RO
SR EN 14918:2010
Solid biofuels - Determination of calorific value
This European Standard specifies a method for the determination of the gross calorific value of a solid biofuel at constant volume and at the reference temperature 25 °C in a bomb calorimeter calibrated by combustion of certified benzoic acid. The result obtained is the gross calorific value of the analysis sample at constant volume with all the water of the combustion products as liquid water. In practice, biofuels are burned at constant (atmospheric) pressure and the water is either not condensed (removed as vapour with the flue gases) or condensed. Under both conditions, the operative heat of combustion to be used is the net calorific value of the fuel at constant pressure. The net calorific value at constant volume may also be used; formulae are given for calculating both values. General principles and procedures for the calibrations and the biofuel experiments are presented in the main text, whereas those pertaining to the use of a particular type of calorimetric instrument are described in Annexes A to C. Annex D contains checklists for performing calibration and fuel ex
Status :
Withdrawn
Approval date : 5/31/2010
Publish date : 6/2/2010
Withdrawal date : 10/31/2017
Number of pages : 60
ICS : 75.160.40 Biofuels
Technical Committee : 360 - Characterization of waste and muds
- Normative reference SR EN ISO 10304-1:2009
- Normative reference SR EN 14780:2011
- Normative reference SR EN ISO 18134-3:2016
- Normative reference SR EN ISO 16993:2015
- Normative reference SR EN 14778:2011
- Replaced by SR EN ISO 18125:2017