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NTIS 바로가기Korean journal of microbiology = 미생물학회지, v.48 no.3, 2012년, pp.192 - 199
강시온 (한국생명공학연구원 환경바이오연구센터) , 김병혁 (한국생명공학연구원 환경바이오연구센터) , 신상윤 (한국생명공학연구원 환경바이오연구센터) , 오희목 (한국생명공학연구원 환경바이오연구센터) , 김희식 (한국생명공학연구원 환경바이오연구센터)
Microalgal biotechnology has gained prominence because of the ability of microalgae to produce value-added products including biodiesel through photosynthesis. However, carbon and nutrient source is often a limiting factor for microalgal growth leading to higher input costs for sufficient biomass pr...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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도시하수처리란 무엇인가? | 특히 산업·축산폐수 및 도시하수로 인한 수질오염 문제가 심각해지고 있으며 하수처리를 통한 수질정화의 필요성이 높아지고 있다. 도시하수처리는 하수 중에 고형물 또는 용해 되어 있는 오염물질을 제거하는 것이며 하수가 처리되지 않은 상태로 하천이나 호수, 바다 등에 방류되면 부패에 의한 산소의 감소, 수중생물의 폐사, 부식성 찌꺼기의 퇴적 등을 초래하여 수질을 악화시킨다. 특히 하수 중의 질소와 인 성분은 하천 및 호수의 부영양화를 초래한다. | |
미세조류를 이용한 처리 공정이 하수처리공법이 적용·시도되고 있는데, 이때 미세조류는 어떤 역할을 하는가? | , 2000; Rectenwald, 2000). 하수처리에 이용되는 미세조류는 광합성을 통해 이산화탄소 등을 이용하여 하수 내의 유기물과 질소, 인 성분을 흡수하여 성장할 수 있기 때문에 환경오염물질을 제거함과 동시에 유용한 바이오매스를 생산할 수 있다 (Wilkiea and Mulbry, 2002). 하수처리 과정에서 생산되는 미세조류는 단백질 함량이 높아 고단백 가축사료와 어류의 먹이로도 활용할 수 있다(Soeder, 1980). | |
막분리 (membrane bioreactor) 공법의 장점은 무엇인가? | , 2009). 막분리 (membrane bioreactor) 공법은 2차 침전 및 여과 소독공정이 불필요하고 짧은 체류시간으로 인해 부지면적이 작으며, 고농도 MLSS 유지 및 높은 SS 제거율과 기존 활성슬러지법에 비해 슬러지 발생량이 작은 장점이 있다(Gander et al., 2000; Melin et al. |
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