Japan Platform for Redesign: Sustainable Infrastructure (JPRSI)

Member's Online Booth

Water Reuse Hand-wash Stand "WOSH"

Water & Soil Water Quality Improvement / Water Management Technology Small-scale Water Treatment Technology

Water & Soil Soil and Groundwater Contamination Countermeasures Use of Rainwater and Recycled Water

WOSH is a water-recycling hand-wash stand that reuses over 98% of its water. It can be set up anywhere, even without a water supply, and just 20 liters allows for over 500 washes. Operating independently of infrastructure, WOSH is fully functional in both normal and emergency situations with a power…

Portable Water Reuse System "WOTA BOX"

Water & Soil Water Quality Improvement / Water Management Technology Small-scale Water Treatment Technology

Water & Soil Soil and Groundwater Contamination Countermeasures Use of Rainwater and Recycled Water

"WOTA BOX" is a portable water reuse system that connects to various water sources. It recycles over 98% of its water, turning 50 liters of shower water into less than 1 liter of wastewater. This means just 100 liters of water can provide nearly 100 showers. It requires no plumbing and is…

The world’s first household water circulation system, “WOTA Unit”

Water & Soil Water Quality Improvement / Water Management Technology Small-scale Water Treatment Technology

Water & Soil Soil and Groundwater Contamination Countermeasures Use of Rainwater and Recycled Water

The WOTA Unit is the world's first household water circulation system that purifies up to 97% of domestic wastewater from bathrooms, kitchens, and laundry. It creates safe, reusable water, enabling a life free from conventional water and sewer networks. The system can be supplemented with rainw…