Altamonte Springs Florida Direct Potable Reuse Demonstration System. David Ammerman Pranjali Kumar Andrew Salveson
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1 Altamonte Springs Florida Direct Potable Reuse Demonstration System David Ammerman Pranjali Kumar Andrew Salveson
2 March Board Meeting_V1.ppt/2 City of Altamonte Springs, St Johns River WMD, Carollo Engineers, Southern Nevada Water Authority, UC Davis, BioVir Laboratories, Trussell Technologies, Pace Analytical, Xylem, Trojan, BiWater, Toray, Calgon Carbon
3 Advanced Treatment Facilities can Meet Water Quality Goals Without RO Pilot Sample Point Secondary Filtered Effluent Ozone (Xylem) Biofiltration (Xylem) March Board Meeting_V1.ppt/3 Ultrafiltration (Toray/BiWater) GAC Filtration (Calgon) UV AOP (Trojan)
4 Potable Water Reuse Requires Multiple Barriers for Reliable Purification Target WWTP Ozone BAF UF GAC UV AOP Protozoa X potential potential X X Virus X X potential X X MCLs X X X X X CECs X X X X X March Board Meeting_V1.ppt/4
5 Pathogen Sampling Defines Required Virus and Protozoa LRVs March Board Meeting_V1.ppt/5 Target is annual risk of infection <1/10,000
6 O₃ No ozone residual means little to no ozonated DBPs Nitrosamines Bromate March Board Meeting_V1.ppt/6
7 BAF No chemicals added to enhance filtration Recent projects have demonstrated enhanced performance by doing so. March Board Meeting_V1.ppt/7
8 UF High feed quality results in no chemical cleans after 9 months of operation. ~ LRV Seeded Virus after 9 months of operation without a single repair March Board Meeting_V1.ppt/8
9 UF March Board Meeting_V1.ppt/9
10 UV Challenge Studies Show Dose of 800+ mj/cm mj/cm 2 required for 6 log EVERYTHING March Board Meeting_V1.ppt/10
11 Pathogen Challenge Testing Documents Robust LRVs Virus Giardia Crypto. Ozone 4.4-log BAF + + UF 2.5-log 4.6-log 4.6-log GAC UV AOP (high-dose) 6-log 6-log 6-log March Board Meeting_V1.ppt/11 Totals 12.7-log 10.6-log 10.6-log
12 Pathogen Removal Far Exceeds Treatment Goals Virus Giardia Cryptosporidium Pathogen Removal Required Pathogen Removal Provided Cultured Virus 5.8-Log 4.2-log 3.9-log Gene Copy 11.2-Log 12.7-log 10.6-log 10.6-log March Board Meeting_V1.ppt/12
13 Total Organic Carbon Removal, Step by Step March Board Meeting_V1.ppt/13
14 Contaminants of Emerging Concern are Removed in purealta s Treatment Barriers March Board Meeting_V1.ppt/14 Representative sample from sampling event in April 2017
15 Extensive Testing of purealta Provides Confidence in Removal of Chemical Pollutants purealta Feed Water 69% 31% purealta Finished Water 8% 92% Not Detected Detected Not Detected Detected March Board Meeting_V1.ppt/15
16 CECs, PPCPs, PFCs are Removed Through the purealta Data shows results from 6 sampling events in 2017 O₃+BAF Anxiolytic: Treats tension, anxiety, nervousness March Board Meeting_V1.ppt/16
17 CECs, PPCPs, PFCs are Removed Through the purealta Data shows results from 6 sampling events in 2017 O₃+BAF Nondetect results March Board Meeting_V1.ppt/17
18 CECs, PPCPs, PFCs are Removed Through the purealta Data shows results from 6 sampling events in 2017 O₃ Antibiotic: Treats/prevents infections March Board Meeting_V1.ppt/18
19 CECs, PPCPs, PFCs are Removed Through the purealta Data shows results from 6 sampling events in 2017 O₃ March Board Meeting_V1.ppt/19 Treats depression, OCD, bulimia nervosa, and panic disorder
20 CECs, PPCPs, PFCs are Removed Through the purealta Data shows results from 6 sampling events in 2017 O₃+BAF March Board Meeting_V1.ppt/20
21 But What About Unknowns? March Board Meeting_V1.ppt/21
22 Leading Edge Analytics: Using the Bioassay to Tackle Unknowns Estrogen like chemicals Glucocorticoid/ progesterone like chemicals Androgen like chemicals Dioxin like chemicals Genotoxicity Cytotoxicity March Board Meeting_V1.ppt/22
23 Bioassays Indicate Bioactivity is Eliminated Through the Pilot Processes March Board Meeting_V1.ppt/23 Human Estrogen Receptor Alpha Responsive Bioassay for Detection of Estrogenic Chemicals
24 Bioassays Indicate Bioactivity is Eliminated Through the Pilot Processes March Board Meeting_V1.ppt/24 Human Estrogen Receptor Alpha/Beta Responsive Bioassay for Detection of Estrogenic Chemicals
25 Bioassays Indicate Bioactivity is Eliminated Through the Pilot Processes March Board Meeting_V1.ppt/25 Human Androgen Receptor Responsive Bioassay for Detection of Androgen Chemicals
26 Bioassays Indicate Bioactivity is Eliminated Through the Pilot Processes March Board Meeting_V1.ppt/26 Human Glucocorticoid Receptor Responsive Bioassay for Detection of Glucocorticoid/Progesterone-like Chemicals
27 Bioassays Indicate Bioactivity is Eliminated Through the Pilot Processes March Board Meeting_V1.ppt/27 Human Progesterone Receptor Alpha/Beta Responsive Bioassay for Detection of Progesterone-like Chemicals
28 Bioassays Indicate Bioactivity is Eliminated Through the Pilot Processes March Board Meeting_V1.ppt/28 Human Ah Receptor Responsive Bioassay for Detection of Dioxine-like Chemicals
29 Summary
30 What Might the First DPR System in California Look Like? Target WWTP O₃ BAC UF RO UV AOP WTP (Free Chlorine & UF) Protozoa X potential potential X X X X Virus X X potential X X X MCLs X X X X X X CECs X X X X X X March Board Meeting_V1.ppt/30
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