运移式滤器构制及其生物膜培养期间硝化性能
发布时间：2018-10-05 10:18
【摘要】：探讨了运移式简易滤器构制、亲虾池循环水培养生物膜可行性及其硝化性能。实验以常用滤料(沸石+纤维球+生化环=30.9 kg)与塑料桶(70 L)制成两个相同简易生物滤器Ⅰ、Ⅱ,滤器置于手推车可运移于车间各处净化池水。以亲虾越冬池(4 m~3)循环水(0.231、0.138 m~3/h流量)可简便培养滤器生物膜与有效净化虾池水质。结果表明:约经17 d以循环虾池水培养生物膜获成熟,并能有效降低池水TAN、NO_2~--N浓度;实验37 d,两滤器对TAN平均去除率分别为40.23%与45.3%,对NO_2~--N为58.4%与65.1%;两滤器TAN平均去除速率分别为0.138、0.081 mg/(m~2·d),NO_2~--N平均去除速率为0.053、0.035 mg/(m~2·d)。滤器Ⅰ与Ⅱ均具较强处理TAN、NO_2~--N的硝化能力,且无显著差异(P0.05)。
[Abstract]:The feasibility and nitrification performance of biofilm culture in shrimp pond were discussed in this paper. In this experiment, two identical simple biofilters (I, II) were made from common filter material (30.9 kg) and plastic drum (70L). The filter can be moved in the workshop by trolley. The filter biofilm can be cultured simply and the water quality of shrimp ponds can be effectively purified by using the circulating water (0.231m ~ (0.138) m ~ (-1) / h) in the parent shrimp wintering pond (4 m ~ (3). The results showed that the biofilm was matured and the concentration of TAN,NO_2~--N was decreased effectively after 17 days of culture in the water of the shrimp ponds. The average removal rate of TAN was 40.23% and 45.3% for both filters and 58.4% and 65.1% for NO_2~--N, respectively, and the average removal rate of TAN for the two filters was 0.138 mg/ (m ~ 2 d) and 0.0530.035 mg/ (m ~ (2) d).), respectively. Both filter 鈪，
本文编号：2253013
[Abstract]:The feasibility and nitrification performance of biofilm culture in shrimp pond were discussed in this paper. In this experiment, two identical simple biofilters (I, II) were made from common filter material (30.9 kg) and plastic drum (70L). The filter can be moved in the workshop by trolley. The filter biofilm can be cultured simply and the water quality of shrimp ponds can be effectively purified by using the circulating water (0.231m ~ (0.138) m ~ (-1) / h) in the parent shrimp wintering pond (4 m ~ (3). The results showed that the biofilm was matured and the concentration of TAN,NO_2~--N was decreased effectively after 17 days of culture in the water of the shrimp ponds. The average removal rate of TAN was 40.23% and 45.3% for both filters and 58.4% and 65.1% for NO_2~--N, respectively, and the average removal rate of TAN for the two filters was 0.138 mg/ (m ~ 2 d) and 0.0530.035 mg/ (m ~ (2) d).), respectively. Both filter 鈪，
本文编号：2253013
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