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CEN ISO/TR 22707:2025

Sludge recovery, recycling, treatment and disposal - Information on the processes and technologies for inorganic substance and nutrient recovery (ISO/TR 22707:2023) CEN ISO/TR 22707:2025

Publication date:   Aug 14, 2025

General information

60.60   Standard published   Jul 30, 2025

CEN

CEN/TC 308 Characterization and management of sludge

Technical Report

13.030.20   Liquid wastes. Sludge

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Scope

This document provides information on the processes and technologies for inorganic substance and nutrient recovery from sludge.
This document is applicable to sludge and products from urban wastewater collection systems, night soil, wastewater treatment plants for urban and similar industrial waters. It includes all sludge that can have either similar environmental or health impacts, or both.
Hazardous sludge from industry and dredged sludge are excluded from this document.

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PUBLISHED
CEN ISO/TR 22707:2025
60.60 Standard published
Jul 30, 2025

Relations

Adopted from ISO/TR 22707:2023 IDENTICAL




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