The BOD after the filtration of sewage from the low rate trickling filter is

Related Questions

• The organic loading in low rate trickling filter is 900 kg/hectare- meter/day. What is the efficiency of the filter?
• The size of filter media in a high rate trickling filter is                        
• The recirculation ratio for the low rate trickling filter is                        
• The color of the secondary sludge produced from the high rate trickling filter is                        
• How many types of trickling filters are used in sewage treatment?
•                is the ratio of volume of recirculated sewage to the raw sewage.
• Which of the following filter is used in the anaerobic treatment of sewage?
• The depth of the filter media of intermittent filter is                        
• The maximum size of filter media of a percolating filter is
• The maximum BOD removal efficiency of an oxidation pond is