Solid biofuels - Fuel specifications and classes - Part 3: Graded wood briquettes (ISO 17225-3:2021)
This document determines the fuel quality classes and specifications of graded wood briquettes. This document covers only wood briquettes produced from the following raw materials (see ISO 17225‑1: 2021, Table 1):1.1 Forest, plantation and other virgin wood1.2 By-products and residues from wood processing industry1.3.1 Chemically untreated used woodNOTE Thermally treated biomass briquettes (e.g. torrefied briquettes) are not included in the scope of this document.
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