Membrane separation system and its operation method

TW202637492APending Publication Date: 2026-09-16KURITA WATER INDUSTRIES LTD
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Patent Information

Application Number
TW114148036
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-03-04
Filing Date
2025-12-08
Publication Date
2026-09-16

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Abstract

A membrane separation system includes: a membrane separation device having a nanofiltration membrane or a reverse osmosis membrane; and a pressure recovery device for pressurizing feed water supplied to the membrane separation device using the pressure of concentrated water from the membrane separation device, wherein the membrane separation system is characterized in that the recovery rate of the membrane separation device is 60% or more, and the concentration of solute in the feed water supplied to the membrane separation device is increased to 5% or less by means of the pressure recovery device.
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