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Process and apparatus for the biological purification of waste waters which are produced seasonally in a greatly increased amount and/or with a greatly increased dirt load
Process and apparatus for the biological purification of waste waters which are produced seasonally in a greatly increased amount and/or with a greatly increased dirt load
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机译:用于生物净化废水的方法和设备,季节性生产的废水量大大增加和/或污垢负荷大大增加
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摘要
In order to be able to process waste waters (effluents) produced seasonally, e.g. in vineyards and winemakers', in a light load activation plant which is designed for the average waste water production over the entire year, the plant is equipped with an additionally connectable full load stage, composed of a trickling filter and downstream aerated auxiliary tank. The seasonal waste waters are prepurified in this by a multiple recirculation through the trickling filter and subsequent aeration in the auxiliary tank, with or without contact with the return sludge, with a degree of purification of e.g. 60 to 80%, before the waste waters, without intermediate clarification, are delivered to the light load activation stage for complete purification.
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