UMass Environmental Engineering Research Project

“Development of a Chemical Treatment Model for Desalting Membrane Residuals”

Principal Investigators:• Kenneth Mercer (PhD student),

John TobiasonSponsors• NWRI-Cargill Fellowship• Switzer Foundation FellowshipDuration: 9/05 – 8/08Synopsis: Bench-scale chemical

treatment by coagulation and/or softening of high ionic strength concentrates produced by desalting membranes. Goal is removal of trace contaminants and organic matter. Chemical quilibrium modeling of treatment processes.

Status: Expected 08/08 completion

• Presentations at AWWA WQTC 2006, 2007

• Presentation at ASCE/EWRI Conference, Tampa, May 2007

• Presentation at 12th Gothenburg Symposium on Chemical Treatment of Water and Wastewater, Ljublana, Slovenia, May 2007