Project #4916

The Impact of Pre-Chlorination and GAC Treatment on DBP Formation and Overall Toxicity in Drinking Water

$417,062
In Progress
Principal Investigator
Matias
Attene-Ramos
Research Manager
Dr. Djanette Khiari
Contractor
George Washington University
Disinfection Byproducts (DBPs)
Source & Receiving Waters
Advanced Treatment
Biofiltration

Abstract

This project will investigate the impact of granular activated carbon (GAC) with and without pre-chlorination on disinfection byproduct (DBP) formation and the resulting toxicity of drinking water using appropriate bioassays. A systematic evaluation of source water bromide and iodide concentrations, disinfection pH, and degree of GAC breakthrough will be conducted at the pilot-scale. In addition, DBP formation and toxicity will be analyzed at full-scale plants that use 1) GAC to treat groundwater, surface water, and potable reuse water; 2) ozone and biological filtration to treat surface water; and 3) aeration to strip volatile DBPs.