A conspectus review on solar drying of wood: regional and technical contrivances

Kumar, Baibhaw; Raj, Arun; Szepesi, G.; Szamosi, Zoltán

doi:10.1007/s10973-023-12093-5

J Therm Anal Calorim

2023

DOI: 10.1007/s10973-023-12093-5

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A conspectus review on solar drying of wood: regional and technical contrivances

Baibhaw Kumar

Arun Raj

G. Szepesi

et al.

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Cited by 5 publications

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“…Lastly, compared to conventional biomass plants, the proposed hybrid plant reduced biomass consumption, thereby reducing its global carbon footprint. Although the present study did not consider it, in the future, the possibility of extending the hybridization to include biomass treatment will be evaluated, for instance, through the use of solar-based drying technologies as proposed by Kumar et al [37]. The following economic analysis took into account different designs of CSP-biomass hybrid power plants, all based on the previously described concept of mixed hybridization.…”

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Techno-Economic Assessment of an Innovative Small-Scale Solar-Biomass Hybrid Power Plant

Godiño

García

2023

Applied Sciences

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The current context of the climate emergency highlights the need for the decarbonization of the energy sector by replacing current fossil fuels with renewable energy sources. In this regard, concentrating solar power (CSP) technology represents a commercially proven alternative. However, these types of plants are associated with high production costs and difficulties in controlling production during temporary variations in solar resource availability. In order to minimize these drawbacks, this study proposes the hybridization of CSP technology with direct biomass combustion, with the particularity of an innovative process scheme that does not correspond to traditional series or parallel configurations. This paper focuses on the techno-economic evaluation of this novel configuration in a small-scale power plant. To achieve this, both solar resource and biomass production, which are dependent on the selected location, were analyzed. Additionally, the plant was characterized from both technical and economic perspectives. The obtained results allowed for the characterization of the Levelized Cost of Energy (LCOE) based on various parameters such as the size of the solar field and biomass boilers, as well as limitations on biomass consumption.

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confidence: 99%

Techno-Economic Assessment of an Innovative Small-Scale Solar-Biomass Hybrid Power Plant

Godiño

García

2023

Applied Sciences

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Solar drying of timber in Harbin, China

Chi,

Wu,

Liu

et al. 2023

Wood Sci Technol

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Evaluating the efficacy of coconut oil as thermal storage media for enhancing solar drying performance of wood fuels

Kumar,

Raj,

Szepesi

et al. 2024

J Therm Anal Calorim

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The appropriate storage, transportation, and utilization of wood-based fuels, including woodchips, pellets, and sawdust, in the energy production process, depends on their efficient drying. Traditional drying methods include limitations such as high thermal losses, inefficient heat transfer, and sustainability issues. These barriers, coupled with the high costs and complexities of maintaining the desired moisture content, underscore the need for innovative solutions. This study introduces a novel approach to wood fuel drying through the integration of phase-change materials (PCMs) with hybrid solar drying systems, aimed at enhancing thermal efficiency and sustainability. Employing coconut oil as the PCM, experiments were performed under a consistent artificial radiation of 755 W m−2. The hybrid system demonstrated the capability to retain approximately 200 watts of useful heat for three hours post-radiation, marking a significant improvement in heat storage. Our findings reveal peak thermal and exergy efficiencies of 30–35% and 13–14%, respectively. An economic and environmental analysis predicts a system lifespan of five years, with the cost of generating one kilogram of hot air at 0.0058 EUR and an annual CO2 emission of 64.09 kg. This research offers a cost-effective and environmentally friendly method for wood fuel drying, presenting a significant advancement for large-scale producers and setting a benchmark for further exploration of wood fuel drying technologies.

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A conspectus review on solar drying of wood: regional and technical contrivances

Cited by 5 publications

References 84 publications

Techno-Economic Assessment of an Innovative Small-Scale Solar-Biomass Hybrid Power Plant

Techno-Economic Assessment of an Innovative Small-Scale Solar-Biomass Hybrid Power Plant

Solar drying of timber in Harbin, China

Evaluating the efficacy of coconut oil as thermal storage media for enhancing solar drying performance of wood fuels

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