CSBE-SCGAB

Development of a new index for quantitative assessment of the degree of torrefaction of biomass

Description: Utilization of biomass as a co-fired fuel is a step towards preventing global warming by minimizing green house gas(GHG) emission as biomass can be regarded as GHG neutral. But raw biomass has many limitations to be directly used as fuels. These limitations of biomass can be minimized by torrefaction of biomass which is a heat treatment process in an inert atmosphere with temperature range of 200-300C. Torrefaction improves energy density and handling properties. Torrefaction process are generally described by mass yield, energy yield and energy density enhancement factor but there is absence of any single parameter which indicates the degree of torrefaction. Currently, there is no quantitative parameter to define the degree of severity or quality of torrefied product of biomass. The present work developed a new non-dimensional index for this especially in the context of its use in the energy industries. Torrefaction index relate different attributes of torrefied products on a common platform. It can be utilized in energy industry for assessing the quality of torrefied product in co-firing plants. This index has a good correlation with temperature and will be helpful for developing and designing torrifier.
Keywords: biomass; degree of torrefaction; index
Conference name: CSBE/SCGAB 2016 Annual Conference, Halifax, 3-6 July 2016.
Session name: Session 3A: Bioenergy Conversion Technologies I
Citation: . 2016. Development of a new index for quantitative assessment of the degree of torrefaction of biomass. CSBE/SCGAB 2016 Annual Conference, Halifax, 3-6 July 2016.
Publisher: Canadian Society for Bioengineering
Date: 2016-07
Publication type:
  • Conference Proceeding
Type: Text.Article
Format: PDF
Identifier: CSBE16097
Coverage: Canada
Language 1: en
Rights: Canadian Society for Bioengineering
Located in: AGM Halifax (2016)

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