Large-scale transportation and storage of wood pellets: Investigation of the change in physical properties

Gilvari, Hamid; Battum, Coen H.H. van; Dijk, Simon A. van; Jong, Wiebren de; Schott, Dingena L.

doi:10.1016/j.partic.2020.12.006

Cited by 15 publications

(6 citation statements)

References 28 publications

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“…Europe is an important producer of pellets, but it is also a big consumer and importer [25][26][27]. After the United Kingdom, Finland and Sweden, other significant consumers are Italy, Denmark, Belgium and the Netherlands [28].…”

Section: Introductionmentioning

confidence: 99%

Quality of Pellets Obtained from Whole Trees Harvested from Plantations, Coppice Forests and Regular Thinnings

Latterini

Civitarese

Walkowiak

et al. 2022

Forests

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Woody biomass represents a sustainable type of fuel that is marketed directly as firewood or pre-treated by grinding, drying and compressing. Densified biomass fuels provide benefits in transport, storage and handling, and wood pellets in particular are one of the most commercially attractive products. With this in mind, the objective of the presented research was to evaluate the quality of various pellets obtained from different tree parts of five species (and various age): Eucalyptus spp., Fagus sylavtica L., Pinus eldarica Medw., Pinus radiata D.Don, and Robinia pseudoacacia L. In all the analysed cases, the wooden material was harvested according to the whole tree system (WTS), with their branches and leaves. The samples were chipped, refined by a shredder and dried. Pelletisation was finally carried out using a 4 kW Bianco line (Cuneo, Italy) pelletiser. Physical and chemical analyses were undertaken to determine the quality of the pellets as an energy source. Results of this classification showed that the best pellets, mostly due to better mechanical properties, were from plantation trees of Eucalyptus spp. (6- and 3-year-old) and from thinnings of Fagus sylavtica L. (70-year-old), whereas the least attractive types were made from 18-year-old, coppice Eucalyptus spp. and 3-year-old Robinia pseudoacacia L. Regarding the classification developed within this study, all the pellet types were found to be classifiable as none exceeded the toxic content limit. In terms of the influence of the species, management system and stem age on pellet quality, this study showed the presence of a link between cycle duration and pellet quality, with increasing stem age resulting in better pellet characteristics.

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Section: Introductionmentioning

confidence: 99%

Quality of Pellets Obtained from Whole Trees Harvested from Plantations, Coppice Forests and Regular Thinnings

Latterini

Civitarese

Walkowiak

et al. 2022

Forests

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show abstract

“…The literature suggests that the storage and transport capacity of pellets can be enhanced by increasing their bulk density. According to Gilvari, van Battum, van Dijk, de Jong, and Schott [49], it is advisable to prevent fluctuations in bulk density as the feeding of boilers and gasifiers is typically dependent on volume. According to Nielsen, Mandø, and Rosenørn [50] design specifications, wood pellet producers should aim for a bulk density of 650 kg/m 3 .…”

Section: Current Concerns Of Biomass Utilizationmentioning

confidence: 99%

A Review of Comprehensive and Ethical Utilization of the Worlds Biomass Resources

Fernandez

2023

JEBI

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In conventional practice, unprocessed biomass resources are transported to biorefineries where they undergo preprocessing to become feedstock before undergoing conversion into various products. The constant supply of biomass to biorefinery cannot be achieved on a just-in-time basis due to the fact that various forms of biomaterials, such as energy crops, logging residue, and agricultural residue, are harvested based on their cycle of development and optimum harvesting timeframe. Biomaterials are typically stored and subsequently transported to biorefineries on an as-needed basis. The current approach has resulted in various challenges concerning logistics, biomass degradation caused by fire and microorganisms, and irregular quality of feedstock as a result of the changing characteristics of the delivered biomass materials. This has been observed through previous encounters. The aforementioned factors have resulted in elevated feedstock expenses, reduced processing capacity, and diminished product output for biorefineries. The present study introduces a novel approach to tackle the challenges associated with conventional methods of biomass feedstock procurement, retention, and preliminary processing, as discussed earlier. This strategy comprises three fundamental elements: firstly, the conservation and preparation of biomass throughout its storage; secondly, the incorporation of all biomass components, even those typically deemed as refuse or impurities; and thirdly, the optimization of the worth of each component. The implementation of this novel methodology involves the establishment of feedstock preprocessing depots in close proximity to the sources of biomass production

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“…The abundant availability of rice husks and gelam wood in Batola Regency makes the potential for their use as raw material for rice husk wood pellets very large [17]. The combination of gelam wood and rice husks into wood pellets can be done because pellets derived from husks have a calorific value of 3090.64 -4049.05 cal/g [18].…”

Section: Introductionmentioning

confidence: 99%

Effect of Variation of Mixture (Wood Gelam+Rice Husk) on Bio-Pellet on the Value of Temperature, Rate and Pressure of Combustion

Subagyo¹

2022

Civense

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The increasing demand for energy causes the depletion of fuel fossil. To overcome this, it is necessary to utilize biomass and biomass waste. The purpose of this study was to simulate the effect of bio-pellet density on temperature, rate and pressure of combustion made from a mixture of gelam wood and rice husk. The method uses ANSYS simulation with literature review. The results showed that the increasing composition of rice husks had an effect on the decreasing combustion rate, this was due to the calorific value of the pellets making up the material. Where the lower calorific value of rice husk has an effect on the rate of combustion. Pellets that have a large density affect the rate of combustion so that it extends the burning time. The density of pellets is influenced by the pressure of pellet molding, the greater the pressure makes the fuel denser and has a large density. The highest combustion air pressure occurs at 100% gelam composition and the lowest at 100% husk composition. This shows that the addition of rice husk composition reduces the combustion pressure and vice versa applies to the addition of gelam composition

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Large-scale transportation and storage of wood pellets: Investigation of the change in physical properties

Cited by 15 publications

References 28 publications

Quality of Pellets Obtained from Whole Trees Harvested from Plantations, Coppice Forests and Regular Thinnings

Quality of Pellets Obtained from Whole Trees Harvested from Plantations, Coppice Forests and Regular Thinnings

A Review of Comprehensive and Ethical Utilization of the Worlds Biomass Resources

Effect of Variation of Mixture (Wood Gelam+Rice Husk) on Bio-Pellet on the Value of Temperature, Rate and Pressure of Combustion

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