Adsorptive substance separation device

Annular module for filtering a pressurized liquid by reverse osm

Apparatus for the production of fresh water from sea water by re

Composite membranes

Corrugated spiral membrane module

Feed spacer for spiral-wound membrane module

Hollow fiber membrane contactor

Membrane filtration assembly

Membrane module

Method and article for restraining extrusion of feed spacers and

Method for sealing spiral wound filtration modules

Reverse osmosis (“RO”) membrane system...

Sanitary filtration plant with helical filter elements

Sanitary rigid shell spiral wound element

Seal ring holder for membrane element and membrane element

Seal ring holder for membrane element and membrane element

Sealer holding member for membrane element and membrane...

Spiral filtration module with improved cleanability and operatin

Spiral membrane element and process for producing the same

Spirally wrapped reverse osmosis membrane cell