EAC has reduced its water consumption by a huge 32 % over the past two years. If you consider that the workforce at the site has grown during this time, the savings are even more impressive, as more people consume more water—for example in the sanitary facilities. One measure EAC introduced is collecting condensation from air conditioning systems. Within one month, around 16,000 liters of water can be collected in this way, which can be used to water the plants and clean the filters of the water treatment system. In addition, part of this amount flows into the toilet flushing system, reducing the use of fresh water.
EAC develops and produces systems and electronic controls for household appliances—especially for washing machines. These are subjected to life cycle testing on site, for which the team has managed to close the water cycle. The approach: the washing machine washes towels for test purposes— originally with fresh water. The wash water is collected in a tank, filtered, and treated, which means that it can be reused in a closed circuit for the washing machine life cycle tests.
To shorten the downtimes of the water treatment system, the employees came up with something else: filter drum systems clean the water from the lint that enters the water when the towels are washed —so the lint can no longer cause clogging and damage to the treatment system.
The team uses special software to monitor water consumption in the company. Among other things, this records the consumption history and the current consumption, and triggers an alarm if EAC exceeds the defined daily target. In addition, the software immediately identifies possible leaks—six sensors were installed in the washing machine room specifically for this purpose. In the event of a water leak, the software automatically shuts off the power. The system also records the amount of rainwater that can be collected and analyzes where the water can be used.
So the EAC team has already achieved a great deal—but they aren’t thinking of stopping. Although it is becoming increasingly difficult to save even more water, the committed employees still see potential in some areas and are already working on new measures. For example, they are currently thinking about how to further reduce consumption when cleaning the water.
Examples of water-saving measures:
- Water savings by reusing condensation and closing the water circuit for the washing machines at E.G.O. Appliance Controls, S.L.U., Barcelona, Spain
- Closing of the cooling circuit in thermostat production at E.G.O. Elektro-komponente d.o.o., Zagreb, Croatia
Water withdrawal in regions without water stress
Water withdrawal in regions with water stress
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