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Blog Entry
WaterHub system celebrates 5 Year Anniversary in Atlanta.

Sustainable Water Newsletter Summary April 17th marked five years of operations for our WaterHub system in Atlanta, Georgia at Emory University. Since commissioning, this system has supplied over 300 million gallons of reclaimed water to the University's utility operations. The first...

Blog Entry
Empower Saves 326 Million Gallons of Potable Water in 2019

Construction Week Summary The UAE’s Emirates Central Cooling Systems Corporation (Empower) has saved 326 million gallons of potable water in 2019, which is equivalent to the amount of water in 593 Olympic swimming pools. In comparison, Empower reported a total water saving of 305 million...

Library Entry
Advancements In Boiler Water Internal Treatment Technology

Summary Waterside scale deposits in steam boilers can have a dramatic impact on fuel efficiency, boiler structural integrity, and maintenance costs for the steam plant operation. In severe cases, waterside scale accumulations can cause boiler tube failures due to overheating, restriction of...


Library Entry
Improving Water Efficiency Through Capacitive Deionization

Summary Capacitive Deionization technology is used to reduce dissolved ion concentration, thus lowering the makeup water conductivity prior to use in an evaporative cooling system. A typical 50% ion reduction allows the operating cycles of concentration to be safely doubled. Track 4D: Water...


Library Entry
The WaterHub® - Sustainable Utility Management Through Water Reclamation and Reuse

Summary The Virginia WaterHub® is producing 650,000 GPD of Level 1 Reclaimed Water per State of Virginia standards for a Fortune 100 and FDA regulated manufacturer. The system is expected to decrease total potable water use by up to 40% and total wastewater discharge by up to 70%. Track 4D:...


Library Entry
Direct Non-Potable Water Reuse in the Northeastern US – A Resource for Campus Energy Facilities

Summary Over thirty blackwater reuse systems produce fit-for-purpose non-potable water in the Northeast, and some have been online for more than 25 years. The high cost of water and wastewater services and the increased need for resiliency against droughts (anticipated to be more severe due to...


Library Entry
How Real-Time Hydraulic Modeling Enables Optimization at UBC

Summary Case study how UBC based on real-time distribution system hydraulic modeling gained detailed control of the operation, system optimization path, system expansion, system bottle necks, among others of their hot water based district energy system, to secure the pay-back of the $88M...

1D.3_Lund Hansen.pdf

Blog Entry
Empower Sets Clear Vision to Keep Up With Urban Growth, Preserve Natural Resources

Emirates News Agency Summary Emirates Central Cooling Systems Corporation, Empower, confirmed that district cooling service is among the globally approved solutions by the UN, to help preserve the environment by efficiently saving energy and water every year. The technology plays a major...

Blog Entry
Water from Powell Street BART station to heat downtown San Francisco

Theophile Larcher, San Francisco Examiner Summary A new water recycling project unveiled Tuesday using water drained from the Powell Street BART station to generate energy is expected to save around 30 million gallons of water a year. The San Francisco Public Utilities Commission on...

Blog Entry
UBC's water use, emissions plummet as sustainability solutions take hold

Summary UBC has increased enrollment by 24,000 students over the last 20 years while reducing annual water consumption on the campus by 50 percent, a whopping 272 million litres in total. That is a reduction of 69 per cent per-capita for the equivalent of about 47,000-plus full-time...