ISO/NP 4240-6

Fine bubble technology — Environmental applications — Part 6: Test method for nutrient removal from sediments by washing using fine bubbles

General information

10.60   Close of voting   Jun 27, 2026

ISO

ISO/TC 281 Fine bubble technology

International Standard

Scope

This document specifies a test method to evaluate the effectiveness of removing nitrogen and phosphorus from sediments through washing using fine bubble technology. It is applicable to freshwater and estuarine environments where sediment-bound nutrients cause water quality degradation.

Life cycle

NOW

IN_DEVELOPMENT
ISO/NP 4240-6
10.60 Close of voting
Jun 27, 2026