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ISO/TS 20048-1:2020

Solid biofuels -- Determination of off-gassing and oxygen depletion characteristics -- Part 1: Laboratory method for the determination of off-gassing and oxygen depletion using closed containers

General information
Valid from 31.03.2020
Directives or regulations
None
Standard history
Status
Date
Type
Name
31.03.2020
Main
This document defines a method for determination of off-gassing (permanent gases) and oxygen depletion from woody as well as non-woody biomass, including densified materials such as pellets and briquettes, as well as non-densified materials such as chips. The method is also applicable for thermally treated materials, including torrefied and carbonized materials. The emission and depletion factor and emission and depletion rate for various gas species emitted from sample within a closed test container is determined by means of gas chromatography. The emission and depletion factor and emission and depletion rate provide guidance for ventilation requirements to keep gas concentrations below Permissible Exposure Levels (PEL) in spaces where workers can be exposed to the enclosed atmosphere.
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