Disinfection and Fresh-Keeping of Rainwater in Small Scale Cisterns
Various disinfectants are examined in a study for disinfection and fresh-keeping of collected rainwater in cisterns in arid areas of China. Among the tested disinfectants (chlorine, ozone, chlorine dioxide, potassium permanganate, chloramines and hydrogen peroxide etc.), chlorine dioxide has proved to be the most feasible and effective oxidant for drinking water storage and disinfection of rainwat