Seoul National University · Engineering
이 교수의 연구실은 수질 정화 및 자원 회수를 핵심 목표로 하며, 전기화학적 정화 기술과 나노촉매 기반 반응 메커니즘을 중심으로 연구를 전개하고 있습니다. 특히, 담수화 성능 평가, 고농도 Fenton 반응, 오존 기반 라디칼 생성, 전기적 생물막 제어, 나노제로발가액철을 이용한 박테리아 제거, 그리고 리튬 회수 전기화학 시스템 등 다양한 환경 공학적 문제를 해결하기 위한 혁신적 기술 개발에 주력하고 있습니다. 연구는 실용성과 기초 메커니즘의 융합을 추구하며, 환경 오염 제거와 자원 순환 기술의 실현 가능성을 높이고자 합니다.
Figures are computed from collected data and may differ slightly.
A novel concept to evaluate desalination performance in capacitive deionization (CDI) is proposed called the CDI Ragone plot.
A highly active heterogeneous Fenton catalyst was fabricated by impregnating iron oxide nanoparticles in alumina coated mesoporous SBA-15 silica.
Abstract Fenton reaction has been often used to treat industrial wastewater or landfill leachate. However, most mechanistic research into the Fenton reaction has been confined to low concentration conditions (usually the concentration of iron is less than 1 mM). These conditions are removed from the circumstances of real application. This is especially true in the treatment of landfill leachate in Korea. Therefore, we investigated the characteristics of the Fenton system using high concentration
Ozone is widely used to disinfect drinking water and wastewater due to its strong biocidal oxidizing properties. Recently, it was reported that hydroxyl radicals ((.)OH), resulting from ozone decomposition, play a significant role in microbial inactivation when Bacillus subtilis endospores were used as the test microorganisms in pH controlled distilled water. However, it is not yet known how natural organic matter (NOM), which is ubiquitous in sources of drinking water, affects this process of d
Since biofilms show strong resistance to conventional disinfectants and antimicrobials, control of initial bacterial adhesion is generally accepted as one of the most effective strategies for preventing biofilm formation. Although electrical methods have been widely studied, the specific properties of cathodic, anodic, and block currents that influence the bacterial detachment and inactivation remained largely unclear. This study investigated the specific role of electric currents in the detachm
The mechanism of Escherichia coli inactivation by nanoparticulate zerovalent iron (nZVI) and Fe(II) was investigated using reactive oxygen species (ROS) quenchers and probes, an oxidative stress assay, and microscopic observations. Disruption of cell membrane integrity and respiratory activity was observed under deaerated conditions [more disruption by nZVI than Fe(II)], and OH or Fe(IV) appears to play a role.
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