Nature-inspired wood-based solar evaporation system for efficient desalination and water purification

Qu, Mengnan; Yan, Jufeng; Ge, Jianwei; Zhao, Yue; Xue, Yuyu; Liu, Xiaofeng; Liu, Hui; Yan, Min; He, Jiaqing

doi:10.1007/s10853-023-08420-8

Cited by 10 publications

(4 citation statements)

References 64 publications

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“…Qu et al [ 93 ] loaded polyaniline on the surface of natural wood using a spraying method. A low-cost, easily manufactured and high-performance wood evaporator was successfully assembled ( Figure 8 f).…”

Section: Application Of Wood Composites In Solar Desalinationmentioning

confidence: 99%

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Research Advances in Wood Composites in Applications of Industrial Wastewater Purification and Solar-Driven Seawater Desalination

Song,

Zheng,

et al. 2023

Polymers

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In recent years, the ecosystem has been seriously affected by sewage discharge and oil spill accidents. A series of issues (such as the continuous pollution of the ecological environment and the imminent exhaustion of freshwater resources) are becoming more and more unmanageable, resulting in a crisis of water quality and quantity. Therefore, studies on industrial wastewater purification and solar-driven seawater desalination based on wood composites have been widely considered as an important development direction. This paper comprehensively analyzes and summarizes the applications of wood composites in the fields of solar-driven seawater desalination and polluted water purification. In particular, the present situation of industrial wastewater containing heavy metal ions, microorganisms, aromatic dyes and oil stains and related problems of solar-driven seawater desalination are comprehensively analyzed and summarized. Generally, functional nanomaterials are loaded into the wood cell wall, from which lignin and hemicellulose are selectively removed. Alternatively, functional groups are modified on the basis of the molecular structure of the wood microchannels. Due to its three-dimensional (3D) pore structure and low thermal conductivity, wood is an ideal substrate material for industrial wastewater purification and solar-driven seawater desalination. Based on the study of objective conditions such as the preparation process, modification method and selection of photothermal conversion materials, the performances of the wood composites in filtration, adsorption and seawater desalination are analyzed in detail. In addition, this work points out the problems and possible solutions in applying wood composites to industrial wastewater purification and solar-driven seawater desalination.

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Section: Application Of Wood Composites In Solar Desalinationmentioning

confidence: 99%

Section: Application Of Wood Composites In Solar Desalinationmentioning

confidence: 99%

Research Advances in Wood Composites in Applications of Industrial Wastewater Purification and Solar-Driven Seawater Desalination

Song,

Zheng,

et al. 2023

Polymers

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“…4 Conjugated polymers feature remarkable advantages, such as high porosity for water transport, microporous and three-dimensional microstructures for multiple solar-light scattering and capture, and excellent optical properties and structural tunability, which give conjugated polymers, such as polypyrrole, polyaniline (PANI), and materials with conjugated structures (lignin), considerable potential in the field of solar water evaporation. 10,12,13 For example, Li et al 14 reported a conjugated microporous polymer (CMP) aerogel prepared by simple carbonization. Due to CMP's rigid π-conjugated structure, large specific surface areas, and tunable porous structure, the evaporation rate of the material in water under a solar light reaches 1.4406 kg m −2 h −1 .…”

Section: ■ Introductionmentioning

confidence: 99%

“…Currently, photothermal conversion materials are mainly used in semiconductor particles, carbon materials, plasma materials, and conjugated polymers. − Conjugated polymers contain numerous π–π conjugated structures, forming splitting energy levels and controllable band gaps similar to those of inorganic semiconductors, endowing them with the same photothermal conversion capability . Conjugated polymers feature remarkable advantages, such as high porosity for water transport, microporous and three-dimensional microstructures for multiple solar-light scattering and capture, and excellent optical properties and structural tunability, which give conjugated polymers, such as polypyrrole, polyaniline (PANI), and materials with conjugated structures (lignin), considerable potential in the field of solar water evaporation. ,, For example, Li et al reported a conjugated microporous polymer (CMP) aerogel prepared by simple carbonization. Due to CMP’s rigid π-conjugated structure, large specific surface areas, and tunable porous structure, the evaporation rate of the material in water under a solar light reaches 1.4406 kg m –2 h –1 .…”

Section: Introductionmentioning

confidence: 99%

Photothermal Properties and Solar Water Evaporation Performance of Lignin-Based Polyurethane Foam Composites

Xi,

Guo,

Wang

et al. 2024

Langmuir

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Solar interfacial evaporation is the most promising route for desalination because it is highly efficient, affordable and offers green energy. Polyurethane foam (PUF) is an ideal substrate material for efficient solar water evaporation because of its low thermal conductivity, affordability, and high efficiency for continuous water transport. However, PUF exhibits poor mechanical properties after water absorption and expansion, and lacks the photothermal conversion effect. In this study, biorefinery lignin with efficient photothermal properties was introduced to prepare functional lignin-based PUF (LPUF), and the relationship between the molecular structure of fractioned lignin and the solar water evaporation performance was systematically investigated. The addition of lignin effectively enhanced the mechanical properties of LPUF after water absorption and swelling, and imparted the foam with a photothermal conversion effect. The water evaporation rate of LPUF was as high as 2.58 kg m −2 h −1 and could be further improved to more than 3.0 kg m −2 h −1 after loading polyaniline (PANI) on the surface of LPUF. LPUF−PANI exerted an excellent purification effect on dye wastewater with outstanding long-term stability, providing a potential solution for ecofriendly and sustainable economic production of fresh water. This study broadens the effective utilization of LPUF bulk materials in the fields of energy and environment.

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Review: wood composites as sustainable energy conversion materials for efficient solar energy harvesting and light management

Wang,

Xu,

Fan

et al. 2024

J Mater Sci

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Nature-inspired wood-based solar evaporation system for efficient desalination and water purification

Cited by 10 publications

References 64 publications

Research Advances in Wood Composites in Applications of Industrial Wastewater Purification and Solar-Driven Seawater Desalination

Research Advances in Wood Composites in Applications of Industrial Wastewater Purification and Solar-Driven Seawater Desalination

Photothermal Properties and Solar Water Evaporation Performance of Lignin-Based Polyurethane Foam Composites

Review: wood composites as sustainable energy conversion materials for efficient solar energy harvesting and light management

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