REDstack

Active Membranes

This company develops electro-active desalination membranes that resist scaling and fouling for water treatment facilities and oil and gas industrial customers.

WaterWhelm

This company develops waste-heat-powered desalination and wastewater treatment technology for industrial and municipal customers, including hydrogen producers and utilities.

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.

ChloBis Water

This company develops electrochemical desalination batteries that remove salt from water while generating energy and chemicals for industrial and municipal water treatment customers.

Aquafortus

This company develops non-thermal water recovery systems for industrial customers in mining, oil, and gas to treat high-salinity wastewater and extract minerals.

Captura

Captura manufactures electrodialysis systems for carbon removal and lithium extraction to serve global climate, desalination, energy storage, and industrial water markets.

Membrion

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

MediSun

MediSun Energy develops reverse electrodialysis technology to generate electricity from salinity gradients and recover minerals for desalination utilities and industrial water users.