The Water Environment Federation (WEF; Alexandria, Va.) offers the third edition of Activated Sludge and Nutrient Removal, Manual of Practice OM-9, the latest update to the popular reference for operation of the activated sludge process. The extensively revised publication provides expanded content on process control with step-by-step examples for calculations, a new laboratory chapter with detailed directions for […]
Tag Archives: Thermal oxidation
WEF Releases Biosolids Fact Sheets
August 25, 2014
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The Water Environment Federation’s (Alexandria, Va.) Residuals and Biosolids Committee has released two fact sheets created by its subcommittees. The Sustainable Residuals Use Subcommittee developed the “Phosphorus in Biosolids: How To Protect Water Quality While Advancing Biosolids” fact sheet that discusses state regulations for phosphorus and their effects on biosolids usage as well as the […]
October 20, 2017
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