Home Solution Blue Flow Greywater Reuse System

Blue Flow Greywater Reuse System

Reuse systems

Efficiently reusing greywater to reduce water consumption and energy usage in residential and small multifamily buildings.

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GreyWaterSolution ApS

Company Established Year

Since 2019

Who is this solution for

Business, Govt

Info

Available

To sell

Project Status

In commerce

Looking to expand internationally

Yes

Doing business in

worldwide

Awards and certifications

Solar Impulse Label

2023

Recognized as an efficient and sustainable greywater reuse solution.

World Technology Leader Award

2023

Honored for innovation in greywater recycling systems.

Product description

Blue Flow Greywater Reuse System is a cutting-edge solution designed to address the pressing need for water conservation and energy efficiency in residential and small multifamily buildings. By capturing and recycling greywater from showers, this innovative system significantly reduces municipal water consumption and lowers energy usage associated with water pumping.

Blue Flow incorporates advanced technology, including a quality sensor that distinguishes between clean and contaminated water, ensuring that only the filtered portion is reused for toilet flushing. This eliminates the need for chemical treatment, offering a sustainable and eco-friendly alternative that promotes hygiene and safety.

With an estimated water savings of around 10,000 liters per person annually and a potential energy consumption reduction of up to 73%, Blue Flow not only benefits the environment but also provides substantial cost savings for users. The system's seamless integration into existing plumbing lines minimizes structural modifications, making installation hassle-free and convenient.

Overall, Blue Flow stands out for its simplicity, reliability, and effectiveness in promoting sustainable water management practices while encouraging widespread adoption among residential and multifamily building owners.

Key characteristics and environmental benefits

  • Efficient greywater recycling system for residential and small multifamily buildings
  • Advanced quality sensor technology for identifying and reusing clean water
  • Reduces municipal water consumption by approximately 25%
  • Lowers energy usage related to water pumping by up to 73%
  • Eliminates the need for chemical treatment, ensuring a low-maintenance solution
  • Seamless integration into existing plumbing lines with minimal structural modifications
  • Delivers cost savings and environmental benefits for users
  • Promotes sustainable water management practices and user adoption

About the Company

GreyWaterSolution ApS is a Danish cleantech startup founded in 2019 and headquartered in Skødstrup, Denmark. They develop innovative greywater reuse systems designed to capture up to 70% of shower water for toilet flushing in residential buildings. Their sensor-driven Blue Flow system analyzes incoming shower water in real time, selectively recycling only the cleanest portion without chemical disinfection. This approach enables households to save approximately 10,000 liters of potable water per person per year and reduce energy usage for pumping by up to 73%. With a strong environmental mission, the company promotes sustainable water management by minimizing freshwater usage, lowering wastewater volumes, and reducing carbon footprint. GreyWaterSolution’s solutions align with multiple UN Sustainable Development Goals and present an economically viable, scalable model for responsible urban water reuse.

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