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EREK database of resource efficiency

Measures, Technologies and Good Practices

Do you want to know how much different measures and technological solutions would cost and how much money and resources they can save for your business? This database offers such data in a concise and comprehensive format.

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Technology

Waterless urinals

The best solution to reduce water consumption for urinal flushing is to install waterless urinals. They operate using chemical-impregnated plastic pads, or a spring-loaded trap and a floating layer...
Sector / Industry:
  • All sectors
Resources:
  • Water
  • Waste
Costs, savings, and payback time: Low cost 1 - 3 Year(s)
Good practice

Eco-friendly hostel in Estonia

 Circular economy, the Green Key to being more eco-friendly Small hostel finds simple and cost-effective eco-friendly measures make all the difference in the circular economy Measures covering...
Sector / Industry:
  • Hotel and restaurant
Resources:
  • Energy
  • Materials
  • Water
  • Waste
Costs, savings, and payback time: Low cost
Measure

Efficient water fittings in guest areas

Water consumption in public spaces is highly variable, and depends on the services offered and the number of visitors on any given day. Installation of efficient fittings, selected through 'green'...
Sector / Industry:
  • Hotel and restaurant
Resources:
  • Energy
  • Water
Costs, savings, and payback time: Low cost 0 - 1 Year(s)
Technology

Reducing microfibres in textile sector wastewater

Watershed moment for microfibres Microfibres shed by synthetic textiles during washing are currently in the spotlight, especially their impact on aquatic ecosystems. Researchers are investigating...
Sector / Industry:
  • Textile and clothing
Resources:
  • Water
Costs, savings, and payback time: Low cost
Technology

Enzymatic treatments in textile wet processing

The wet processing of textiles is energy and water intensive, as well as requiring the use of numerous chemicals. Wet processing steps, depending on the textile product, can include sizing, desizing...
Sector / Industry:
  • Textile and clothing
Resources:
  • Energy
  • Materials
  • Water
  • Waste
Costs, savings, and payback time: Low cost
Measure

Retrofitted water-saving toilet cistern

Flushing toilets use vast quantities of water in the workplace. Toilets installed before 1991 typically use 9 litres per flush, while those installed after that date typically use 6-8 litres. Cistern...
Sector / Industry:
  • All sectors
Resources:
  • Water
Costs, savings, and payback time: Low cost 0.16 - 0.25 Year(s)
Measure

Monitoring water consumption in office buildings

Why monitor your water consumption? Saving water and associated costs begins with an accurate assessment of current consumption. Knowing how much water you use, as well as when and why you are using...
Sector / Industry:
  • All sectors
  • Office and administration
Resources:
  • Water
Costs, savings, and payback time: Low cost 5-40 % 0 - 1 Year(s)
Measure

Water minimisation in food processes

Water is often an undervalued resource. Organisations and their employees have little or no idea how much water they use, or the amount of money that could be saved by using water more efficiently. ...
Sector / Industry:
  • Food processing
Resources:
  • Water
Costs, savings, and payback time: Low cost
Technology

Shower push-button timer

Push-button timers fit for shower time   A push-button timer is a relatively simple technology for restricting the water flow of a shower to a designated length of time. Water stops running when the...
Sector / Industry:
  • Hotel and restaurant
Resources:
  • Water
Costs, savings, and payback time: Low cost 0.4 - 0.6 Year(s)
Technology

Low-flush toilet

Low-flush toilets let gravity do its job… Low-flush gravity toilets with optimised cistern and bowl designs use 4-6 litres of water per full flush. This system can help you save up to 6 litres of...
Sector / Industry:
  • All sectors
Resources:
  • Water
Costs, savings, and payback time: Low cost 1.08 - 6.5 Year(s)
Technology

Aerator/flow regulator for showerheads and taps

Try aerators to better regulate your shower and tap flow! Aerators (flow regulator) are simple vacuum valves with an air intake that can be easily installed between the tap and hose, or between the...
Sector / Industry:
  • All sectors
Resources:
  • Water
Costs, savings, and payback time: Low cost 50% 0.08 - 0.25 Year(s)
Technology

Low-flow water fixtures

Go with the (low) flow water fixture! Low-flow water fixtures are a range of easily implementable technologies that help you save water and money by allowing the user to control how much water is...
Sector / Industry:
  • All sectors
Resources:
  • Water
Costs, savings, and payback time: Low cost 1.9 - 3.75 Year(s)