标准编号：ISO 17225-4:2021
中文名称：固体生物燃料 燃料规范和等级 第4部分：分级木屑
英文名称：Solid biofuels — Fuel specifications and classes — Part 4: Graded wood chips
发布日期：2021-02
标准范围
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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