The results show that the thickening technology of excessive activated sludge by flotation has more advantages, such as good thickening effect and efficient operation. In addition, the preliminary analysis in technical economy for both methods indicates that the flotation method is better.
研究结果还表明:剩余活性污泥的气浮浓缩法相比于重力浓缩法具有浓缩效果好、运行效率高等优点,另外对两种方法的经济技术分析也表明,气浮浓缩法更具有优越性。
compulsory inspection is divided into preliminary inspection, operation inspection, and temporary inspection.
强制检验分为初次检验 、 营运检验和临时检验.
英语网 · 双语娱乐资讯
英语网 · 商务英语
英语网 · 四六级英语