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11 results on '"Enrique Vadiveloo"'

10. Removal of Microconstituents in an Advanced Water Treatment Facility and Identifying Potential Water Quality Impact to Surface Canals and Groundwater

Author

Richard Cisterna, Enrique Vadiveloo, Robert Harris, Jess C. Brown, Shane A. Snyder, Zhi Zhou, Jörg E. Drewes, Erin M. Snyder, Andrew Salveson, Don Sullivan, Jose Lopez, and Hank Breitenkam

Subjects
General Engineering, Environmental engineering, Environmental science, Water treatment, Water quality, Groundwater
Published
2008
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11. A theoretical and practical evaluation of struvite control and recovery

Author

Robert Sharp, Enrique Vadiveloo, Robert Fergen, Manuel Moncholi, Paul Pitt, David Wankmuller, and Ron Latimer

Subjects
Waste management, Struvite, Ecological Modeling, Control (management), Magnesium Compounds, Pollution, Net present value, Phosphates, Water Purification, Anaerobic digestion, chemistry.chemical_compound, Testing protocols, chemistry, Models, Chemical, Environmental Chemistry, Environmental science, Waste Management and Disposal, Water Science and Technology, Resource recovery
Abstract

Struvite accumulation is a costly problem in many water resource recovery facilities (WRRFs) that use anaerobic digestion, causing significant labor and equipment costs and potentially impacting facility performance and permit compliance. A comprehensive study was undertaken to evaluate possible solutions to struvite control at two similar Miami-Dade County, Florida, WRRFs. Alternatives analyzed included periodic cleaning and repair of damaged piping and equipment; optimum ferric salt dosing, use of in situ scaling coupons; and engineered struvite precipitation. The effectiveness and cost of each alternative was evaluated using a newly constructed dynamic process model and a net present worth analysis. Results indicate that nutrient recovery was a potential benefit at both facilities. This study establishes a comprehensive process and specific testing protocols for evaluating struvite control alternatives.

Published
2013

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