레포트 (17)
[환경공학] 활성슬러지(Conventional Activated Sludge System) 공정(영문)
wastewater goes through the system, BOD and organics concentration are greatly reduced. Variations to this method include: adding return sludge and/or in decreasing amounts at various locations along length of the tank; wastewater BOD is reduced as it passes through tank, and air requirements and number of bacteria required also decrease accordingly. Complete Mix: wastewater may be immediately
19페이지 | 1,700원 | 2010.09.08
wastewater, is very similar to the natural decomposition that would occur if wastewater was released directly into Winnipegs rivers. Bacteria would feed on the organic materials and break them down, using up the oxygen in the water. This would decrease the oxygen in the river, so that healthy populations of fish and aquatic life could not live there. As these organic materials decomposed and cau
31페이지 | 2,400원 | 2011.02.08
Agency should be aware of the seriousness, and petition to the government about this problem. Also they should establish an environmental policy to regulate the fertilizer, domestic sewage, and industrial wastewater that are causes of the eutrophication, and critical problem of the Baltic Sea. Water is precious resource because only a small amount is freshwater that safe for human use.1
3페이지 | 3,000원 | 2023.08.02
bacteria &Reduce solids.혐기성 소화는 불필요한 박테리아를 제거하고 솔리드를 줄여줍니다.소화조에서는 메탄 가스가 생성되고 슬러지의 나쁜 냄새를 없애주게 됩니다.이 때 생성된 메탄 가스는 발전기나 보일러 등의 연료로 사용되어서 연료를 재활용할 수 있게 합니다.30일 후에 소화조 속의 슬러지
62페이지 | 3,000원 | 2012.05.21