What is the optimum temperature at which anaerobic digestion is carried out?

Sand drying bed is used for filtration.

What is the thickened concentration of the trickling filter sludge?

What is the percentage of Carbon dioxide produced during anaerobic digestion?

What is the volumetric organic loading in Kg COD/ m3 day for an anaerobic sequence batch reactor?

The liquid has high contents of phosphorus and nitrogen, if the sludge has been______

What is the percentage of thickness that the sludge should have to undergo additional treatment?

What is the thickened concentration of the primary sludge?