2 Ways Your Facility Can Overcome Water Scarcity
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Transcript of 2 Ways Your Facility Can Overcome Water Scarcity
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2 WAYS YOUR FACILITY CAN
OVERCOME WATER SCARCITY
4 Next Steps To Get You Started +
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Fresh, quality water is a scarce resource.
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source: droughtmonitor.unl.edu
NO DROUGHT 35%
ABNORMALLY DRY TO EXCEPTIONAL
DROUGHT 65%
of the population live in abnormally dry to
exceptional drought areas.
65% POPULATION BY
DROUGHT CATEGORY
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contained a contaminant from a geologic or manmade source at a level of potential concern for human health
source: http://water.usgs.gov/nawqa/pubs/pr in_aq/ | 6,600 Wells were sampled for this study
1 5 of every
groundwater samples
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› Reduced surface and groundwater supplies in many areas
› Inadequate local supplies and changing regional distr ibution
› Municipali t ies taking senior water r ights from long-standing industr ies
› Plants going idle or shutt ing down › More regulations driving up production
costs (e .g . , C lean Water Act Sect ion §316(b) , EPA Eff luent L imi ta t ion Guide l ines (ELG) and A i r Qual i ty Regulat ions)
What are the Impacts?
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“WHEN THE WELL'S DRY, WE KNOW THE WORTH OF WATER.”
- Benjamin Franklin
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2 RESPONSE OPTIONS
Investigate Alternative Water Supplies
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Optimize Existing Water Resources
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Investigate Alternative Water Supplies
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› Municipal wastewater
› Other industrial wastewaters
› Produced water from oil and gas fields
Recycled
Water Sources
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Thermal Desalination › Steam or hot water used to
effect ively boi l seawater
› Commercial Types: Mult i -Stage Flash Evaporat ion and Mult iple Effect Dist i l lat ion
Membrane Desalination Technology › Use of semi-permeable membranes
(Reverse Osmosis) to produce f resh water
› Commercial Types: Sea Water Reverse Osmosis (SWRO), Brackish Water RO (BWRO)
Desalination
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Optimize Existing Water Resources
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Wastewater Treatment
and Recycle Opportunities
› Cooling tower blowdown reuse
› Steam generator blowdown and condensate recovery
› Softener and filter backwashes
› Slurry line flush waters
› Storm water
› Reverse osmosis reject
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Desalination Facility Optimization:
Develop A Water Management Plan
› Treat and recycle internal process wastewater
› Capture and treat storm waters
› Minimize water consumption/wastewater production
› Prevent contamination of water sources
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NEXT STEPS
Perform a vulnerability and resiliency assessment
Conduct a water audit
Perform process integration
Determine water reuse or recycling
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Vulnerability & Resiliency
Assessment
+ Key metrics include changes in:
• Supply water quality
• Supply water availability
• Discharge limits
• Discharge volume
Other assessment metrics to consider:
• Sustainability
• Sustainable return on investment analysis (SROI)
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Water Audit
• Perform site familiarization and permit review
• Identify water processes and confirm water flow diagram
• Evaluate water data and flow measurement to identify water saving opportunities
• Conduct sampling/testing
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Process Integration
• Perform sources and sinks evaluation for improved process efficiency
• Conduct water pinch analysis and process evaluation for improved water-use efficiency reporting
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Water Reuse or Recycling?
• Evaluate treatment options leading to process reuse
• Perform bench/pilot testing for technology prove out
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SEE THESE OPTIONS IN ACTION
› Finding a reliable water source for Turkey Point
› Recycling water to stay compliant at Colstrip
Let’s work together to figure out the best option for your facility
› Contact Colleen Layman to get started