A study on the potential of carbon-based nanomaterials for enhancement of evaporation and water production

Ghafurian, Mohammad Mustafa; Niazmand, Hamid; Dastjerd, Fateme Tavakoli; Mahian, Omid

doi:10.1016/j.ces.2019.05.043

Cited by 33 publications

(9 citation statements)

References 34 publications

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“…Then, the heat diffuses away from the materials leading to an increased temperature of surrounding medium. Due to the closely spaced energy levels of the loosely held π electrons, carbon-based nanomaterials such as carbon nanotube (CNT), graphene, graphene oxide (GO), reduced graphene oxide (rGO), and carbon black have good ability to absorb broadband light. − An ideal blackbody that can absorb the full range of light spectrum with zero reflectance is impractical to be realized because it is nearly impossible to eliminate completely the light reflection. An effective approach to suppress re-emission losses is to use nanostructures to create a large amount of optical microcavities by reflecting faces on two sides of a space layer, which confines light to small volumes by resonant recirculation .…”

Section: Solar Thermal Conversion Materialsmentioning

confidence: 99%

Engineering Materials to Enhance Light-to-Heat Conversion for Efficient Solar Water Purification

Setyawan

Juliananda

Widiyastuti

2022

Ind. Eng. Chem. Res.

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Water scarcity has become one of the most prevalent problems afflicting people throughout the world and is expected to grow worse in the future due limited resources and increasing demand. This problem calls out for an urgent need to develop inexpensive, stand-alone desalination and water purification technologies that can adopt water resource distribution, water quality conditions, economic status, and developing levels of communities. Solar energy is abundantly available and has become one of the most promising emerging strategies in sustainable water treatment technologies. In this review paper, we highlight the recent progress of solar-driven desalination and water purification technologies for clean water production. We begin by introducing the fundamental concepts of solar radiation, solar thermal conversion, and heat localization. Then, we review the key components of solar steam generation including solar-thermal conversion materials, water pathways, and heat insulators and the strategies to promote efficient solar-to-vapor conversion in terms of chemical regulation, structural engineering, and heat management to maximize solar absorption and to minimize heat loss. Next, we discuss an efficient design of a solar steam generation device using an integrated approach that accounts for the performance of photothermal materials, heat losses, and water supply with respect to the hot evaporation region. Last, existing challenges and future opportunities in both fundamental studies and practical implementations of solar steam generation for water purification are discussed.

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Section: Solar Thermal Conversion Materialsmentioning

confidence: 99%

Engineering Materials to Enhance Light-to-Heat Conversion for Efficient Solar Water Purification

Setyawan

Juliananda

Widiyastuti

2022

Ind. Eng. Chem. Res.

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“…Until recent research, scientists have carried out nearly all possible methods regarding the application of a single nanofluid as the cutting fluid, whereas they can actually extend their research to hybrid nanofluids [ 127 , 128 , 129 , 130 , 131 , 132 , 133 ], which are more efficient in this application when compared to the single type of nanofluid. This is because hybrid nanofluids [ 134 , 135 , 136 , 137 , 138 , 139 ] show the maximum efficiency in the particular machining process among the different nanofluids.…”

Section: Future Prospective and Conclusionmentioning

confidence: 99%

Application of Nanofluids for Machining Processes: A Comprehensive Review

Amin

Ali

2022

Nanomaterials

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According to the demand of the present world, as everything needs to be economically viable and environment-friendly, the same concept applies to machining operations such as drilling, milling, turning, and grinding. As these machining operations require different lubricants, nanofluids are used as lubricants according to the latest technology. This paper compares different nanofluids used in the same machining operations and studies their effects. The variation in the nanofluid is based on the type of the nanoparticle and base fluid used. These nanofluids improve the lubrication and cooling in the machining operations. They also aid in the improvement in the surface roughness, cutting forces, cutting temperature of the workpiece, and tool life in the overall process taking place. It is worth noting that nanofluids are more effective than simple lubricating agents. Even within the nanofluid, the hybrid type is the most dominating, and helps to obtain a maximum efficiency through certain machining processes.

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“…The DC motors were connected in parallel to the supply device so that 500 mA of current could be supplied to a voltage of 9 V in order to fully utilize the motor performance. This detailed measurement system has been introduced in previous studies [29].…”

Section: Apparatus and Measurement Of Solar System Performance Accord...mentioning

confidence: 99%

Experimental Investigation on Evaluation of Thermal Performance of Solar Heating System Using Al2O3 Nanofluid

et al. 2020

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Over the years, solar collecting systems have gained interest in renewable energy. This study investigated improving the efficiency of the working fluid in thermal solar systems by using nanofluids with three concentrations of alumina, 0.1, 0.3, and 0.5 wt%. The UV-vis absorbance, electronic conductivity, and thermal transfer properties of the nanofluids were analyzed, and the thermal changes with exposure to solar radiation in an experimental collector system were measured by pyranometer. The electronic conductivity, thermal conductivity, and UV-vis absorbance increased with the alumina concentration. Moreover, the temperatures of the nanofluids increased more under solar irradiation than that of distilled water. This implies that the alumina nanofluids absorb solar energy more efficiently than water. The findings of this study suggest that the use of both alumina nanofluids and nanoparticles will improve the efficiency of thermal solar power systems.

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A study on the potential of carbon-based nanomaterials for enhancement of evaporation and water production

Cited by 33 publications

References 34 publications

Engineering Materials to Enhance Light-to-Heat Conversion for Efficient Solar Water Purification

Engineering Materials to Enhance Light-to-Heat Conversion for Efficient Solar Water Purification

Application of Nanofluids for Machining Processes: A Comprehensive Review

Experimental Investigation on Evaluation of Thermal Performance of Solar Heating System Using Al2O3 Nanofluid

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