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DS CWA 17897-2:2023

Extraction, production and purification of added value products from urban wastes - Part 2: Extraction and purification of PHA biopolymers

Dec 11, 2025

General information

60.60     Dec 11, 2025

95.99   

DPS

DPS/KT 230

CEN/CENELEC Workshop Agreement

13.030.10     13.030.99  

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The present document specifies a method of extraction and purification of PHA biopolyesters using chlorinated solvent-free and wet chemistry methods from enriched biomass with a PHAs extraction efficiency > 80 % with a purity > 95 % and a molecular weight > 200 kDa.
This document is applicable to pre-digestion of the input biomass, which is a dried PPB with high PHA content.

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DS CWA 17897-2:2023
60.60 Standard published
Dec 11, 2025

Related project

Adopted from CWA 17897-2:2023 IDENTICAL