Solid biofuels - Determination of content of heavy extraneous materials larger than 3,15 mm (ISO 19743:2017)

ISO 19743:2017 specifies a method for the determination of content of heavy extraneous materials larger than 3,15 mm by the use of sink-and-float separation combined with elutriation. This document is applicable to woody biomass in accordance with ISO 17225‑1:2014, Table 1.

Biogene Festbrennstoffe - Bestimmung des Gehaltes an schweren Fremdstoffen mit einer Partikelgröße von mehr als 3,15 mm (ISO 19743:2017)

Biocombustibles solides - Dosage de la teneur en matériaux lourds exogènes de dimension supérieure à 3,15 mm (ISO 19743:2017)

L'ISO 19743 :2017 spécifie une méthode de détermination de la teneur en matériaux lourds exogènes de dimension supérieure à 3,15 mm à l'aide d'une séparation par sédimentation et suspension avec élutriation. Le présent document est applicable à la biomasse ligneuse conformément à l'ISO 17225‑1:2014, Tableau 1.
NOTE 1    Cette méthode est conçue pour déterminer la teneur en impuretés de dimension supérieure à 3,15 mm et avec une masse volumique spécifique supérieure à 1 g/cm3 comme les pierres, le verre, le caoutchouc, le métal et certains types de matières plastiques.
NOTE 2    Lors du traitement de l'échantillon, un triage à la main des impuretés légères de masse volumique spécifique inférieure ou égale à 1 g/cm3 (par exemple une feuille plastique) peut également être effectué.

Trdna biogoriva - Določevanje tujih snovi, večjih od 3,15 mm (ISO 19743:2017)

Ta mednarodni standard določa metodo za ugotavljanje vsebnosti kamnin trdnih biogoriv z uporabo ločevanja s pomočjo težkih tekočin v kombinaciji z izpiranjem. Ta mednarodni standard se uporablja za nestisnjena trdna biogoriva, zlasti lesno biomaso (v skladu s standardom EN ISO 17225-1, preglednica 1), kot so lesni sekanci in drobljenci.

General Information

Status
Published
Public Enquiry End Date
02-Jun-2016
Publication Date
05-Jun-2017
Technical Committee
AGO - Refuse derived fuel
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
24-May-2017
Due Date
29-Jul-2017
Completion Date
06-Jun-2017

Relations

Effective Date
01-May-2025

Overview

EN ISO 19743:2017 - Solid biofuels specifies a laboratory method for the determination of heavy extraneous materials larger than 3,15 mm in woody biomass. The standard uses sink-and-float separation combined with elutriation in water to isolate dense contaminants (e.g., stones, glass, metal, some plastics) with a specific density > 1 g/cm³. It applies to woody biomass in accordance with ISO 17225‑1:2014, Table 1 and supports quality control of solid biofuels and fuel acceptance testing.

Key topics and technical requirements

  • Scope & purpose: Measure percentage (dry basis) of inorganic contaminants ≥ 3,15 mm top size that can damage handling, size reduction equipment or combustion systems.
  • Separation principle: Sink-and-float followed by elutriation to separate biogenic and inorganic sediment based on density, size and shape.
  • Minimum sample: Test sample of at least 20 L, prepared per ISO 18135 and ISO 14780; divided into four sub‑portions (one for moisture).
  • Apparatus & tolerances:
    • Water container ≥ 30 L; cylindrical/conical with height/diameter ratio 1.0–1.3.
    • Sieving with a 3,15 mm test sieve (ISO 3310‑2).
    • Balances: one reading to 1 g and one to 0,1 g.
    • Drying oven maintained at (105 ± 2) °C to constant mass (change ≤ 0,2% over 60 min).
  • Procedure summary:
    • Weigh test portion, immerse and stir in water, remove floating biogenic material, decant, repeat rinses.
    • Collect sediment on 3,15 mm sieve, dry, hand-sort residual biogenic material and weigh retained extraneous material.
    • Calculate heavy extraneous material as percentage of dry mass.
  • Normative references: ISO 3310‑2, ISO 14780, ISO 16559, ISO 18134‑1/2, ISO 18135.

Applications and users

  • Biomass fuel producers and suppliers: product quality control and acceptance testing.
  • Fuel testing and certification laboratories: routine analysis for compliance and reporting.
  • Power plants, pellet mills and CHP operators: assessing risk of abrasive contaminants that increase wear, fouling or ash-related problems.
  • Researchers and regulators: comparative studies, standard conformity and procurement specifications.

Related standards

  • ISO 17225‑1 (classification of woody biomass)
  • ISO 18135 (sampling)
  • ISO 18134‑1 / ‑2 (moisture determination)
  • ISO 3310‑2 (test sieves)

EN ISO 19743:2017 is essential for robust solid biofuels testing, helping stakeholders minimize operational risk from heavy contaminants and ensuring reliable fuel quality for combustion applications.

