Alkali treatment combined with surface carbonized wood for high-efficiency solar interfacial evaporation

Wu, Dongxu; Gao, Yuanzhi; Dai, Zhaofeng; Chen, Bin; Wang, Changling; Zhang, Xiaosong

doi:10.1016/j.applthermaleng.2022.118646

Cited by 14 publications

(4 citation statements)

References 42 publications

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“…Carbonized polymers are becoming one kind of popular materials in the design of interfacial solar evaporators, which could be mainly classified into two categories based on their sources: carbonized natural polymers such as woods, [11,167] fruits, [168] and corncobs [169] and carbonized chemical polymers such as MOFs [65,[170][171][172][173] and poly(ethylene terephthalate) (PET). [174] Normally, the typical carbonized process is achieved under inert gas atmosphere such as nitrogen and argon at high temperature.…”

Section: Carbonized Polymersmentioning

confidence: 99%

“…[174] Normally, the typical carbonized process is achieved under inert gas atmosphere such as nitrogen and argon at high temperature. [169,170,173,175] Still, some other carbonization methods are arising recently, including, using alcohol lamps and hot plates directly, [167,176] as well as hydrothermal carbonization even with templates and catalysts. [168,174,177] The detailed information, including materials, carbonization conditions, and performance of interfacial solar evaporation, is given in Table 5.…”

Section: Carbonized Polymersmentioning

confidence: 99%

“…Surface carbonized bamboo [176] Alcohol lamp 1.65 93.63% KOH-treated pine wood with surface carbonization [167] Hot plate 1.21 81.3%…”

Section: °Cmentioning

confidence: 99%

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Systematic Review of Material and Structural Design in Interfacial Solar Evaporators for Clean Water Production

et al. 2023

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Rational and sustainable utilization of resources is critical for the continuous development of this society. Solar energy, as one of the renewables, shows great potential in replacing part of the traditional energy supplies since it is clean, abundant, and easily convertible to thermal, electrical, and biological energies. Using solar energy as the green driving force, interfacial solar evaporation is a promising way for clean water production to alleviate global water shortage, taking advantage of its high evaporation efficiency (more than 80%) and strong adaptability toward various water sources and fields. In recent years, various kinds of materials with diverse designs have been synthesized and applied in interfacial solar evaporation for clean water production. Herein, recent progress in interfacial solar evaporators for clean water production is systematically reviewed, based on the photothermal conversion mechanisms of solar absorbers, including carbonous, semiconductor‐based, and plasmatic ones. Furthermore, key design factors and strategies in interfacial solar evaporators are reviewed and discussed from material and structural design point of view, such as water transport, thermal management, latent heat for water vaporization, and salt accumulation. Finally, some perspectives related to resolving existing problems in the field are given.

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Section: Carbonized Polymersmentioning

confidence: 99%

Section: Carbonized Polymersmentioning

confidence: 99%

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Systematic Review of Material and Structural Design in Interfacial Solar Evaporators for Clean Water Production

et al. 2023

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“…This is due to the increased reflection of light caused by salt crystallization, which hinders the absorption of sunlight by the evaporator. Additionally, the water transport pathway is blocked, resulting in a significant reduction in the evaporation rate. − Hydrogels are usually composed of a network of polymers with a large number of pores and cross-linked structures. This structure allows hydrogels to adsorb and embed salts, thus, reducing the salt concentration in solution.…”

Section: Introductionmentioning

confidence: 99%

Construction of Hydrogels with Highly Salt-Resistant Honeycomb Porous Structures for Solar Desalination and Steam Generation

Yang,

Wang,

Zhu

et al. 2024

Langmuir

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Interfacial solar desalination is a method for desalinating seawater using solar energy, and the long-term use of this technology requires a stable evaporation rate and some ability to prevent salt crystallization. To address these issues, carbonized polydopamine-coated bentonite (C@PBT), poly(vinyl alcohol), and cellulose nanofibers were used to construct a three-dimensional oriented hydrogel evaporator with a multilayered honeycomb porous structure for long-term desalination. Carbon nanoparticles transferred between the layers of the bentonite, which increases the spacing of the layers and confers a more effective solar light trapping ability. The evaporation rate was 2.26 kg m −2 h −1 in 20 wt % NaCl solution, and no salt crystals were precipitated from the surface of the evaporator in 12 h of continuous operation. This phenomenon occurs due to the wide distribution of pore sizes and the large size of the pores within the evaporator, which create ample space for salt ions to move freely. Furthermore, after undergoing 300 cycles of compression, its internal pore structure remains intact, and the rate of evaporation remains stable. It ensures the evaporator stability during outdoor cycles. The research work provides an effective method to solve the salt accumulation problem and shows its great potential for application.

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Integrating high-entropy alloy oxides with porous wood architectures for boosted salt-resistant water evaporation

Fan,

Liao,

Wang

et al. 2023

Rare Met.

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Alkali treatment combined with surface carbonized wood for high-efficiency solar interfacial evaporation

Cited by 14 publications

References 42 publications

Systematic Review of Material and Structural Design in Interfacial Solar Evaporators for Clean Water Production

Systematic Review of Material and Structural Design in Interfacial Solar Evaporators for Clean Water Production

Construction of Hydrogels with Highly Salt-Resistant Honeycomb Porous Structures for Solar Desalination and Steam Generation

Integrating high-entropy alloy oxides with porous wood architectures for boosted salt-resistant water evaporation

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