Reviewing Particle Size Influence in Biomass flammability and Explosibility

  1. Amez Arenillas, Isabel 1
  2. Castells Somoza, Blanca 1
  3. Fernandez-Anez, Nieves 2
  4. Tascón Vegas, Alberto 3
  5. León Ruiz, David 1
  6. García Torrent, Javier 1
  1. 1 Universidad Politécnica de Madrid

    Universidad Politécnica de Madrid

    Madrid, España


  2. 2 Western Norway University of Applied Sciences

    Western Norway University of Applied Sciences

    Bergen, Noruega


  3. 3 Universidad de La Rioja

    Universidad de La Rioja

    Logroño, España


9th World Congress on Particle Technology (WCPT9). Exploring Beyons Limits. Abstracts' book

Publisher: ANQUE. Asociación nacional de químicos e ingenieros químicos de España

ISBN: 978-84-09-42782-6

Year of publication: 2022

Pages: 361-362

Congress: 9th World Congress on Particle Technology (WCPT9). Exploring Beyons Limits. September 18-22 Madrid 2022

Type: Conference paper

Institutional repository: lock_openOpen access editor


Due to the new policies implemented to mitigate and reduce climate change effects, the use of biomass has significantly increased in thelast years, and so, the number of accidents related to biomass storage, use, transport, and handle. Several authors have focused theirresearch on biomass flammability and explosion severity properties, together with the influence of chemical and physical characteristics,finding out that particle size (PS) presents a major effect on those properties (Eckhoff, 2009; Guo et al., 2012). In order to increase biomasssafety knowledge, PS has been widely studied, however, most of the published research determines PS using common methods that donot properly define this parameter. As biomass presents elongated and fibrous shape, granulometry methods that approach particles tospheres do not properly characterize biomass particles, which leads to misunderstandings when assessing relationship between granulometryand flammability properties (Gil et al., 2014). The aim of this study is to collect published information regarding biomass granulometry andflammability so assessment can be carried out. Indeed, it was found out that most of the published research determines PS using laserdiffraction whose error when testing fibrous particles is quite significant. The obtained results were compared to coal samples, as their characteristics are further studied. From data, it was noticed that biomass samples present a wide particle size range and, even whenconsidering biomass with similar particle size distributions, important deviations were found when assessing flammability and explosibilityproperties. Furthermore, it was clear that there is no standard method for particle size determination which can unify results in order tocarry out comparisons between samples. Moreover, the public existing data regarding biomass industrial safety is not extensive and shouldbe increased to help understand biomass behavior.