This powerpoint presentation begins by providing a brief overview of the Groundwater Recovery Enhancement and Treatment (GREAT) Program formed by regional water agencies including the
City of Oxnard/Port Hueneme Water Agency/United
Water Conservation District/Calleguas Municipal Water
Supply District to address water supply challenges. GREAT Program
objectives were to:
construct regional groundwater desalter to serve
Oxnard and Port Hueneme;
construct recycled water system to serve agricultural users and
prevent seawater intrusion; and,
convey desal concentrate to enhance
coastal wetlands at Ormond Beach. California
Recycled Water Regulations for groundwater (GW) recharge are presented, along with AWPF process schematic, microfiltration (MF)/ultrafiltration (UF) technology selection, feedwater disinfection, feedwater pre-coagulation
impact on MF fouling index and flux, reverse osmosis (RO) uses phased
incorporation of large diameter
elements, ultraviolet (UV)/advanced oxidation process (AOP), and concentrate treatment wetlands. Brackish concentrate pilot study findings include:
ecosystem viability;
healthy plant communities, fish;
treated water quality;
nutrient/metals loss, net mass removal of virtually all
measured parameters;
effluent is ecologically safe;
removal to below ecological thresholds for Se, NO<sub>3</sub>;
WET testing showed decreases in both acute and
chronic toxicity to indicator organisms; and,
combination of systems in series can improve
treatment efficiency. Includes tables, figures.
| Edition : | Vol. - No. |
| File Size : | 1
file
, 5.1 MB |
| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages : | 34 |
| Published : | 11/01/2009 |
