From Waste to Resource

Combine our groundbreaking equipment into an onsite treatment system or purchase components separately

The Freeze Concentrator

How it Works

  • The Brightwater Tools’ patented Freeze Concentrator leverages the purely physical process of freezing to remove water and condense waste.
  • Inside the concentrator, batches of digested wastewater are partially frozen, resulting in the formation of pure ice crystals and a nutrient-rich concentrate.
  • After the concentrate is drained, the ice crystals are melted and the water is removed to be lightly treated and reused.
  • The resulting concentrate– retaining 90% of the total nutrients– can then be pasteurized, filtered, and used as fertilizer.

The Brightwater Advantage

Other techniques for concentrating wastewater can’t beat the natural, physical process of freezing. This unique technology benefits customers in several ways:

  • Processes high-strength liquid wastes
  • Energy efficient
  • Uses no harsh chemicals
  • Scalable to meet customer needs
  • Needs no active management
  • Doesn’t require stabilized nitrogen
"Any technology that can economically concentrate liquid wastewater for reduced transport costs will be in high demand."

-Peter Fiske, Director of NAWI, a Program supported by the U.S. Department of Energy, May 2024

Rising Demand

The Freeze Concentrator has been deployed at the University of Michigan, on Vachon Island in Washington, on Cape Cod in Massachusetts, near Paris, France, at the RecoLab in Helsingborg, Sweden, and at EAWAG in Switzerland. Fully automated and remotely operated, our technology requires no operator oversight.

The Pasteurizer

How It Works

  • The Brightwater Pasteurizer sanitizes, or removes pathogens, from high strength wastewater.
  • The treated product meets US EPA requirements for use in agriculture.
  • Our pasteurizer’s patented heat exchange technology minimizes energy use and nutrient loss.
  • It is fully automated and can sanitize up to 150 gallons per day.
  • The Pasteurizer can be used individually or as part of the Brightwater Tools Treatment Train.

The Specifics

Specifications Sheet

Frequently Asked Questions

Instructional Manual

The Carbon Filter

How It Works

  • Granular activated carbon filtration removes organic micropollutants like PFAS & pharmaceuticals from liquid wastewater.
  • We’ve integrated this advanced treatment process into our nutrient recovery toolkit since it dramatically reduces the emission of contaminants to the natural environment.
  • The Carbon Filter can be purchased individually or used as part of the Brightwater Tools Treatment Train.

The Specifics

Coming Soon

Treatment Train: BUILDING SCALE SANITATION

Brightwater Tools’ equipment works together as a Treatment Train to process waste into a concentrated, sanitized fertilizer.
1
Collection Fixtures
Vacuum flush toilets & waterless urinals collect high strength toilet water, which then moves through a digester.
2
Freeze Concentrator*
separates wastewater into two streams: non-potable water for reuse and a nutrient-rich concentrate.
*patented
3
Pasteurizer*
destroys pathogens
*patented
4
Carbon Filter
removes pharmaceuticals
5
Concentrated sanitized fertilizer
is ready to be distributed to farms
The Brightwater Tools treatment train is automated, monitored remotely, and requires minimal maintenance.

It creates cost savings by reducing water usage and sewer fees.

Composting Toilets

Brightwater Tools is now the Sole U.S. Distributor of the Nature Loo Alectura composting toilet!
The Nature Loo Alectura is a self-contained composting toilet with removeable solids bins that’s perfect for folks living in tiny homes, yurts, or any dwelling with limited space below the floor. This is a great system for anyone that wants to treasure the toilet resources they create on a daily basis!
View Options & Order

Ready to integrate sustainable technology into your next project?

Get in touch so we can customize a treatment solution for you.
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