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ISO 17225-4:2021

Solid biofuels — Fuel specifications and classes — Part 4: Graded wood chips

Publication date:   Feb 19, 2021

General information

60.60 Standard published   Feb 19, 2021

ISO

ISO/TC 238 Solid biofuels

International Standard

27.190   Biological sources and alternative sources of energy | 75.160.40   Biofuels

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Scope

This document determines the fuel quality classes and specifications of graded wood chips. This document covers only wood chips produced from the following raw materials (see ISO 17225-1:2021, Table 1):
1.1 Forest, plantation and other virgin wood;
1.2 By-products and residues from wood processing industry;
1.3.1 Chemically untreated used wood.
This document covers only wood chips, which are produced with sharp tools, and does not cover hog fuel, which is produced with blunt tools.

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WITHDRAWN
ISO 17225-4:2014

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PUBLISHED
ISO 17225-4:2021
60.60 Standard published
Feb 19, 2021