Resource recovery transforms public cost into $$$

Water and wastewater treatment plants consume seven percent of the world's generated electricity. Tapping this renewable resource would significantly reduce energy costs and carbon footprint in many applications.

A nutrient removal technology developed by a Canadian company, Ostara Nutrient Recovery Technologies, Inc., removes struvite, a compound containing phosphorus and ammonia, from sewage and produces a slow-release fertilizer that improves the quality of agricultural runoff. In July 2011, a public-private partnership between Thames Water and Ostara started up a nutrient recovery facility at Slough Sewage Treatment Works that both parties consider a classic "win-win" situation.

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