Chemicals & Materials
Critical node· Chemicals & Materials · Critical anchor

Reverse-osmosis membranes (desalination)

Osaka, Japan34.69°N 135.50°E
computed criticality17/100
reading
Toray, DuPont (~20%), Nitto/Hydranautics, LG Chem: top 5 ~60% of RO market
2024
Fault line

The drinking water of whole regions of the Gulf and Mediterranean comes from desalination, which rests on reverse-osmosis membranes made by a handful of chemists. A rare link at the heart of world water security.

Actors
Toray
DuPont Water
Nitto (Hydranautics)
LG Chem
Sources