A/O法处理城市污水中有机物的迁移转化

TRANSFER AND TRANS FORMATION OF THE ORGANIC COMPOUND IN THE PROCESS OF TREATING MUNICIPAL WASTEWATER

本文通过实验方法对 A/ O工艺处理城市污水过程中有机物的迁移和转化情况进行了研究。实验的主要方法是将原水、出水及活性污泥用乙酸丁酯萃取 ,萃取相经过真空浓缩后 ,用色谱—质谱 (GC/ MS)法对样品中的有机化合物进行了测定。测定结果表明 ,A/ O工艺处理城市污水过程中 ,活性污泥对有机物的吸附作用是主要的 。

In the present paper, transfer and transformation of some organic compounds are discussed during the process of the municipal wastewater treatment by the experiment methods. The A/O technology is widely used in the treatment of the municipal wastewater. The experimental method is that the sample of the primary water, the treated water and the active sludge are prepared by means of extraction of n butyl acetate as the extraction agent, enrichment under vacuum. Then the test methods such as GC/MS are used in determination of the organic compounds in the samples. The results show that there are five kinds of organic compounds in the primary water. They are ester, organic acid, alkane, cholesterin and other organic compounds. There are three kinds of organic compounds in the treated water. They are ester, alkane and other organic compounds. In the active sludge, there are five kinds of organic compounds. They are ester, organic acid, alkane, cholesterin and other organic compounds. There are 18 percent ester in the active sludge are not found in the primary water. So the conclusions obtained are that the sorption of the active sludge is primary and degradation is secondary.