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Standards & Technical Specifications

 

Standards relating to solid biofuels

 

Standards for Solid biofuels are being developed by a Technical Committee of the European standards organization CEN. This Technical Committee is called TC335 Solid Biofuels. In each participating country in CEN, a so called mirror committee is started that follows the development of the standards in the Technical Committee and the working groups in this TC. Comments are sent in to the working groups by the national mirror committees under the national standardization body, in Irelands case NSAI. The work of TC335 solid biofuels is nearly completed, but the work will continue on a world wide level in the Technical Committee TC238 Solid biofuels under ISO. The mandate of the ISO group is wider than the one of CEN TC335, in that it also will include aquatic biomass.
A fast way to develop a standard is by creating first a Technical Specification (TS). The TS is then used in practice and comments are collected. Within 5 years of the publication of the TS, it has to be revised and updated to become a full European Norm (EN) or has to be discarded. Sometimes a subject does not warrant a full standard, in such cases a Technical Report (TR) may be published that describes a method for testing one or another property

At the national standardisation bodies, in the case of Ireland, the NSAI, one can buy the latest published version of a standard. This is a bit of a bother, because often TS's are being revised and radically changed, but until they have been published as a full blown European Norm, it is only possible to obtain the outdated Technical Specification.

Nearly all the TS in the list below have been updated to draft EN standards, most are in the so-called balloting process where the 39 member countries vote on whether they can accept the standard or not. If the large majority of the countries vote in favour, the standard is accepted.  Even when the standard is accepted several months will pass because the standard English text will have to be translated at least in German and French. The three main language versions are published on the same occasion.

In the lists below first the published standards are given. Note that the full European Norms are at the bottom of the first list. In the second list the standards that are being updated or developed are listed. Those with FprEn are almost ready to be published.
Please refer to the National Standards Authority of Ireland (NSAI) for comprehensive list of standards: www.standards.ie . Here one can also order all published standards.

For a preview of the most important standards click on the link to the COFORD Connects Note on standards (pdf 182Kb) 

 

Published standards, status 22-02-2011

 

 CEN/TR 15569:2009 Solid biofuels - A guide for a quality assurance system
 CEN/TS 14778-1:2005 Solid biofuels - Sampling - Part 1: Methods for sampling
 CEN/TS 14778-2:2005 Solid biofuels - Sampling - Part 2: Methods for sampling particulate material transported in lorries
 CEN/TS 14779:2005 Solid biofuels - Sampling - Methods for preparing sampling plans and sampling certificates
 CEN/TS 14780:2005 Solid biofuels - Methods for sample preparation
 CEN/TS 15149-3:2006 Solid biofuels - Methods for the determination of particle size distribution - Part 3: Rotary screen method
 CEN/TS 15150:2005 Solid biofuels - Methods for the determination of particle density
 CEN/TS 15234:2006 Solid biofuels - Fuel quality assurance
 CEN/TS 15370-1:2006 Solid biofuels - Method for the determination of ash melting behaviour - Part 1: Characteristic temperatures method
 EN 14588:2010 Solid biofuels - Terminology, definitions and descriptions
 EN 14774-1:2009 Solid biofuels - Determination of moisture content - Oven dry method - Part 1: Total moisture - Reference method
 EN 14774-2:2009 Solid biofuels - Determination of moisture content - Oven dry method - Part 2: Total moisture - Simplified method
 EN 14774-3:2009 Solid biofuels - Determination of moisture content - Oven dry method - Part 3: Moisture in general analysis sample
 EN 14775:2009 Solid biofuels - Determination of ash content
 EN 14918:2009 Solid biofuels - Determination of calorific value
 EN 14961-1:2010 Solid biofuels - Fuel specifications and classes - Part 1: General requirements
 EN 15103:2009 Solid biofuels - Determination of bulk density
 EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
 EN 15105:2011 Solid biofuels - Determination of the water soluble chloride, sodium and potassium content-
 EN 15148:2009 Solid biofuels - Determination of the content of volatile matter

EN 15149-1:2010
Solid biofuels - Determination of particle size distribution - Part 1: Oscillating screen method using sieve apertures of 1 mm and above
EN 15149-2:2010
Solid biofuels - Determination of particle size distribution - Part 2: Vibrating screen method using sieve apertures of 3,15 mm and below
EN 15210-1:2009
Solid biofuels - Determination of mechanical durability of pellets and briquettes - Part 1: Pellets
EN 15210-2:2010
Solid biofuels - Determination of mechanical durability of pellets and briquettes - Part 2: Briquettes
EN 15289:2011
Solid biofuels - Determination of total content of sulphur and chlorine
EN 15290:2011
Solid biofuels - Determination of major elements - Al, Ca, Fe, Mg, P, K, Si, Na and Ti
EN 15296:2011
2011 Solid biofuels - Conversion of analytical results from one basis to another
EN 15297:2011
Solid biofuels - Determination of minor elements - As, Cd, Co, Cr, Cu, Hg, Mn, Mo, Ni, Pb, Sb, V and Zn

 

 

 

Standards under development

 

 prEN 16126 Solid biofuels - Determination of particle size distribution of disintegrated pellets (Under Approval)
 prEN 16127 Solid biofuels - Determination of length and diameter for pellets and cylindrical briquettes (Under Approval)
 EN 14961-2:2011 Solid biofuels - Fuel specifications and classes - Part 2: Wood pellets for non-industrial use (Approved)
 EN 14961-3:2011 Solid biofuels - Fuel specifications and classes - Part 3: Wood briquettes for non-industrial use (Approved)
 EN 14961-4:2011 Solid biofuels - Fuel specifications and classes - Part 4: Wood chips for non-industrial use (Approved)
 EN 14961-5:2011 Solid biofuels - Fuel specifications and classes - Part 5: Firewood for non-industrial use (Approved)
 EN 15234-1:2011 Solid biofuels - Fuel quality assurance - Part 1: General requirements (Approved)
 FprEN 14778 Solid biofuels - Sampling (Under Approval)
 FprEN 14780 Solid biofuels - Sample preparation (Under Approval)
FprCEN/TR 15149-3 Solid biofuels - Determination of particle size distribution - Part 3: Rotary screen method

 

Copyright COFORD 2006.