The range of organic loading in kg/hectare metre/ day in a high rate trickling filter is ___________
(a) 6000-18000
(b) 10000-20000
(c) 5000-10000
(d) 900-2200
I had been asked this question in an interview for job.
My doubt is from High Rate Trickling Filter and Secondary Clarifier topic in section Sewage Filtration and Activated Sludge Process of Environmental Engineering