In conclusion, thermal drying of wastewater solids has proven to be a safe, reliable, environmentally acceptable, cost effective and sustainable processing technology that can produce a high quality bio solids product suitable for use as a fertilizer on agricultural and horticultural lands. Furthermore, in comparison with other solids processing alternatives, thermal drying is one of the most environmentally and socially acceptable means of achieving beneficial reuse of wastewater solids.

Reprinted with Permission from Water Environment Federation: Alexandria, Virginia;

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