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Lab Pilot Scale Studies for the EPA Ferrate Project

Sampling and laboratory-scale pilot treatment of 6 different raw waters, each representing a municipal source water. These are treated in continuous flow systems in the laboratory with varying levels of ferrate and subject to scaled-down version of the full treatment. Each system has its own unique water quality and treatment needs. Refer to the Lab Pilot-scale Testing Plant for more detail.


Lab Pilot-scale Testing Plan for EPA Ferrate
# Source Sampling Date Notes Results
P Stockbridge, MA 10/2/2013 FTT-no DBPs  
1 Amherst, MA 1/6/2014 Atkins  
2 South Deerfield, MA March 2014?    
  Tewksbury, MA ?      
  Lantern Hill, CT ?      
  St. Armand, QUE ?      
  Rutland, VT ?      
  Seekonk, MA ?      
  Readsboro, VT ?      



            For these tests, we will select six of the utilities that were studied at bench-scale.  Large volume (~325 gal) samples will be collected in a truck-mounted polyethylene tank and transported to the UMass laboratory on a daily basis or as needed.  These will be spiked with the challenge compounds and the water will be pumped through a continuous flow pilot with two parallel trains.  We will select unit sizes depending on the particular treatment sequence in the full-scale plant.  For example, rapid media filters may be simulated in 2, 3 or 4 inch columns allowing run lenghts up to 62 hrs, 27 hrs or 15 hrs, reapectively. These filters will be packed with actual media from the plant, acquired with a cylindrical coring device driven into the fluidized bed during backwash.  The filters will be fitted with manometers so that headloss can be monitored at various depths. Parameters to be measured will include those used for the bench-scale studies (e.g., DOC, UV abs, turbidity, Fe, Mn, pesticides, PPCPs, EDCs, DBPs, and residual ferrate).  In addition, we will be monitoring headloss buildup during each filter run.  The laboratory-scale pilot studies will be run repeatedly until sufficient data is acquired to assess performance regarding water quality, likely filtration run time, biodegradation in the filters and sludge production.

For more on Analytical Protocols for this project click on:

Laboratory Tests Analytical Methods
Ferrate Treatment Ferrate Residual
DBP Precursor Testing TOC


This project is funded through the USEPA's STAR program. It is partnered with Haskell Indian Nations University.Logo