SIST EN ISO 17225-3:2021 PDF

Name: SIST EN ISO 17225-3:2021 — Solid biofuels - Fuel specifications and classes - Part 3: Graded wood briquettes (ISO 17225-3:2021)
SKU: SIST EN ISO 17225-3:2021
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Solid biofuels - Fuel specifications and classes - Part 3: Graded wood briquettes (ISO 17225-3:2021)

Название (английский):

SIST EN ISO 17225-3:2021

Solid biofuels - Fuel specifications and classes - Part 3: Graded wood briquettes (ISO 17225-3:2021)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 15
Дата публикации:: 16 апреля 2021 г.
ICS:: 75.160.40
Технический комитет:: AGO - Refuse derived fuel

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Описание (английский):

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 wood 1.2 By-products and residues from wood processing industry 1.3.1 Chemically untreated used wood NOTE Thermally treated biomass briquettes (e.g. torrefied briquettes) are not included in the scope of this document.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 17225-3:2021 - "Solid biofuels - Fuel specifications and classes - Part 3: Graded wood briquettes" (CEN/ISO) defines fuel quality classes and specification rules for graded wood briquettes. The standard covers briquettes made from:

forest, plantation and other virgin wood (1.1)

by‑products and residues from the wood processing industry (1.2)

chemically untreated used wood (1.3.1)

Thermally treated briquettes (e.g., torrefied briquettes) are explicitly excluded. EN ISO 17225-3:2021 is intended to support clear trading, procurement and appliance compatibility for residential, small commercial and public building heating applications.

Key Topics and Requirements

Fuel quality classes: Defines property classes (notably A1, A2, B) with A1 representing low-ash, low-nitrogen virgin wood, A2 slightly higher ash/N, and B allowing certain industrial residues and untreated used wood provided they do not contain heavy metals or halogenated organic compounds from preservatives/coatings.

Specified properties: Requires declaration or verification of key fuel properties such as moisture, ash content, calorific value (net calorific value), particle density, length/diameter, and chemical elements (e.g., sulfur, chlorine, nitrogen, minor elements).

Sampling and analysis: Sampling, sample preparation and test methods are referenced to established ISO standards (e.g., ISO 18135, ISO 14780, ISO 18134‑1/2, ISO 18125, ISO 16994, ISO 16948). Producers can use previous measured values, calculated typical values or perform laboratory analysis (simplified or reference methods).

Producer/supplier responsibilities: The standard stresses accurate, transparent declarations of raw material origin and fuel properties. Where chemically treated raw materials are used, origin and any treatments must be clearly described.

Dimensional and physical requirements: Specifies briquette geometry and particle density standards to ensure appliance compatibility.

Applications and Who Uses It

Manufacturers and suppliers: To classify products, set quality control and provide compliant product declarations for trade.

Heating equipment manufacturers and installers: To verify fuel compatibility with stoves, boilers and fireplaces and ensure appliance performance and emissions targets.

Test laboratories and certification bodies: For sampling and laboratory testing against referenced ISO methods.

Specifiers, purchasers and regulators: For procurement specifications, building code compliance and environmental reporting.

Typical applications include residential stoves, room heaters, small commercial heating and boiler systems where higher fuel quality is required due to limited flue-gas cleaning and simpler appliance controls.

Related Standards

ISO 17225-1 (General requirements for solid biofuels)

ISO 14780, ISO 18135 (sampling/sample prep)

ISO 18134‑1/2 (moisture), ISO 18125 (calorific value), ISO 18122 (ash), ISO 16994/16948 (chemical analysis)

EN standards for appliances (e.g., EN 13240, EN 303‑5) - referenced for appliance compatibility

EN ISO 17225-3:2021 is essential for clear, reliable fuel specifications, supporting trade, quality assurance and safe, low‑emission use of graded wood briquettes.

SIST EN ISO 17225-3:2021 PDF

Abstract

Похожие стандарты

Overview

Key Topics and Requirements

Applications and Who Uses It

Related Standards

Технические детали

ISO 17225-3:2021

Solid biofuels — Fuel specifications and classes — Part 3: Graded wood briquettes

SIST EN ISO 18135:2017

Solid Biofuels - Sampling (ISO 18135:2017)

ISO 14780:2017/Amd 1:2019

Solid biofuels — Sample preparation — Amendment 1

SIST EN ISO 18134-1:2022

Solid biofuels - Determination of moisture content - Part 1: Reference method (ISO 18134-1:2022)

SIST EN ISO 18125:2017

Solid biofuels - Determination of calorific value (ISO 18125:2017)

ISO 16994:2015

Solid biofuels — Determination of total content of sulfur and chlorine

SIST EN ISO 16948:2015

Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)

SIST EN ISO 17225-1:2021

Solid biofuels - Fuel specifications and classes - Part 1: General requirements (ISO 17225-1:2021)