Anjithan, K.; Athapattu, B.C.L.; Ratnayake, N.; Udamulla, L.A.
(Sri Lanka Association for the Advancement of Science, Colombo 07, 2015-12-01)
Sludge of water treatment works remains an inescapable byproduct of the treatment
process. Sludge, which is regarded as a waste, is in a particulate or gelatinous form
consisting of varying concentrations of microorganisms, ...