50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks Jul 22, 2026
ISO
ISO/TC 281 Fine bubble technology
International Standard
07.030 Physics. Chemistry
This document describes the test method and procedure to evaluate algae removal efficiency using microbubble in onsite algae removal facility.
The evaluation is made by measuring the removal rate by comparing the amount of algae in a river or lake before and after applying microbubbles.
IN_DEVELOPMENT
ISO/FDIS 4240-3
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Jul 22, 2026