Using pellet fuels for residential heating: A field study on its efficiency and the users’ satisfaction

Nižetić, Sandro; Agis, Papadopoulos; Radica, Gojmir; Zanki, Vlasta; Arıcı, Müslüm

doi:10.1016/j.enbuild.2018.12.007

Cited by 35 publications

(9 citation statements)

References 28 publications

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“…Energies 2020, 13, x FOR PEER REVIEW 3 of 19 of components of different particle sizes (dusty materials), different particle shapes, etc., into a uniform, durable product [33,[40][41][42][43][44]. Fuel pellets are becoming more common both in the power industry and in low-and medium-power installations; so-called prosumer energy.…”

Section: Methodsmentioning

confidence: 99%

“…Moreover, fuels in the form of pellets may be transported and stored without packaging having improved storage conditions: reduced risks affiliated with the microbial hazards (i.e., the development of bacteria and fungi in materials of plant origin). The agglomeration process allows the creation of a material mix consisted of components of different particle sizes (dusty materials), different particle shapes, etc., into a uniform, durable product [33,[40][41][42][43][44]. Fuel pellets are becoming more common both in the power industry and in low-and medium-power installations; so-called prosumer energy.…”

Section: Introductionmentioning

confidence: 99%

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The Utilization of Plum Stones for Pellet Production and Investigation of Post-Combustion Flue Gas Emissions

et al. 2020

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Agri-food waste is generated at various food cycle stages and is considered to be a valuable feedstock in energy systems and chemical syntheses. This research identifies the potential and suitability of a representative agri-food waste sample (i.e., plum stones) as a solid fuel. Ground plum stones containing 10, 15, and 20 wt.% of rye bran were subjected to pelletization. The pelletizer was operated at 170, 220, and 270 rpm, and its power demand for the mixture containing 20 wt.% of rye bran was 1.81, 1.89, and 2.21 kW, respectively. Such pellets had the highest quality in terms of their density (814.6 kg·m−3), kinetic durability (87.8%), lower heating value (20.04 MJ·kg−1), and elemental composition (C: 54.1 wt.%; H: 6.4 wt.%; N: 0.73 wt.%; S: 0.103 wt.%; Cl: 0.002 wt.%; O: 38.2 wt.%). Whole plum stones and pellets were subjected to combustion in a 25 kW retort grate boiler in order to determine the changes in the concentrations of NO, SO2, CO, CO2, HCl, and O2 in the post-combustion flue gas. Collected results indicate that plum stone–rye bran pellets can serve as effective substitutes for wood pellets in prosumer installations, meeting the Ecodesign Directive requirements for CO and NO.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Utilization of Plum Stones for Pellet Production and Investigation of Post-Combustion Flue Gas Emissions

et al. 2020

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“…Hence, direct combustion or cocombustion of pelleted forest biomass with coal could increase combustion efficiency. For instance, it has been reported that the efficiency of pellet-fired boilers ranged between 85 and 90% compared with wood-fired boilers varying from 75 to 85% (Sandro et al, 2019). Forest biomass can also be mixed with other biomass to enhance the overall properties of the mixture for pellet production (de Souza et al, 2020).…”

Section: Forest Biomass Pelletsmentioning

confidence: 99%

An Overview on the Conversion of Forest Biomass into Bioenergy

Qian

Wang

et al. 2021

Front. Energy Res.

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Biomass plays a crucial role in mitigating the concerns associated with increasing fossil fuel combustion. Among various types of biomass, forest biomass has attracted considerable attention given its abundance and variations. In this work, an overview is presented on different pathways available to convert forest biomass into bioenergy. Direct use of forest biomass could reduce carbon dioxide emissions associated with conventional energy production systems. However, there are certain drawbacks to the direct use of forest biomass, such as low energy conversion rate and soot emissions and residues. Also, lack of continuous access to biomass is a severe concern in the long-term sustainability of direct electricity generation by forest biomass. To solve this problem, co-combustion with coal, as well as pelletizing of biomass, are recommended. The co-combustion of forest biomass and coal could reduce carbon monoxide, nitrogen oxides, and sulfide emissions of the process. Forest biomass can also be converted into various liquid and gaseous biofuels through biochemical and thermochemical processes, which are reviewed and discussed herein. Despite the favorable features of forest biomass conversion processes to bioenergy, their long-term sustainability should be more extensively scrutinized by future studies using advanced sustainability assessment tools such as life cycle assessment, exergy, etc.

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“…Regarding the purpose for which they are used, 55% is for domestic use and 45% for industrial applications [19]. In Europe, the use of pellets has increased both domestically and industrially; however, industry accounts for the majority of this increase [20]. In Portugal, the market consists of small direct consumers with small and medium consumption peaks in the winter period, from October to April [21].…”

Section: Introductionmentioning

confidence: 99%

A Logistics Management System for a Biomass-to-Energy Production Plant Storage Park

et al. 2020

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The biomass industry is growing due to the current search for greener and more sustainable alternatives to fossil energy sources. However, this industry, due to its singularity, presents several challenges and disadvantages related to the transportation of raw materials, with the large volumes that are usually involved. This project aimed to address this internal logistics situation in torrefied biomass pellets production with two different biomass storage parks, located in Portugal. The main park receives raw material coming directly from the source and stores it in large amounts as a backup and strategic storage park. The second park, with smaller dimensions, precedes the production unit and must be stocked daily. Therefore, a fleet of transport units with self-unloading cranes is required to help to unload the biomass at the main park and transport the raw material from this park to the one preceding the production unit. Thus, the main goal was to determine the dimensions of the fleet used in internal transportation operations to minimize the idle time of the transport units using a methodology already in use in the mining and quarrying industry. This methodology was analyzed and adapted to the situation presented here. The implementation of this study allows the elimination of unnecessary costs in an industry where the profit margins are low.

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Using pellet fuels for residential heating: A field study on its efficiency and the users’ satisfaction

Cited by 35 publications

References 28 publications

The Utilization of Plum Stones for Pellet Production and Investigation of Post-Combustion Flue Gas Emissions

The Utilization of Plum Stones for Pellet Production and Investigation of Post-Combustion Flue Gas Emissions

An Overview on the Conversion of Forest Biomass into Bioenergy

A Logistics Management System for a Biomass-to-Energy Production Plant Storage Park

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