This is my update article on ERII. The first one you can read here.
Introduction to Energy Recovery
Energy Recovery (ERII) is a fluid dynamics, materials technology and ESG company. ERII invented and dominates pressure exchanger technology ("PX") that allows recycling of up to 40% expended energy in virtually any high pressure and hydraulic process. Large scale reverse osmosis desalination plants would not be possible without its pressure exchangers and as a result ERII has a 100% markets share in desalination PX coupled with 70% margins. Demand for fresh water is projected to grow