Domestic & municipal wastewater Archives - Keys for Tomorrow

Combined steam drying and pyrolysis unit

Using sewage sludge to heat and charge batteries.

A smart robotics system that can put different kinds of trash into different colored bags.

Compact systems for anaerobic digestion in cities

A way to clean and disinfect industrial wastewater with oxygen and lower the cost of treatment.

A sustainable way to recycle wastewater on-site for people who don’t have access to a public sewer.

Biological and electrical processes are used to get rid of nutrients in water treatment plants.

An urban and industrial wastewater treatment system that uses less energy and lasts longer.

A system for reusing the heat from wastewater for individual showers.

A system for cleaning re-used water for agricultural irrigation

A heated pool that uses solar energy so that its owners don’t have to use any electricity to run it.

A system that uses electricity to cleanly and efficiently treat wastewater from factories and cities.

Everyone, everywhere needs toilets that don’t use water to flush and other ways to clean up.

Sludge Drying Beds is a way to remove water from sewage sludge as part of the Urban Sewage Sludge Directive

Specific dosing pump for potable water, sewage, or feeding plants when there is no electricity.

Blue – le grand ménage is a small machine that uses salt, vinegar, and water to make a disinfectant with no waste and no harmful chemicals.

A mercury-free ultraviolet water treatment that keeps harmful microorganisms from growing in drinkable water.

All of these things come in one package that makes treating wastewater easy and cheap.

Off-grid toilets that treat and reuse water from flushes in a way that is good for the environment.

A way to clean up wastewater that uses natural processes.

Bamboo for Life is a system for treating wastewater that is sustainable, based on plants, and biological

Without burning, a thermochemical process that turns waste streams into clean hydrogen.

A long-lasting way to clean toilet pipes without using chemicals.

Energy and nutrients are taken back from wastewater treatment plants for homes.

A way to collect, move, and treat all household wastewater in areas with low water supplies.