Standard

SIST EN ISO 19743:2017

English language
13 pages
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Frequently Asked Questions

SIST EN ISO 19743:2017 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Solid biofuels - Determination of content of heavy extraneous materials larger than 3,15 mm (ISO 19743:2017)". This standard covers: ISO 19743:2017 specifies a method for the determination of content of heavy extraneous materials larger than 3,15 mm by the use of sink-and-float separation combined with elutriation. This document is applicable to woody biomass in accordance with ISO 17225‑1:2014, Table 1.

ISO 19743:2017 specifies a method for the determination of content of heavy extraneous materials larger than 3,15 mm by the use of sink-and-float separation combined with elutriation. This document is applicable to woody biomass in accordance with ISO 17225‑1:2014, Table 1.

SIST EN ISO 19743:2017 is classified under the following ICS (International Classification for Standards) categories: 75.160.40 - Biofuels. The ICS classification helps identify the subject area and facilitates finding related standards.

SIST EN ISO 19743:2017 has the following relationships with other standards: It is inter standard links to kSIST FprEN ISO 19743:2025. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

You can purchase SIST EN ISO 19743:2017 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of SIST standards.

Standards Content (Sample)


SLOVENSKI STANDARD
01-julij-2017
7UGQDELRJRULYD'RORþHYDQMHWXMLKVQRYLYHþMLKRGPP ,62
Solid biofuels - Determination of content of heavy extraneous materials larger than 3,15
mm (ISO 19743:2017)
Biogene Festbrennstoffe - Bestimmung des Gehaltes an schweren Fremdstoffen mit
einer Partikelgröße von mehr als 3,15 mm (ISO 19743:2017)
Biocombustibles solides - Dosage de la teneur en matériaux lourds exogènes de
dimension supérieure à 3,15 mm (ISO 19743:2017)
Ta slovenski standard je istoveten z: EN ISO 19743:2017
ICS:
75.160.40 Biogoriva Biofuels
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 19743
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2017
EUROPÄISCHE NORM
ICS 27.190; 75.160.40
English Version
Solid biofuels - Determination of content of heavy
extraneous materials larger than 3,15 mm (ISO
19743:2017)
Biocombustibles solides - Dosage de la teneur en Biogene Festbrennstoffe - Bestimmung des Gehaltes an
matériaux lourds exogènes de dimension supérieure à schweren Fremdstoffen mit einer Partikelgröße von
3,15 mm (ISO 19743:2017) mehr als 3,15 mm (ISO 19743:2017)
This European Standard was approved by CEN on 13 April 2017.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 19743:2017 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 19743:2017) has been prepared by Technical Committee ISO/TC 238 "Solid
biofuels" in collaboration with Technical Committee CEN/TC 335 “Solid biofuels” the secretariat of
which is held by SIS.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by November 2017, and conflicting national standards
shall be withdrawn at the latest by November 2017.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent
rights.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 19743:2017 has been approved by CEN as EN ISO 19743:2017 without any modification.

INTERNATIONAL ISO
STANDARD 19743
First edition
2017-04
Solid biofuels — Determination of
content of heavy extraneous materials
larger than 3,15 mm
Biocombustibles solides — Dosage de la teneur en matériaux lourds
exogènes de dimension supérieure à 3,15 mm
Reference number
ISO 19743:2017(E)
©
ISO 2017
ISO 19743:2017(E)
© ISO 2017, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2017 – All rights reserved

ISO 19743:2017(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Apparatus . 2
6 Sample preparation . 2
7 Procedure. 3
8 Calculation . 3
9 Performance characteristics . 4
10 Test report . 4
Bibliography . 5
ISO 19743:2017(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO’s adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: w w w . i s o .org/ iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 238, Solid biofuels.
iv © ISO 2017 – All rights reserved

ISO
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The article discusses International Standard EN ISO 19743:2017, which outlines a method for determining the stone content in solid biofuels. The method involves sink-and-float separation combined with elutriation. This standard is specifically applicable to uncompressed solid biofuels, particularly woody biomass such as wood chips and hog fuel.

記事のタイトル:SIST EN ISO 19743:2017 - 堅固なバイオマス燃料 - 3.15mm以上の重い不純物含有量の測定(ISO 19743:2017) 記事の内容:この国際標準は、沈降浮上分離と洗浄を組み合わせて固形バイオマス燃料の石の含有量を測定する方法を規定しています。この国際標準は、非圧縮固形バイオマス燃料、特に木質バイオマス(EN ISO 17225-1、表1に基づく)の木屑や細かい削りくずなどに適用されます。

기사 제목: SIST EN ISO 19743:2017 - 고형 생물 연료 - 3.15mm보다 큰 잡물질 함유량의 결정 (ISO 19743:2017) 기사 내용: 이 국제 표준은 침강 및 부유 분리와 세척기를 결합하여 고형 생물 연료의 돌 함유량을 결정하는 방법을 규정합니다. 이 국제 표준은 비압축형 고형 생물 연료, 특히 목재 바이오매스 (EN ISO 17225-1, Table 1에 따른)인 나무 자재와 동물 배출물에 적용됩니다.