ISO/CD 20304-1

Fine bubble technology — Water treatment applications — Part 1: Test method for evaluating ozone fine bubble water generating systems by the decolorization of methylene blue ISO/CD 20304-1

General information

30.99   CD approved for registration as DIS   Sep 25, 2026

ISO

ISO/TC 281 Fine bubble technology

International Standard

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 20304-1:2020

NOW

IN_DEVELOPMENT
ISO/CD 20304-1
30.99 CD approved for registration as DIS
Sep 25, 2026




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