Sustainability in action: Recycling water
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The Eaton electrical plant in Las Piedras, Puerto Rico was losing hundreds of gallons of water daily to evaporation and set a goal to reduce water usage by 10% in 2014. An employee proposed capturing rainwater and condensation in tanks to reuse for cooling towers, saving over 500,000 gallons in the first six months and reducing water usage by 10% in 2014 and a further 3% in 2015.
Sustainability in action: Recycling water
- 1. © 2017 Eaton. All Rights Reserved.. Success story: recycling water at Puerto Rico plant
- 2. © 2017 Eaton. All Rights Reserved.. 2 100s of gallons of water were lost each day to evaporation from manufacturing circuit breakers at our electrical plant in Las Piedras, Puerto Rico
- 3. © 2017 Eaton. All Rights Reserved.. 3 The facility set a goal of 10% water conservation for 2014
- 4. © 2017 Eaton. All Rights Reserved.. 4 What if a free water source existed? IT DOES
- 5. © 2017 Eaton. All Rights Reserved.. 5 ““ I had the idea that we could get free water if we captured the rain that fell on the plant’s roof and recycled the condensation from our air conditioning system. Luis Mendoza, coordinator, manufacturing maintenance Residential and Wiring Devices Division
- 6. © 2017 Eaton. All Rights Reserved.. 6 A team was assembled to create the water recycling system: • Installed two water tanks, capable of holding 2,000 gallons each • Relocated roof drain pipes and air conditioning drains to redirect water flow into the tanks • Installed pump to send reserve water to cooling towers for manufacturing • Installed screen filters to keep water clean • Added a flow meter to monitor usage
- 7. © 2017 Eaton. All Rights Reserved.. 7 In the first six months of operation, 500,000 gallons of water was saved using the water recycling system, and the plant’s total water usage was reduced by 10% in 2014, plus another 3% in 2015.
- 8. © 2017 Eaton. All Rights Reserved.. 8 ““ The water used to go down the drain. Now, it’s serving an important purpose and helping Eaton conserve its local water resources. Luis Mendoza, coordinator, manufacturing maintenance Residential and Wiring Devices Division
- 9. 9© 2017 Eaton. All Rights Reserved.. Eaton.com/Sustainability