Toyobo, a leader in fibers, textiles and polymer chemistry over more than century of operations and now, the leader in the world of Seawater RO based on hollow fiber membrane technology. Toyobo's RO membrane module, "HOL-LOSEP" is composed of cellulose triacetate hollow fiber membrane and allows efficient one stage, one pass desalination of seawater. In 1979 Toyobo started the world's first commercial production of a double-element type module and over many years this product has been demonstrated in many desalination plants.
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