Sarioğlu M, Orhon D, Görgün E, Artan N
MASS Treatment Systems Construction Industry and Trade Co., Inc., Gebze Organized Industrial Region, Ihsan Dede Cad. 700.Sok., 41480 Gebze-Kocaeli, Turkey.
Water Sci Technol. 2003;48(11-12):285-92.
The contact stabilization activated sludge process (CSASP) has been adopted and applied in full scale plants treating domestic sewage. Acquiring smaller volume thereby reducing costs and achieving the same treatment efficiency as the conventional activated sludge plants are the main advantages of the CSASP. This activated sludge modification is especially ideal for small to mid-scale plants where influent wastewater contains a high fraction of particulate COD. The simulation results reveal that the same amount of mass sludge can be retained in the system with almost 30% volume reduction compared to conventional activated sludge plants. It is also found that the CSASP treatment efficiency increases when the particulate COD fraction of an influent domestic wastewater increases. The most important process component in the design of CSASP is the sludge distribution factor (alpha) which directly affects the effluent characterization. Having most of the biomass in the stabilization reactor (meaning low alpha values) decreases the nominal hydraulic retention time (thetaHN) of the system. However the sludge distribution factor must be high enough to ensure an acceptable effluent quality.
接触稳定活性污泥法（CSASP）已被采用并应用于处理生活污水的全规模工厂。与传统活性污泥厂相比，CSASP的主要优点是体积更小，从而降低成本，并实现相同的处理效率。这种活性污泥改良方法特别适用于中小型工厂，这些工厂的进水废水中含有高比例的颗粒化学需氧量（COD）。模拟结果表明，与传统活性污泥厂相比，该系统可以保留相同量的污泥，体积减少近30%。还发现，当生活污水进水的颗粒COD比例增加时，CSASP的处理效率会提高。CSASP设计中最重要的工艺组件是污泥分布系数（α），它直接影响出水特性。大部分生物质存在于稳定反应器中（即α值较低）会降低系统的名义水力停留时间（θHN）。然而，污泥分布系数必须足够高，以确保可接受的出水水质。
