ISO 17828:2015
Solid biofuels — Determination of bulk density
ISO 17828:2015 defines a method of determining bulk density of solid biofuels by the use of a standard measuring container. This method is applicable to all pourable solid biofuels with a nominal top size of maximum 100 mm.
Bulk density is not an absolute value; therefore, conditions for its determination have to be standardized in order to gain comparative measuring results.
NOTE Bulk density of solid biofuels is subject to variation due to several factors such as vibration, shock, pressure, biodegradation, drying, and wetting. Measured bulk density can therefore deviate from actual conditions during transportation, storage, or transhipment.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Measuring containers
5.1.1 General
5.1.2 Large container
5.1.3 Small container
5.2 Balances
5.2.1 Balance 1
5.2.2 Balance 2
5.3 Scantlings
5.4 Wooden board
6 Sample preparation
7 Procedure
7.1 Determination of the container volume
7.2 Container selection
7.3 Measurement procedure
8 Calculation
8.1 Calculation of bulk density as received
8.2 Calculation of bulk density on dry basis
9 Performance characteristics
9.1 General
9.2 Repeatability
9.3 Reproducibility
10 Test report
Annex A (informative) Measuring differences of sample treatment with and without shock impact
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Measuring containers
5.1.1 General
5.1.2 Large container
5.1.3 Small container
5.2 Balances
5.2.1 Balance 1
5.2.2 Balance 2
5.3 Scantlings
5.4 Wooden board
6 Sample preparation
7 Procedure
7.1 Determination of the container volume
7.2 Container selection
7.3 Measurement procedure
8 Calculation
8.1 Calculation of bulk density as received
8.2 Calculation of bulk density on dry basis
9 Performance characteristics
9.1 General
9.2 Repeatability
9.3 Reproducibility
10 Test report
Annex A (informative) Measuring differences of sample treatment with and without shock impact
Bibliography