Hollow fiber membrane module

There is provided a hollow fiber membrane module comprising: a membrane bundle of a plurality of hollow fiber membranes; a cylindrical body housing the membrane bundle; a fixing portion in which at least one end of the membrane bundle is fixed to the cylindrical body; and a raw water outflow nozzle...

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Bibliographic Details
Main Authors Sakashita, Daichi, Kaiya, Yoshihide, Oba, Masazumi, Futami, Kenichi, Hayakawa, Junichi, Chen, Lianggang, Chen, Qing
Format Patent
LanguageEnglish
Published 12.06.2012
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Summary:There is provided a hollow fiber membrane module comprising: a membrane bundle of a plurality of hollow fiber membranes; a cylindrical body housing the membrane bundle; a fixing portion in which at least one end of the membrane bundle is fixed to the cylindrical body; and a raw water outflow nozzle for allowing raw water to flow out from the vicinity of the fixing portion. Raw water supplied into the cylindrical body is allowed to permeate from the outside into the inside of each hollow fiber membrane. A soft potting portion has, in its surface to be in contact with raw water, at least one groove.