Learn about the impact of cooling tower water use in a building's potable water consumption, as well as how water treatment can reduce water consumption.
- In addition to indoor and outdoor water consumption,…the LEED rating system addresses water…used by condenser water systems.…A cooling tower uses water to remove heat by evaporation.…As the water absorbs heat it evaporates,…and the salt solids become more concentrated…in the remaining water.…To prevent this build up that may result…in significant damage to equipment,…such as corrosion or scaling,…cooling towers deposit the remaining water…which is called a blow down process.…
Then, they take in plenty of fresh water…to makeup for the losses…and repeat this process many times.…As a result, cooling towers can be responsible…for large portions of a building's total water consumption.…Cooling tower water use credit…encourages conservation of water…used for cooling tower makeup…while controlling microbes, corrosion,…and scale in the condenser water system.…The first step in reducing cooling tower water use…is engaging a water treatment specialist…to perform a potable water analysis.…
Then cooling tower water is treated according to results…
Author
Fulya Kocak Gin
Released
1/18/2019- LEED impact categories
- Smart growth vs. urban sprawl
- Alternative transportation strategies
- Sustainable site construction and design strategies
- Strategies for reducing indoor and outdoor water use
- Renewable energy production, green power, and carbon offsets
- Energy efficiency, metering, and demand response
- Building product disclosure and optimization
- Indoor air quality management design strategies
Skill Level Beginner
Duration
Views
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Introduction
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1. LEED Green Associate: Overview
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2. Environmental Impact of Buildings
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LEED impact categories6m 21s
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3. Integrative Process
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Integrative process overview5m 33s
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4. Location and Transportation
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Unpreferred locations3m 2s
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Preferred locations4m 13s
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5. Sustainable Sites
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6. Water Efficiency
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Water efficiency overview2m 21s
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Outdoor water use reduction4m 32s
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Indoor water use reduction4m 49s
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Cooling tower water use1m 59s
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Water metering1m 30s
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7. Energy and Atmosphere
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Energy consumption reduction3m 44s
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Energy metering1m 24s
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Demand Response2m 5s
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Refrigerant management2m 39s
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8. Materials and Resources
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Waste management4m 15s
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9. Environmental Quality
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Occupant comfort1m 27s
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10. Innovation and Regional Priority
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Innovation2m 10s
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Regional priority1m 13s
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Conclusion
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Next steps1m 1s
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Video: Cooling tower water use