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In order to choose a reasonable material and thus to improve the quality of storage rainwater through studying the effects of different cellars materials on the self-purification of storage rainwater, the research studied the law of storage rainwater change over time in simulation cellar of red clay, cement and mixed materials respectively. The results showed that with the proceeding of water self-purification...
Nowadays sludge bulking is still a serious problem that can disturb the daily operation of activated sludge process in the sewage plants. In this paper, the study on controlling sludge bulking by adding kaolin was introduced. The results showed that adding of the kaolin can control sludge bulking effectively and rapidly. When the dosing quantity of kaolin was 1000 mg/L, the SVI decreased from 330...
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