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  • BSI
    BS EN ISO 21945:2020 Solid biofuels. Simplified sampling method for small scale applications
    Edition: 2020
    $411.69
    / user per year

Description of BS EN ISO 21945:2020 2020

This document describes simplified methods for taking samples of solid biofuels in small scale applications and storages including preparation of sampling plans and reports. The main focus is on storages with a size of ?100 t. This document is applicable to the following solid biofuels:

  1. fine (up to about 10 mm nominal top size) and regularly-shaped particulate materials that can be sampled using a scoop or pipe, e.g. sawdust, olive stones and wood pellets;

  2. coarse or irregularly-shaped particulate materials (up to 200 mm nominal top size) that can be sampled using a fork or shovel, e.g. wood chips, hog fuel and nut shells;

  3. large pieces (above 200 mm nominal top size) which are picked manually (e.g. firewood and briquettes).

This document can also be used for other solid biofuels not listed above if the procedures described in this document are applicable. This document specifies methods to be used, for example, when a sample is to be tested for moisture content, ash content, calorific value, bulk density, mechanical durability, particle size distribution, ash melting behaviour and chemical composition.

Additionally, it describes a method for the reduction of sample size and defines requirements on handling and storage of samples.

NOTE 1

If higher precision of analytical results is needed or when in doubt if this document is applicable ISO 18135 can be used. Using the number of increments given in this document the resulting precision for analytical results can be estimated with the formulas given in ISO 18135 .

NOTE 2

Pellets can generate CO and CO 2 off gasses by nature. If pellets are sampled, check for CO and CO 2 and O 2 levels prior and during the sample taking process in a confined space like a container, silo or shed and have another person standby at the entrance.



Standard NumberBS EN ISO 21945:2020
TitleSolid biofuels. Simplified sampling method for small scale applications
StatusDefinitive
Publication Date2020-03-11
Identical National Standard OfISO 21945, EN ISO 21945
DescriptorsPreparation, Sampling methods, Biofuels, Fuels, Solid fuels
ICS27.190 Biological sources and alternative sources of energy, 75.160.40 Biofuels
CommitteePTI/17
ISBN978 0 580 97153 2
PublisherBSI
Pages28

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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