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NTIS 바로가기Ecology and resilient infrastructure, v.3 no.4, 2016년, pp.256 - 262
남귀웅 (고려대학교 환경생태공학과) , 정진호 (고려대학교 환경생태공학과)
Rapid industrialization and a significant population growth has led to an increased use of chemicals, which has limited the biological processes that account for most of the existing water and wastewater treatment methods. Ozone microbubble technology, which is one of advanced oxidation processes, h...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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강한 산화제를 이용하는 화학적 산화이 적절한 비용으로 처리효율을 높일 수 있는 공정으로 평가받는 이유는 무엇 때문인가? | 고급산화공정 중 강한 산화제를 이용하는 화학적 산화는 난분해성인 유기화합물들을 제거하는데 효율적이며 (Arslan et al. 2001, Tambosi et al. 2009) 기존의 생물학적 공정 기반시설을 최대한 활용할 수 있기 때문에 적절한 비용으로 처리효율을 높일 수 있는 공정이다. 특히 화학적 산화공정에 널리 쓰이는 오존은 자체로도 높은 산화력을 지니고 있으며 (2. | |
현재의 오존산화공정의 문제들을 해결하기 위해 어떤 연구가 진행 중인가? | 2016). 이러한 단점들을 해결하기 위해 오존 사용율을 높일 수 있는 기술 개발의 필요성이 증가하고 있으며, 최근에는 오존 이용 극대화를 위한 마이크로버블 기술이 활발하게 연구되고 있다. 마이크로버블은 작은 버블 크기 (50 μm 미만), 넓은 표면적, 긴 체류시간, 낮은 상승속도, 그리고 높은 내압으로 인해 많은 주목을 받고 있다 (Agarwal et al. | |
현재의 오존산화공정의 단점은? | 2009). 그러나 현재의 오존산화공정은 낮은 오존 용존율과 느린 물질 전달로 인해 오존의 사용율이 낮아 높은 비용이 발생한다는 단점이 있다 (Chu et al. 2008). 또한 체류시간이 짧아 반응시간이 감소하게 되고, 이로 인해 부분적인 산화반응이 이루어져 중간생성물이 잔류하게 된다 (Mestankova et al. 2016). |
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