The Effect of Various Oxidants on the Performance of Activated Carbon used in Water Reclamatoin

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Abstract
Pilot plant studies were conducted in parallel to determine the effect of pre-chlorination, pre-ozonation and pre-oxygenation on biological activated carbon (BAC). Pre-ozonation resulted in longer life for the activated carbon treating high quality secondary effluent but not when treating primary effluent clarified with alum. The effect is probably due to a relative increase in the proportion of biodegradable to non-biodegradable compounds in the secondary effluent. Oxygenation and chlorination did not discernibly extend activated carbon life.