The organic loading in a trickling filter is measured in ___________
(a) m^3/day
(b) gm/m^2/day
(c) Kg/hectare-meter/day
(d) Kg/hectare/day
The question was posed to me during a job interview.
My query is from Conventional Trickling Filter topic in chapter Sewage Filtration and Activated Sludge Process of Environmental Engineering