HOLLOW FIBER MEMBRANE MODULE FOR CROSS-FLOW FILTRATION AND OPERATION METHOD THEREOF

The present invention relates to a hollow fiber membrane module for outside-in cross-flow filtration including: a container having at least a raw water inlet, a raw water outlet, and a filtrate outlet; and a plurality of hollow fiber membranes housed in the container, in which in the plurality of ho...

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Bibliographic Details
Main Authors Kozaki, Yoichiro, Kanamori, Satoko, Kobayashi, Atsushi, Kobayashi, Kentaro
Format Patent
LanguageEnglish
Published 17.08.2023
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:The present invention relates to a hollow fiber membrane module for outside-in cross-flow filtration including: a container having at least a raw water inlet, a raw water outlet, and a filtrate outlet; and a plurality of hollow fiber membranes housed in the container, in which in the plurality of hollow fiber membranes, an end portion on a raw water inlet side is sealed and an end portion on a filtrate outlet side is opened, and the plurality of hollow fiber membranes have a potting portion fixed by an adhesive at least in the end portion on the filtrate outlet side, and a pure water permeability K (m3/m2/hr/50 kPa) of the hollow fiber membranes and an inner diameter Di (μm) of the hollow fiber membranes satisfy the following requirements: 2.0≤K≤20.0; and 350≤D1≤600.
Bibliography:Application Number: US202118012023