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US 2023/0415099 A1Published application
Method of evaluating separation membrane module
AssigneeNGK Insulators, Ltd.
InventorsKatsuya SHIMIZU, Makiko ICHIKAWA, Kenichi NODA, Naoto KINOSHITA
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Abstract
A method of evaluating a separation membrane module includes a step of supplying a performance degradation gas having a property of reducing permeance of a separation membrane to a primary side of the separation membrane, and a step of, after the previous step, supplying an evaluation fluid to the primary side of the separation membrane to measure a flow rate of the evaluation fluid to a secondary side of the separation membrane.
Claims12
A method of evaluating a separation membrane module, comprising:
- a) supplying a performance degradation gas to a primary side of a separation membrane, the performance degradation gas having a property of reducing permeance of said separation membrane;
- and
- b) after said operation a), supplying an evaluation fluid to the primary side of said separation membrane and measuring a flow rate of said evaluation fluid to a secondary side of said separation membrane.
Dependencies are inferred from the claim text.