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Path: Home » Attività  normativa » » Struttura » Solid biofuels - Methods for sampling

CEN/TC 335/WG 03 SCIOLTO -

Coordinatore GL: - Project Leader: - Project Assistant: N.D. - Maggiori Informazioni

In questa sezione è riportata tutta la documentazione dell'attività del Gruppo di Lavoro, suddivisa tra attività nazionale svolta direttamente e attività CEN e/o ISO svolta dal GL in qualità di Mirror Committee.

Solid biofuels - Methods for sampling

Draft Standard

Data Documento: 03/05/2010
Organo Tecnico: CEN/TC 335/WG 03 SCIOLTO - Sampling and sample reduction. SCIOLTO

Note:
This Standard describes methods for taking samples of solid biofuels, for example, from the place where the raw materials grow, from productionplant, from deliveries or from stock. It includes both manual and mechanical methods, and is applicable to solid biofuels that are either: - Fine and regularly-shaped particulate materials, particle size up to about 1§0 mm that can be sampled using a scoop or pipe, for example: sawdust, olive stones and wood pellets; - coarse or irregularly-shaped particulate materials, particle size up to about 200 mm that can be sampled using a fork or shovel, for example: wood chips and nut shells, forest residue chips and loose straw; - baled materials that require a special sampling tool to be used if the bales are not to be broken open for sampling, for example: baled straw or grass; - large pieces (particle sizes above 200 mm) which are to be picked manually: - fibrous and vegetable waste dewatered in belt press. The methods described in this Standard may be used, for example, when the samples are to be tested for bulk density, durability, particle size distribution, moisture content, ash content, ash melting behaviour, calorific value, chemical composition and impurities. The methods are not intended to be applied to the very large samples required for the testing of bridging properties.


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