you can prevent biological ...
Published by Amin Waly, 20,elhendawe st. samahah, Samannod/Gharbiah/Egypt
you can prevent biological growth in ETP & R.O. effluent , by chlorination disinfection process , for ETP , the chlorine dose is such that , the residual chlorine after 30 min contact time is 3 to 5 ppm and for R.O 0.5 to 1.00 ppm