Improving the performance of tubular solar still integrated with drilled carbonized wood and carbon black thin film evaporation

Sharshir, Swellam W.; Kandeal, A.W.; Ellakany, Youssef M.; Maher, Ibrahem; Khalil, Ahmed; Swidan, Ahmed; Abdelaziz, Gamal B.; Koheil, Hany; Rashad, Mona M.

doi:10.1016/j.solener.2022.01.065

Cited by 57 publications

(8 citation statements)

References 81 publications

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“…The results showed that the accumulated distilled water productivity was improved by 45% when the V‐corrugated wick material absorber was used. Sharshir et al 8 improved the performance of a TSS by proposing a thin film evaporation technique. A medium density fiber wood layer was proposed as a floating thin film due to its floatability and capillarity.…”

Section: Introductionmentioning

confidence: 99%

A tubular solar still integrated with a heat pipe

Al-Dulaimi

Amori

2023

Heat Trans

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The aim of this work is to explore the thermal performance of a tracked tubular solar still (TSS) with a parabolic trough concentrator in Baghdad (33.27° N, 44.37° E) in September 2022. The present tubular still is distinguished by its hexagonal glass cover. The effect of integrating the TSS with a heat pipe, the still tilt angle (10°, 15°), and the depth of saline water inside the still partitions on the productivity of freshwater are investigated. The results showed that using heat pipe enhances the freshwater productivity by 25%–40% and the efficiency by 25%. For the still integrated with heat pipe, as the water depth is increased from 5.5 to 6.5 cm the productivity of freshwater is increased by 16% and 20% for tilt angles 10° and 15°, respectively.

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Section: Introductionmentioning

confidence: 99%

A tubular solar still integrated with a heat pipe

Al-Dulaimi

Amori

2023

Heat Trans

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“…Thus, obtaining fresh water has become a significant problem affecting human development. , This issue can be addressed through solar steam power generation because it is an energy saving and clean alternative. − However, the cost of complex water transport systems and evaporative surface structures constructed from artificial materials inevitably increases, thereby limiting their commercial use and expansion to underdeveloped areas . Inspired by plant transpiration, wood, bamboo, and other natural renewable environment-friendly materials are ideal substrate materials for preparing solar evaporation devices owing to their advantages of abundant availability, low price, porous structure, low thermal conductivity, and hydrophilicity. − For example, Zheng et al developed PI/MXene hybrid aerogel/PEG composites that demonstrated great application potential for seawater desalination . Sheng et al developed a bamboo-based solar evaporator that combined Pd and Ag nanoparticles with natural bamboo .…”

Section: Introductionmentioning

confidence: 99%

Carbonized Fast-Growing Bamboo as a Photothermal Device for Efficient Solar Vapor Generation

Zhang

Sheng

Xie

et al. 2023

Ind. Eng. Chem. Res.

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Solar steam generation is an effective method for solving the freshwater shortage problem. In this study, porous carbonized bamboo (CB) was prepared through high-temperature (700 °C) carbonization under an argon atmosphere for efficient solar steam evaporation. The vertical porous structure of natural bamboo was retained after carbonization for water transportation. Moreover, carbonized bamboo could effectively enhance the degree of graphitization, which is conducive to the absorption of sunlight. According to the results of analysis test, it was obvious that the carbonized bamboo (CB-700) possessed excellent solar energy evaporation potential. The evaporation rate was up to 2.034 kg m −2 h −1 under 1 sun illumination and its solar absorption was averagely 90% in the range of 500−2500 nm. Moreover, the thermal conductivity coefficients of CB-700 and bamboo were 0.1964 and 0.2374 W m −1 K −1 , respectively. Owing to this excellent local heat concentration, the surface temperature of CB-700 could achieve 73 °C under 7 sun illumination. Additionally, the material demonstrated an excellent desalting effect on seawater with satisfactory mechanical stability. Thus, the readily available carbonized bamboo can be potentially applied for solar steam generation.

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“…The natural-derived porous wood has become an ideal candidate for the construction of a water transport substrate for SIE . The natural hydrophilicity and low thermal conductivity of wood could improve the water transport performance and reduce heat loss. , So far, developments of wood-based SIE are mainly focused on strategies based on surface modifications with various photothermal materials including conjugated organic polymers, semiconductors, plasmonic nanomaterials, , wood carbonization, − and carbon-based materials. − As a narrow band gap (0.3 eV) semiconductor with a full spectral range for utilizing solar energy, nickel disulfide (NiS 2 ) has been demonstrated as a promising nanomaterial for constructing SIE photothermal modules. , Lignin also shows good photothermal conversion as a natural polymer, which was attributed to π–π stacking of lignin molecules . However, the synthesis of photothermal materials often suffers from the tedious steps and harsh conditions.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of a Highly Efficient Wood-Based Solar Interfacial Evaporator with Self-Desalting and Sterilization Performance

et al. 2022

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Solar interfacial evaporation based on wood-derived materials has been considered a promising strategy for desalination and wastewater purification. Herein, we adopted delignified wood (DW) as the water transport substrate and lignosulfonate (LS)-modified narrow-band gap semiconductor nickel disulfide (NiS2) as the light-absorbing agent (LS-NiS2) to fabricate a high-efficiency evaporator (LS-NiS2@DW). On the one hand, the high absorbance (>95%) within a broad wavelength range and excellent photothermal conversion efficiency of LS-NiS2 endow efficient solar energy utilization. On the other hand, the hydrophilicity of DW facilitates water activation, which results in a lower evaporation enthalpy of LS-NiS2@DW (1274.4 kJ kg–1) than that of pure water. By combining LS-NiS2 and DW, LS-NiS2@DW achieved an evaporation rate as high as 2.80 kg m–2 h–1 under one sun irradiation (1 kW m–2), and the evaporation efficiency reached 87.4%. Notably, LS-NiS2@DW exhibits a high evaporation rate (2.42–2.69 kg m–2 h–1) in simulated seawater for 24 h with no salt crystals formed on the surface. Moreover, LS-NiS2@DW shows high antibacterial activity with about 90% reduction in bacterial survival rate. This work could provide new perspectives for the design of a high-efficiency wood-based photothermal evaporator.

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Improving the performance of tubular solar still integrated with drilled carbonized wood and carbon black thin film evaporation

Cited by 57 publications

References 81 publications

A tubular solar still integrated with a heat pipe

A tubular solar still integrated with a heat pipe

Carbonized Fast-Growing Bamboo as a Photothermal Device for Efficient Solar Vapor Generation

Fabrication of a Highly Efficient Wood-Based Solar Interfacial Evaporator with Self-Desalting and Sterilization Performance

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