Ecological solar absorber coating: A proposal for the use of residual biomass and recycled materials for energy conversion

López-Sosa, Luis Bernardo; González-Avilés, Mauricio; Hernández‐Ramírez, L. M.; Medína, A.; López–Luke, Tzarara; Bravo-Sánchez, Mariela; Zárate‐Medina, J.

doi:10.1016/j.solener.2020.03.102

Cited by 20 publications

(3 citation statements)

References 57 publications

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“…The construction incorporated locally available materials, which make it possible for the repair of this technology to be achieved without difficulties (Figure 7). It has an aluminum structure, polycarbonate walls with a UV protection cover, the surface solar collector is a glass cover on a metal sheet plate with a low environmental impact absorbent film made with materials derived from combustion (López-Sosa et al, 2020, 2022), and the drying trays are made of food grade aluminum and mesh (Figure 7(a)–(d)). The device works indirectly the sun's rays reach a solar absorbing cover made of black galvanized sheet, which transfers the heat to the drying chamber where the trays containing medicinal plants are located.…”

Section: Resultsmentioning

confidence: 99%

Use of design thinking in the proposal of a multi-compound solar dryer applied to processes of traditional P'urhépecha Medicine

Núñez-Montiel,

Cira-Ramos,

Corral-Huacuz

et al. 2024

Energy Exploration & Exploitation

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The development of small-scale solar thermal technologies is useful to address specific energy needs; however, there is a gap between the technology that is developed and the one that is accepted and achieves its use in a sustained long-term manner. In this sense, the development of a double-inclination solar dryer for the dehydration of medicinal plants used in traditional P'urhépecha medicine is presented. From a participatory and consensual perspective of technological co-creation with the user that allows promoting its long-term use, the solar dryer was generated from the Design Thinking methodology and the conventional technological development process. The stages of the proposed process considered the identification of the energy need, the design, sizing and simulation, the prototyping, and the characterization and implementation of the technology in a group of traditional doctors for the drying of local medicinal plants. The result is a solar dryer with thermal efficiency of 23% and exergy efficiency of 3%, which achieves the dehydration of medicinal plants in 1 day with 4.7 kWh of average solar irradiance, and removes more than 80% of the humidity from a maximum load of 5 kilograms. The temperature of the drying chamber exceeds 50°C, and the energy distribution is homogeneous, being a natural convection device, easy to build and with affordable materials. This technology has been implemented in the home of a traditional doctor and it is expected that it can be replicated to satisfy the demand for drying products in indigenous community families in Mexico.

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Section: Resultsmentioning

confidence: 99%

Use of design thinking in the proposal of a multi-compound solar dryer applied to processes of traditional P'urhépecha Medicine

Núñez-Montiel,

Cira-Ramos,

Corral-Huacuz

et al. 2024

Energy Exploration & Exploitation

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“…The CCS in this paper uses the micro-combustion engine as the power device to generate electricity, in which the micro-combustion engine uses the biogas generated in the solar-heated biogas digester as the fuel, and the exhaust heat is used as the power cooling and is used as the heat source for PGE and refrigeration [14]. The system mainly includes a solar-heated biogas system, a micro-combustion turbine power generation system [15].…”

Section: Construction Of a Ccs That Complements Se And Biomass Energymentioning

confidence: 99%

The Combined Cycle System of Solar Energy and Biomass Energy Complementary Based on Organic Rankine Cycle

2020

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Human life is inseparable from energy, but with the progress of economic development and social civilization, energy issues have attracted global attention. In order to produce clean and efficient sustainable energy, this paper designs an internal recuperative organic Rankine cycle(ORC) system, and then based on the operating principle of the ORC system, the heat collection properties of solar energy(SE) and the properties of biomass biogas fermentation are matched, and a CCS is constructed. The power generation system is a power device, which is cooled by power and supplied to the circulation system to generate electricity and refrigeration. In this paper, the performance evaluation experiment of the combined cycle system(CCS) is carried out, and the factors affecting the performance of the CCS are analyzed. The results show that the energy saving(ES) efficiency and emission reduction(ER) rate of the SE CCS are high, which not only saves energy but also protects the environment. If the ambient temperature is too high or too low, the CCS will be affected. If the temperature is too low, the system capacity and efficiency will be reduced. If the temperature is too high, the work of the micro gas turbine(MGT) will be affected. When the ambient temperature remains unchanged, increasing the methane content in the biogas can improve the power generation efficiency(PGE) of the micro-combustion engine.

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“…The literature also shows the potential of carbon-based materials as solar absorbers for solar thermal applications. Studies performed by López-Sosa et al showed that carbon-based materials can be used in solar absorber coatings, where the coating involved the use of soot produced by the combustion of forest resources in Patsari firewood-saving stoves, and the presence of pseudo-amorphous carbon exhibited a solar absorption capacity due to sp 2 −sp 3 bonds present in this kind of carbon source [ 17 ]. However, there are a lack of studies related to the synthesis and characterization of carbon-based materials from agro-industrial waste, such as Citrus aurantium peel for the obtention of sustainable solar absorber materials, and the effect of synthesis conditions, such as temperature, on the physicochemical and optical properties, which could offer an innovative approach to the use of this kind of residue as pigments in the formulation of solar absorber coatings, contributing to reducing the negative socioeconomic and environmental impacts caused by citrus agro-waste.…”

Section: Introductionmentioning

confidence: 99%

Physicochemical and Optical Characterization of Citrus aurantium Derived Biochar for Solar Absorber Applications

et al. 2021

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Agro-industrial waste valorization is an attractive approach that offers new alternatives to deal with shrinkage and residue problems. One of these approaches is the synthesis of advanced carbon materials. Current research has shown that citrus waste, mainly orange peel, can be a precursor for the synthesis of high-quality carbon materials for chemical adsorption and energy storage applications. A recent approach to the utilization of advanced carbon materials based on lignocellulosic biomass is their use in solar absorber coatings for solar-thermal applications. This study focused on the production of biochar from Citrus aurantium orange peel by a pyrolysis process at different temperatures. Biochars were characterized by SEM, elemental analysis, TGA-DSC, FTIR, DRX, Raman, and XPS spectroscopies. Optical properties such as diffuse reflectance in the UV−VIS−NIR region was also determined. Physical-chemical characterization revealed that the pyrolysis temperature had a negative effect in yield of biochars, whereas biochars with a higher carbon content, aromaticity, thermal stability, and structural order were produced as the temperature increased. Diffuse reflectance measurements revealed that it is possible to reduce the reflectance of the material by controlling its pyrolysis temperature, producing a material with physicochemical and optical properties that could be attractive for use as a pigment in solar absorber coatings.

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Ecological solar absorber coating: A proposal for the use of residual biomass and recycled materials for energy conversion

Cited by 20 publications

References 57 publications

Use of design thinking in the proposal of a multi-compound solar dryer applied to processes of traditional P'urhépecha Medicine

Use of design thinking in the proposal of a multi-compound solar dryer applied to processes of traditional P'urhépecha Medicine

The Combined Cycle System of Solar Energy and Biomass Energy Complementary Based on Organic Rankine Cycle

Physicochemical and Optical Characterization of Citrus aurantium Derived Biochar for Solar Absorber Applications

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