Stantec Inc · TSX:STN
Stantec — ACODAL 2019
25 slides from Stantec's conference presentation, May 30, 2019
Slide 1: Water Reuse: Drivers and Success
ACODAL 2019 Cartagena May 30 Water Reuse: Drivers and Success
Slide 2: Presenters: Alex Sandu and Zakir Hirani
LATAM & Caribbean Alex Sandu, PhD, PE RBL / Regional Sector Leader WATER – LATAM & Caribbean Zakir Hirani, PhD, PE Southern California Recycle Water Practice Lead
Slide 3: Groundwater Overdraft Condition
GW Overdraft Condition Recycling Waste In Orange County, Calif., the Groundwater Replenishment Groundwater Collapse System treats 70 million gal of wastewater every day and Over five decades, the ground level in California, dropped injects it into the region’s groundwater basin. by almost 30 feet be
Slide 4: Major Paradigm Shift
Major Paradigm Shift 9. Manage resources to generate value Collect wastewater, for the utility and move it quickly , its customers downstream, treat it ¢ Improve to acceptable erlrsnmmentl standards, and quality, at least cost to the community Use a holistic “one water” approach to water management
Slide 5: The Water Reuse Spectrum – End Users
The Water Reuse Spectrum – End Users
Slide 6: Challenges in Water Reuse
"We know that the technologies exist to Challenges in create water that is equal to or better than Water Reuse many source water qualities," BUT Organics • Treatment requirements Contact • Need for criteria for pathogen and chemical control Brine stream for discharge • On-line monitoring • Performan
Slide 7: Southern California, USA
Southem Califomia, USA bay area central valley gold coast san diego imperial valley
Slide 8: Drivers for Water Reuse
Drivers for Water Reuse Liquids Treatment / Reuse • Limited fresh water supply • Increasing population and domestic water needs • Upcoming stringent wastewater effluent nutrient regulations • Depleting groundwater aquifers resulting in land subsidence • Sustainability of water supply • Industrial ap
Slide 9: Treatment Levels for Various Reuse Applications
Treatment Levels for Various Reuse Applications Source: California Department of Water Resources
Slide 10: Treatment Needs for Various Reuse Applications
Treatment Needs for Various Reuse Applications Source: California State Water Resources Control Board
Slide 11: Stantec Projects with Major Clients in SoCal
Stantec Projects with 2 Major Clients in SoCal • Metropolitan Water District (MWD) of Southern California • 19 Million Users • 0.5 MGD (80 m3/hr) Advanced Water Treatment (AWT) Demonstration Facility • 150 MGD (23,655 m3/hr) AWT Facility at the Joint Water Pollution Control Plant: MBR + RO + AOP fac
Slide 12: Metropolitan Water District (MWD) of Southern California
Metropolitan Water District (MWD) of Southern California
Slide 13: MWD's Advanced Water Treatment (AWT) Facility
MWD’s Advanced Water Treatment (AWT) Facility • Will be the largest AWT Facility in the world when fully implemented • Will produce 150 MGD (23,655 m3/hr) of recycled water to recharge four groundwater basins in Los Angeles and Orange County • Will be first in the U.S. to implement MBR – RO – AOP pr
Slide 14: Location of AWT Facility at JWPCP
Location of AWT Facility at JWPCP
Slide 15: MWD's AWT Demonstration Facility
MWD’s AWT Demonstration Facility Stantec designed the demonstration facility; construction to be complete by the end of this year • Construction Cost - $13.8M • Design Fees - $2.5M
Slide 16: City of Los Angeles
City of Los Angeles
Slide 17: Hyperion WRP - AWT Facility
Hyperion WRP - AWT Facility • 70 MGD of Hyperion’s 450 MGD capacity will be converted from HPOAS to MBR during the first phase • High quality effluent to be further treated with RO and AOP for IPR • MBR at Hyperion will allow eliminating Ozone + MF at West Basin MWD • City plans for full reuse of Hy
Slide 18: Location of AWT Facilities at Hyperion WRP
Location of AWT Facilities at Hyperion WRP Production Facility Demonstration Facility
Slide 19: Hyperion WRP - AWT Production Facility
Hyperion WRP - AWT Production Facility Stantec serving as owner’s engineer on the 1.5 MGD Hyperion Advanced Water Purification Facility for LAX High Quality Water Needs
Slide 20: Multiple Sources
Multiple Sources
Slide 21: Santa Monica Sustainable Water Infrastructure Project (SWIP)
Stantec Santa Monica Sustainable Water Infrastructure Project (SWIP) SMURRF Challenges: • Combination of technology • Health regulations
Slide 22: Indirect Potable: Ozone-BAC: Alternative to RO AWTF
Indirect Potable: Ozone-BAC: Alternative to RO AWTF • Most refractory organics destroyed, not concentrated in brine stream • No brine stream generated needing treatment and/or disposal • Lower capital cost • Lower energy utilization and O&M cost
Slide 23: Why Ozone-BAC Treatment Trains for Inland Locations?
Why Ozone-BAC Treatment Trains for Inland Locations? Sundaram, V., Emerick, R.W., Enloe, J.P., Curtis, J.R., Shumaker, S.E., (2010). Saving Energy and Costs on Microconstituent Removal and Inland Desalination. Proceedings of the WaterReuse Annual Symposium.
Slide 24: Potable Reuse Approaches
Potable Reuse Approaches Source: The Water Reuse Roadmap Ch. 7
Slide 25: Environmental Enhancement/Restoration
ENVIRONMENTAL ENHANCEMENT/RESTORATION