Utilization of waste forest biomass: pelletization studies of torrefied sawmill wood chips

Rejdak, Michał; Czardybon, A.; Ignasiak, Karina; Robak, J.

doi:10.1051/e3sconf/201910000068

Cited by 6 publications

(2 citation statements)

References 30 publications

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“…The last method to improve the efficiency of this process, among those investigated by scientific research in the last five years, is the application of binders to biomass before torrefaction and pelletization. According to Rejdak et al [116], a very good performance was shown when modified wheat starch was used as a binder, which resulted in improvements in the mechanical characteristics of torrefied pellets. The same author found that a blend of natural wheat starch, molasses, and sodium lignosulfonate resulted in a pellet with good efficiency with slightly lower mechanical characteristics in comparison to one produced with modified wheat starch [116].…”

Section: Pre-and Post-treatmentsmentioning

confidence: 99%

Pellet Production from Woody and Non-Woody Feedstocks: A Review on Biomass Quality Evaluation

Picchio

Latterini²,

Venanzi

et al. 2020

Energies

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Forest and agricultural biomass are important sources of renewable and sustainable fuel for energy production. Their increasing consumption is mainly related to the increase in global energy demand and fossil fuel prices but also to the limited availability of petroleum and the lower environmental impact of these biomass compared with other non-renewable fuels. In particular, the pellet sector has seen important developments in terms of both production and the number of installed transformation plants. In addition, pellet production from non-woody biomass is increasing in importance. One of the fundamental aspects for the correct and sustainable use of a biofuel is evaluation of its quality. This is even more important when dealing with pellet production, considering the broad spectrum of possible raw materials for pelletizing. Considering the significant number of papers dealing with pellet quality evaluation and improvement in the last decade, this review aims to give the reader an overall view of the most current knowledge about this large and interesting topic. We focused on pellets of agricultural and forestry origin and analyzed papers regarding the specific topic of pellet quality evaluation and improvement from the last five years (2016–2020). In particular, the review findings are presented in the following order: the influence of different agro-forest management systems on pellet quality; analysis of pellets from pure feedstocks (no blending or binders); the influence of blending and binders on pellet quality; and the influence of pre and post treatments. Finally, a brief discussion about actual research lacks in this topic and the possibilities for future research are presented. It is important to underline that the present review is focused on the influence of the biomass characteristics on pellet quality. The effects of the process parameters (die temperature, applied pressure, holding time) on pellet features are not considered in this review, because that is another very large topic deserving a dedicated paper.

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Section: Pre-and Post-treatmentsmentioning

confidence: 99%

Pellet Production from Woody and Non-Woody Feedstocks: A Review on Biomass Quality Evaluation

Picchio

Latterini²,

Venanzi

et al. 2020

Energies

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“…All biomass, except for olive kernels, came from Poland. European countries including Poland have well-developed forestry, furniture and food processing industries, which generate significant amounts of organic waste [32][33][34]. Some of them are used for energy purposes by both professional and industrial power plants, wood pellet producers and individual recipients, e.g., in the form of pellets (domestic boilers).…”

Section: Coal Blend and Biocomponents Analysis And Preparation Of Bio...mentioning

confidence: 99%

A Study on Bio-Coke Production—The Influence of Bio-Components Addition on Coke-Making Blend Properties

et al. 2022

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Due to global warming, technologies reducing CO2 emissions in the metallurgical industry are being sought. One possibility is to use bio-coke as a substitute for classic coke made of 100% fossil coal. Bio-coke can be produced on the basis of coal with the addition of substances of biomass origin. Blends for the production of bio-coke should have appropriate coke-making properties to ensure the appropriate quality of bio-coke. The article presents the results of the research on the influence of the addition (up to 20%) of bio-components of different origins to the coke blend on its coke-making properties, i.e., Gieseler Fluidity, Arnu—Audibert Dilatation and Roga Index. The bio-components used in the research were raw and thermally processed waste biomass of different origins (forestry: beech and alder woodchips; sawmill: pine sawdust; and the food industry: hazelnut shells and olive kernels) and commercial charcoal. Studies have shown that both the amount of additive and the type of additive affect the obtained coking properties. There was a decrease in fluidity, dilatation and Roga Index values, with more favorable results obtained for the addition of carbonized biomass and for additives with a higher apparent density. A regressive mathematical model on the influence of the share of the additive and its properties (oxygen content and apparent density) on the percentage decrease in fluidity was also developed.

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Pelletization of torrefied palm kernel shell by using different binding agents

Sambeth

Chang

Samad

et al. 2022

Materials Today: Proceedings

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Utilization of waste forest biomass: pelletization studies of torrefied sawmill wood chips

Cited by 6 publications

References 30 publications

Pellet Production from Woody and Non-Woody Feedstocks: A Review on Biomass Quality Evaluation

Pellet Production from Woody and Non-Woody Feedstocks: A Review on Biomass Quality Evaluation

A Study on Bio-Coke Production—The Influence of Bio-Components Addition on Coke-Making Blend Properties

Pelletization of torrefied palm kernel shell by using different binding agents

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