S Sirion™ Sirion™ is a set of reverse osmosis product ranges designed to produce high purity water, removing up to 98% of dissolved inorganics and over 99% of large dissolved organics, colloids and particles. Membrane Filtration - reverse osmosis SWRO The highest performance for Sea Water Reverse Osmosis (SWRO) in design & built or skid-mounted units. Membrane Filtration - reverse osmosis T Terion® S Terion® S uses reverse osmosis and continuous electrodeionization to produce high-purity deionized water. It removes dissolved solids and salt for pharmaceutical, microelectronics industry and industrial use. Membrane Filtration - reverse osmosis