Retein

Circular Materials

This company develops technology to recover metals and raw materials from industrial wastewater for clients in the manufacturing and chemical sectors.

Sitration

The company produces porous silicon membranes for the recovery of critical minerals and metals for customers in the mining and battery recycling industries.

ZwitterCo

The company develops fouling-resistant membranes for industrial wastewater treatment and product recovery in the food, dairy, and bioprocessing sectors.

Membrion

Membrion manufactures ceramic desalination membranes for industrial customers to treat and reuse wastewater in sectors including microelectronics, automotive, and food and beverage.

Osmoses

This company produces polymer membranes for industrial gas separation to help chemical and energy sector customers purify hydrogen, methane and carbon dioxide.

Pure Blue Tech

This company manufactures self-cleaning filtration membranes and ultrasonic fouling prevention units for industrial, municipal, and semiconductor water treatment and reuse applications.

Watercycle Technologies

This company develops membrane-based systems that extract lithium and other minerals from brines and wastewater for mining, battery recycling and desalination industries.

ChemFinity

This company develops polymer sorbents that recover critical minerals from industrial waste streams for mining, water treatment and energy production customers.