Highly efficient and compact wastewater treatment system using KURARAY AQUA's unique Polyvinyl Alcohol (PVA) gel beads. This material makes it possible to add extra treatment power to an existing system while cutting excess sludge production at the same time.
https://www.youtube.com/watch?v=gfsyWDUvgX4&t=29s - PVA gel success story in Indonesia.