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ISO 20304-1:2020

Fine bubble technology — Water treatment applications — Part 1: Test method for evaluating ozone fine bubble water generating systems by the decolorization of methylene blue

Publication date:   Dec 4, 2020

General information

90.60   Close of review   Mar 5, 2026

ISO

ISO/TC 281 Fine bubble technology

International Standard

07.030   Physics. Chemistry

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Scope

This document specifies a test method to assess the performance of ozone fine bubble water generating systems used for decolorizing water-soluble dye in e.g. wastewater and industrial water. This document does not address the impact of ozone on health and environment.

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PUBLISHED
ISO 20304-1:2020
90.60 Close of review
Mar 5, 2026