Manariotis loannis D, Grigoropoulos Sotirios G
Department of Civil Engineering, University of Patras, Greece.
Water Environ Res. 2006 Mar;78(3):233-42. doi: 10.2175/106143005x90029.
Three 12.5-L upflow-anaerobic filters (AF), with ceramic-saddle, plastic-ring, and crushed-stone packing, were used to evaluate the sustained treatment of municipal wastewater. The reactors were initially fed dogfood-fortified wastewater and then raw municipal wastewater, and operated at 25.4 degrees C (32 months) and 15.5 degrees C (2 months). During 23 months, the AF units treated municipal wastewater (mean chemical oxygen demand [COD] 442 mg/L and total suspended solids [TSS] 247 mg/L), the hydraulic retention time (HRT) ranged from 3.1 to 0.30 d (empty bed), and the organic loading rate ranged from 0.115 to 1.82 kg COD/m3d. At the higher temperature and an HRT (void volume) of 1.0 d, COD and TSS removals ranged from 74 to 79% and 95 to 96%, respectively; however, efficiencies declined substantially at HRT values less than 0.4 d. Reactor performance, under the same hydraulic and organic loadings, deteriorated with time and was adversely affected by lower temperature.
使用三个12.5升的上流式厌氧滤池（AF），分别装填陶瓷鞍形填料、塑料环填料和碎石填料，来评估城市污水的持续处理效果。这些反应器最初投喂添加狗粮的废水，然后是未经处理的城市污水，并在25.4摄氏度（32个月）和15.5摄氏度（2个月）的条件下运行。在23个月的时间里，厌氧滤池单元处理城市污水（平均化学需氧量[COD]为442毫克/升，总悬浮固体[TSS]为247毫克/升），水力停留时间（HRT）（空床）范围为3.1至0.30天，有机负荷率范围为0.115至1.82千克COD/立方米·天。在较高温度和1.0天的水力停留时间（空床体积）条件下，COD和TSS的去除率分别为74%至79%和95%至96%；然而，当水力停留时间小于0.4天时，去除效率大幅下降。在相同的水力和有机负荷条件下，反应器性能随时间下降，并且受到较低温度的不利影响。
