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NTIS 바로가기한국물환경학회지 = Journal of Korean Society on Water Environment, v.31 no.3, 2015년, pp.253 - 261
박상진 (호서대학교 벤처전문대학원 융합공학과) , 이상혁 (호서대학교 벤처전문대학원 융합공학과)
The purpose of this study is the efficient biological treatment of highly concentrated nitrate nitrogen by calcium ion control present within the pickling wastewater. In laboratory scale's experiments research was performed using a sequencing batch reactor and the evaluation of denitrification react...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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디스플레이 산업에서 고농도의 불산(HF) 및 질산 (HNO3)의 역할은 무엇인가? | 평판 디스플레이, 스테인레스 스틸 등 유리, 금속을 원료로 하는 산업의 경우 생산과정에서 고농도의 불산(HF) 및 질산 (HNO3)을 산세액(Acid rinse solution)으로 사용하여 필연적으로 산세폐수가 발생하게 된다. 따라서 발생폐수는 고농도의 불소이온(F- ) 및 질산성 질소(NO3--N)를 함유하게 된다 (Bücker and Acker, 2012; Schmidt et al. | |
발생폐수에 포함되는 물질들은 어떤 것들이 있는가? | 평판 디스플레이, 스테인레스 스틸 등 유리, 금속을 원료로 하는 산업의 경우 생산과정에서 고농도의 불산(HF) 및 질산 (HNO3)을 산세액(Acid rinse solution)으로 사용하여 필연적으로 산세폐수가 발생하게 된다. 따라서 발생폐수는 고농도의 불소이온(F- ) 및 질산성 질소(NO3--N)를 함유하게 된다 (Bücker and Acker, 2012; Schmidt et al., 2007). | |
발생폐수를 처리하기 위한 전처리인 화학적 처리의 경우의 단점은 무엇인가? | , 2008). 그러나 화학적 처리 단계에서 불완전하게 처리된 불소 화합물(HF)이 생물학적 공정 내로 유입될 경우 미생물의 대사 작용에 영향을 미칠 수 있으며(Peng et al., 2013) 수계로 방류되어 인체에 장기간 노출될 경우 치아 반점이나 뼈 질환을 유발할 수 있다 (Drouiche et al., 2008). |
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