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ISO/CD 25423

Guidelines for treatment and reuse of petroleum refinery wastewater

General information

Current stage: 30.60 Effective date: Feb 21, 2026

Originator: ISO

Owner: ISO/TC 282/SC 4

Type: International Standard

Scope

This document gives guidance on the treatment and reuse of petrochemical refinery wastewater and the possible applications of the treated wastewater. In addition, it also briefly covers the proper disposal and discharge of the residual waste generated from the wastewater treatment plants.

Life cycle

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IN_DEVELOPMENT
ISO/CD 25423
30.60 Close of voting/ comment period
Feb 21, 2026