COMPOSITE HOLLOW FIBER MEMBRANE MODULE AND MANUFACTURING METHOD THEREFOR

COMPOSITE HOLLOW FIBER MEMBRANE MODULE AND MANUFACTURING METHOD THEREFOR

The present invention offers a forward osmosis composite hollow fiber membrane module having hollow fiber bundles comprising a plurality of hollow fibers, the hollow fibers having a separation layer composed of a macromolecular polymer thin film provided on the inner surface of a microporous hollow...

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Hauptverfasser: NAKAMURA, Mikihiko, KIGUCHI, Akira, ANAN, Tomoya
Format: Patent
Sprache:eng ; fre ; ger
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PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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creator NAKAMURA, Mikihiko
KIGUCHI, Akira
ANAN, Tomoya
description The present invention offers a forward osmosis composite hollow fiber membrane module having hollow fiber bundles comprising a plurality of hollow fibers, the hollow fibers having a separation layer composed of a macromolecular polymer thin film provided on the inner surface of a microporous hollow fiber supporting membrane, wherein the membrane area of the hollow fiber bundle is at least 1 m2, and a variation coefficient for the average thickness of the separation layer in the radial direction and the lengthwise direction of the hollow fiber bundles, as calculated by a method of measuring the mass of the separation layer portion in a scanning electron microscope image of a cross section of the separation layer in the thickness direction, is 0% to 60%.
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subjects PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title COMPOSITE HOLLOW FIBER MEMBRANE MODULE AND MANUFACTURING METHOD THEREFOR
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