDaehan hwan'gyeong gonghag hoeji Vol. 28; no. 11; pp. 1162 - 1167
Main Authors 서원학(Won Hak Seo), 전선애(Sun Ae Jeon), 김지현(Ji Hyun Kim), 이태호(Tae Ho Lee), 상병인(Byoung In Sang)
Format Journal Article
LanguageKorean
Published 대한환경공학회 2006
Subjects
Online AccessGet full text
ISSN1225-5025
2383-7810

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Abstract The discharge of ballast water from the marine vessel without proper treatment causes the ecological disruption. Therefore, International Marine Organization(IMO) has the plan to force the proper treatment of ballast water before its discharge to open sea. To satisfy the IMO's criteria, several processes such as filtration, UV irradiation, and ozonation etc., were introduced. Since the disinfection of ballast water should be conducted within very short hydrolic retention time, electrochemical treatment can be a promissing process. The DSA(dimensional stable anode) electrode for the electrochemical treatment was prepared by thermal deposition method. The disinfection rate of microorganisms increased with the increasing current density and reaction time under low pH condition. The morphology of sterilized microorganisms was shown by SEM and Microscopy. 대형선박에서 적절한 처리없이 배출되는 발라스트수에 의한 해양 생태계의 파괴가 최근 전세계적으로 환경오염 문제로 대두되고 있다. 그 결과, 국제해사기구(IMO)는 공해로 배출되기 전 발라스트수의 적절한 처리를 강제하는 국제협약을 시행할 예정이다. IMO의 발라스트수 처리 기준을 준수하기 위해, 여과, UV 자외선, 오존 처리 등과 같은 몇몇 공정들이 연구되고 있다. 발라스트수의 살균은 매우 짧은 수리학적 체류시간 내에 처리되어야 하기 때문에, 전기화학적 처리 공정은 우수한 공정이 된다. 불용성 전극을 이용한 전기화학적 처리 공정에서 미생물의 살균능은 낮은 pH조건하에 전류밀도와 체류시간이 증가함에 따라 증가하였다. 살균처리 후 미생물의 형상을 전자현미경과 광학현미경으로 관찰하여 전기화학적으로 미생물이 살균된 형태를 확인하였다.
AbstractList The discharge of ballast water from the marine vessel without proper treatment causes the ecological disruption. Therefore, International Marine Organization(IMO) has the plan to force the proper treatment of ballast water before its discharge to open sea. To satisfy the IMO's criteria, several processes such as filtration, UV irradiation, and ozonation etc., were introduced. Since the disinfection of ballast water should be conducted within very short hydrolic retention time, electrochemical treatment can be a promissing process. The DSA(dimensional stable anode) electrode for the electrochemical treatment was prepared by thermal deposition method. The disinfection rate of microorganisms increased with the increasing current density and reaction time under low pH condition. The morphology of sterilized microorganisms was shown by SEM and Microscopy. 대형선박에서 적절한 처리없이 배출되는 발라스트수에 의한 해양 생태계의 파괴가 최근 전세계적으로 환경오염 문제로 대두되고 있다. 그 결과, 국제해사기구(IMO)는 공해로 배출되기 전 발라스트수의 적절한 처리를 강제하는 국제협약을 시행할 예정이다. IMO의 발라스트수 처리 기준을 준수하기 위해, 여과, UV 자외선, 오존 처리 등과 같은 몇몇 공정들이 연구되고 있다. 발라스트수의 살균은 매우 짧은 수리학적 체류시간 내에 처리되어야 하기 때문에, 전기화학적 처리 공정은 우수한 공정이 된다. 불용성 전극을 이용한 전기화학적 처리 공정에서 미생물의 살균능은 낮은 pH조건하에 전류밀도와 체류시간이 증가함에 따라 증가하였다. 살균처리 후 미생물의 형상을 전자현미경과 광학현미경으로 관찰하여 전기화학적으로 미생물이 살균된 형태를 확인하였다.
Author 전선애(Sun Ae Jeon)
이태호(Tae Ho Lee)
상병인(Byoung In Sang)
서원학(Won Hak Seo)
김지현(Ji Hyun Kim)
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Issue 11
Keywords 불용성 전극
Ballast Water Treatment
발라스트수 처리
Current Density
Dimensional Stable Anode
Electrochemical Disinfection
전기화학적 살균
전류 밀도
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