基于羧甲基化再生纤维素纤维的分层通道泡沫高效太阳能海水蒸发器

IF 10.7 1区化学 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymers Pub Date : 2025-07-15 DOI:10.1016/j.carbpol.2025.124071

Hailing Shi , Ruihao Ge , Kai Li , Kui Liu , Yixuan Wang , Fengyu Quan , Kewei Zhang , Xing Tian

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引用次数: 0

摘要

太阳能驱动的水蒸发技术为海水淡化和废水处理提供了一种可持续的方法。然而，创造一种基于生物质的界面蒸发器，实现高耐盐性和快速蒸发速率仍然是一个重大挑战。在这项研究中，我们利用羧甲基化再生纤维素纤维的天然取向特性和优异的亲水性制备了一种新型泡沫。该泡沫具有层次有序的输水通道和大量的亲水基团，提高了输水效率，降低了蒸发焓。聚吡咯的加入使其具有有效的光热转换性能。在模拟阳光条件下，泡沫材料的蒸发速率为3.57±0.04 kg m−2 h−1，蒸发效率为93.8±1.5%，具有较强的抗盐能力。该研究为可持续海水淡化提供了一种实用的解决方案，对未来海水淡化蒸发器的发展具有很大的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

High-efficiency solar seawater evaporator by foam with hierarchically ordered channels based on carboxymethylated regenerated cellulose fibers

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High-efficiency solar seawater evaporator by foam with hierarchically ordered channels based on carboxymethylated regenerated cellulose fibers

Solar energy-driven water evaporation technology presents a sustainable method for seawater desalination and wastewater treatment. However, creating a biomass-based interfacial evaporator that achieves high salt resistance and rapid evaporation rates remains a significant challenge. In this study, we prepared a novel foam from carboxymethylated regenerated cellulose fibers, leveraging their natural orientation properties and excellent hydrophilicity. This foam featured hierarchically ordered water transport channels and numerous hydrophilic groups, which enhanced water transport efficiency and decreased the enthalpy of evaporation. The incorporation of polypyrrole gave it effective photothermal conversion properties. The foam demonstrated strong performance in solar-driven water evaporation, achieving an evaporation rate of 3.57 ± 0.04 kg m⁻² h⁻¹ under simulated sunlight conditions, with an evaporation efficiency of 93.8 ± 1.5 % and a notable ability to resist salt. This research provides a practical solution for sustainable desalination and holds great potential for the future development of desalination evaporators.

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来源期刊

Carbohydrate Polymers 化学-高分子科学

CiteScore

22.40

自引率

8.00%

发文量

1286

审稿时长

47 days

期刊介绍： Carbohydrate Polymers stands as a prominent journal in the glycoscience field, dedicated to exploring and harnessing the potential of polysaccharides with applications spanning bioenergy, bioplastics, biomaterials, biorefining, chemistry, drug delivery, food, health, nanotechnology, packaging, paper, pharmaceuticals, medicine, oil recovery, textiles, tissue engineering, wood, and various aspects of glycoscience. The journal emphasizes the central role of well-characterized carbohydrate polymers, highlighting their significance as the primary focus rather than a peripheral topic. Each paper must prominently feature at least one named carbohydrate polymer, evident in both citation and title, with a commitment to innovative research that advances scientific knowledge.