Durability Assessment of Wooden Pellets in Relation with Vibrations Occurring in a Logistic Process of the Final Product

Kuranc, Andrzej; Stoma, Monika; Rydzak, L.; Pilipiuk, Monika

doi:10.3390/en13225890

Cited by 8 publications

(3 citation statements)

References 42 publications

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“…The rice husk briquettes were dropped vertically from a height of 2 m, then the mass loss was weighed. The durability was calculated using Equation (1) [23]. This study is crucial, as it determines the quality and handling of briquette in terms of storage, transportation, and operation.…”

Section: Durabilitymentioning

confidence: 99%

Moisture Content Impact on Properties of Briquette Produced from Rice Husk Waste

Saeed

Harun

Bilad³

et al. 2021

Sustainability

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An agricultural waste-based source of energy in the form of briquettes from rice husk has emerged as an alternative energy source. However, rice husk-based briquette has a low bulk density and moisture content, resulting in low durability. This study investigated the effect of initial moisture contents of 12%, 14%, and 16% of rice husk-based briquettes blended with 10 wt% of kraft lignin on their chemical and physical characteristics. The briquetting was done using a hand push manual die compressor. The briquette properties were evaluated by performing chemical (ultimate and proximate analysis, thermogravimetric analysis), physical (density, durability, compressive strength, and surface morphology) analyses. The durability values of all briquette samples were above 95%, meeting the standard with good compressive strength, surface morphology, and acceptable density range. The briquette made from the blend with 14% moisture content showed the highest calorific value of 17.688 MJ kg−1, thanks to its desirable morphology and good porosity range, which facilitates the transport of air for combustion. Overall, this study proved the approach of enhancing the quality of briquettes from rice husk by controlling the moisture content.

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Section: Durabilitymentioning

confidence: 99%

Moisture Content Impact on Properties of Briquette Produced from Rice Husk Waste

Saeed

Harun

Bilad³

et al. 2021

Sustainability

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show abstract

“…This is due to both economic reasons and the quality of the final product [42][43][44]. Inadequate storage and transport conditions may reduce the calorific value and other quality features of wood pellets, such as mechanical strength, degree of crushing, or ash content, which are key determinants of the selection of the appropriate type of fuel [45].…”

Section: Discussionmentioning

confidence: 99%

Estimating the Optimal Location for the Storage of Pellet Surplus

Bochniak

Stoma

2021

Energies

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This paper deals with the problem of managing the surplus that arises during the seasonal production of pellets, which will be sold in the period of increased demand. Dijkstra’s algorithm is used in issues connected with finding a new storage place with a view of the optimisation of the transport costs of pellets produced by a company in 18 different towns in the Lubelskie Voivodeship in Poland. The most optimal location for the new pellet storage site has been determined, for which the total length of the traveled routes is the shortest, taking into account the actual shares of individual plants in the total production. The construction of the graph with the shortest paths was made on the basis of the existing network of available transport roads, and the nodes of the graph were their intersections. The most advantageous storage location of pellets was identified by the calculation the total transport cost using a minimum-cost tree of shortest paths. Based on the estimated transport assumptions, the lowest total cost of transport from all 18 plants was 3092.0 (km), which corresponds to an average distance to production plants of 89.7 km and 61.7 km to estimated selling distribution. The new storage point is suggested near the town of Piaski. Average cost of travel for all trees obtained for existing plant locations and subsequent distribution to points of sale was 4113.7 (km), while standard deviation 735.2 (km). Additionally, a relative increase in costs was estimated in the case of selecting other locations. Using spatial interpolation and geoprocessing tools, a map—showing the increase in pellet transport costs in relation to the most optimal solution—was developed. The constructed map allows for a better analysis of cost increases than a single point. It was stated that the increase in transport costs does not exceed 10% of lowest cost for 17.6% area of studied area. It was found that the most convenient area is shifted to the south of the voivodship and improperly adopted storage location can increase transport costs by up to 75%.

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“…Further, pellets with a diameter of 8 mm had lower durability than pellets with a diameter of 6 mm. The strength of pellets was lower realized according to ISO 17831-1 compared to the vibration method [10]. Miloš Matúš et al measured the mechanical durability by using the Tumbler tester 1000 device according to ISO 17831.…”

Section: Introductionmentioning

confidence: 99%

Energy Consumption Depending on the Durability of Pellets Formed from Sawdust with an Admixture of FFP2 Masks

et al. 2022

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At present, we are still feeling the effects of the COVID-19 pandemic in connection with the huge amount of waste generated. However, the reuse of the produced waste in other processes requires energy consumption. This article deals with the reuse of face masks FFP2, which were added as an admixture to spruce or beech sawdust and then processed into pellets. During the production process of the pellets, energy consumption was measured and further converted to one ton of pellets, and also the consumption was reflected in the price of electricity. After storage, the mechanical durability and dimensions of the individual pellets were measured, and their density was calculated. Based on the results, it can be concluded that spruce pellets with 10% face masks FFP2 (consumption 747.41 kWh; durability 97.53%) and beech pellets with 5% face masks FFP2 (consumption 721.27 kWh; durability 97.38%) achieved higher values of mechanical durability and also consumed more energy than the remaining samples with lower values of durability without considering the sample with spruce sawdust and 5% FFP2 face masks (consumption 872.63 kWh; durability 91.68%). The production of spruce pellets with 5% FFP2 face masks was affected mainly by cold outside weather.

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Durability Assessment of Wooden Pellets in Relation with Vibrations Occurring in a Logistic Process of the Final Product

Cited by 8 publications

References 42 publications

Moisture Content Impact on Properties of Briquette Produced from Rice Husk Waste

Moisture Content Impact on Properties of Briquette Produced from Rice Husk Waste

Estimating the Optimal Location for the Storage of Pellet Surplus

Energy Consumption Depending on the Durability of Pellets Formed from Sawdust with an Admixture of FFP2 Masks

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