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The Water Environment Federation (WEF) with the North America Sustainable Phosphorus Alliance (SPA) are calling for study proposals (budget 50 000 US$) to identify and analyse phosphorus and nitrogen flow data aggregated for US and Canada wastewater treatment plants (wwtps), with the objective of establishing a mass balance for current levels of phosphorus and nitrogen flows and of recycling/reuse. The report aims to support WEF’s strategic objective to “Collaborate with water sector partners to define and create a bold, aspirational, and public call to action to accelerate resource recovery”. Data should cover influent flows to wwtps, co-digestion of other organics, wwtp effluent discharge, water reuse for irrigation, land use of biosolids, recovered phosphates, recovered energy and energy used.

“Preparation of Baseline Data to Establish the Current Amount of Resource Recovery at Water Resource Recovery Facilities (WRRFs)”, letter proposal submission deadline 28th February 2018 (5 PM EDT).

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