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ISO 20468-2:2019

Guidelines for performance evaluation of treatment technologies for water reuse systems — Part 2: Methodology to evaluate performance of treatment systems on the basis of greenhouse gas emissions ISO 20468-2:2019

Publication date:   Jul 11, 2019

General information

60.60 Standard published   Jul 11, 2019

ISO

ISO/TC 282/SC 3 Risk and performance evaluation of water reuse systems

International Standard

13.060.01   Water quality in general | 13.020.40   Pollution, pollution control and conservation

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Scope

This document provides guidelines for evaluating the performance of treatment systems on the basis of greenhouse gas (GHG) emissions.
In order to estimate greenhouse gas emissions from a treatment system, this document covers the estimate, types of GHG emission and sources, emission factor for each GHG, and global warming potential. The weight of greenhouse gases to be used in an evaluation is equivalent to emissions during operation of a treatment system.
This document also defines a method for calculating carbon dioxide equivalent (CO2eq) emission intensity, in which GHG emissions are divided by the volume of reclaimed water. It also includes a method for evaluating the performance of a treatment system using CO2eq emission intensity.

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PUBLISHED
ISO 20468-2:2019
60.60 Standard published
Jul 11, 2019