The color of the secondary sludge produced from the high rate trickling filter is                        

Related MCQs

• The size of filter media in a high rate trickling filter is                        
• The organic loading in low rate trickling filter is 900 kg/hectare- meter/day. What is the efficiency of the filter?
• The recirculation ratio for the low rate trickling filter is                        
• The BOD after the filtration of sewage from the low rate trickling filter is
• The depth of the filter media of intermittent filter is                        
• The maximum size of filter media of a percolating filter is
• How many types of trickling filters are used in sewage treatment?
• The maximum depth of aeration tank used in activated sludge process is
• Which of the following filter is used in the anaerobic treatment of sewage?
• The efficiency of a percolating filter is given by