基于多层次孔隙压制木粉的高效耐盐太阳能界面蒸发器

IF 6.3 2区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of water process engineering Pub Date : 2024-10-22 DOI:10.1016/j.jwpe.2024.106368

Xiahui Liu , Mengyang Cong , Yuliang Zhang , Ting Shu , Tao Liu , Cadao Nguyen , Xiaobo Chen

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引用次数: 0

摘要

作为一种用于海水淡化和废水净化的生态友好型可持续技术，界面太阳能蒸汽发生技术备受关注。然而，在强盐水和高强度环境等挑战性条件下，由于界面太阳能蒸发器表面的盐分积累，太阳能蒸发器的蒸发效率和使用寿命不可避免地会降低。在此，通过合理设计具有分层孔隙结构的聚多巴胺涂层木粉，开发出了一种在盐水中具有高水蒸发率且无盐积累的板状蒸发器。这种蒸发器不仅具有 2.299 kg m-2 h-1 的高水蒸发率和 155.4 % 的太阳光-蒸汽转换效率，而且即使在 20 wt% 的盐水中也具有优异的耐盐积性。这种蒸发器具有光吸收率高、制备工艺简单、成本低等优点，在太阳能蒸汽发电和海水淡化领域具有广阔的应用前景。

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Highly efficient and salt resistant solar interface evaporator based on pressed wood flour with multi-level pores

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Highly efficient and salt resistant solar interface evaporator based on pressed wood flour with multi-level pores

Interfacial solar steam generation has garnered significant attention as an eco-friendly and sustainable technology for desalination and wastewater purification. Nevertheless, in challenging conditions such as strong brine and high-intensity settings, both the evaporation efficiency and the service life of the solar evaporator are inevitably diminished due to salt accumulation on the surface of interfacial solar evaporators. Here, a platelike evaporator that features high water evaporation rate in brine without salt accumulation is developed by rational design of polydopamine-coated wood powder with a hierarchical pore structure. This evaporator not only exhibits high water evaporation rate of 2.299 kg m⁻² h⁻¹ along with 155.4 % solar-to-steam conversion efficiency under 1 sun illumination, but also deliver exceptional salt accumulation resistance even in 20 wt% brine. With the advantages of a high light absorption rate, easy preparation process, and low cost, this evaporator shows promising potential in the field of solar steam generation and seawater desalination.

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来源期刊

Journal of water process engineering Biochemistry, Genetics and Molecular Biology-Biotechnology

CiteScore

10.70

自引率

8.60%

发文量

846

审稿时长

24 days

期刊介绍： The Journal of Water Process Engineering aims to publish refereed, high-quality research papers with significant novelty and impact in all areas of the engineering of water and wastewater processing . Papers on advanced and novel treatment processes and technologies are particularly welcome. The Journal considers papers in areas such as nanotechnology and biotechnology applications in water, novel oxidation and separation processes, membrane processes (except those for desalination) , catalytic processes for the removal of water contaminants, sustainable processes, water reuse and recycling, water use and wastewater minimization, integrated/hybrid technology, process modeling of water treatment and novel treatment processes. Submissions on the subject of adsorbents, including standard measurements of adsorption kinetics and equilibrium will only be considered if there is a genuine case for novelty and contribution, for example highly novel, sustainable adsorbents and their use: papers on activated carbon-type materials derived from natural matter, or surfactant-modified clays and related minerals, would not fulfil this criterion. The Journal particularly welcomes contributions involving environmentally, economically and socially sustainable technology for water treatment, including those which are energy-efficient, with minimal or no chemical consumption, and capable of water recycling and reuse that minimizes the direct disposal of wastewater to the aquatic environment. Papers that describe novel ideas for solving issues related to water quality and availability are also welcome, as are those that show the transfer of techniques from other disciplines. The Journal will consider papers dealing with processes for various water matrices including drinking water (except desalination), domestic, urban and industrial wastewaters, in addition to their residues. It is expected that the journal will be of particular relevance to chemical and process engineers working in the field. The Journal welcomes Full Text papers, Short Communications, State-of-the-Art Reviews and Letters to Editors and Case Studies