Provided are an ultrafiltration membrane module, which can significantly reduce the concentration of a trace ion component in ultrapure water and especially, in warm ultrapure water, and to a method for producing ultrapure water. The ultrafiltration membrane module (10) comprises a plurality of hollow fiber membranes (1) including an ultrafiltration membrane, and a cylindrical case (2) for accommodating the hollow fiber membranes (1). The cylindrical case (2) includes: first and second nozzles (2a, 2b) spaced apart from each other in an axial direction of the cylindrical case (2) on an outer circumferential surface thereof, and introducing water to be treated to discharge discharged water; third and fourth nozzles (6a, 6b) disposed at both end parts of the cylindrical case, and respectively discharging permeate and the discharged water passing through the hollow fiber membranes (1); and a pair of fixing members (3a, 3b) for sealing the cylindrical case (2) while fixing the hollow fiber membranes (1) in a predetermined array.
限外ろ過膜モジュール及び限外ろ過膜モジュールを用いた超純水製造方法
2022-02-04
Patent
Elektronische Ressource
Japanisch
IPC: | C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / C08J Verarbeitung , WORKING-UP / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS |