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Sustainable Cellulose Aerogel from Waste Cotton Fabric for High-Performance Solar Steam Generation
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2021-10-12 , DOI: 10.1021/acsami.1c13362 Huijie Liu 1 , Md Kowsar Alam 1 , Mantang He 1 , Ye Liu 1 , Liming Wang 1 , Xiaohong Qin 1 , Jianyong Yu 2
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2021-10-12 , DOI: 10.1021/acsami.1c13362 Huijie Liu 1 , Md Kowsar Alam 1 , Mantang He 1 , Ye Liu 1 , Liming Wang 1 , Xiaohong Qin 1 , Jianyong Yu 2
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The textile industry has been considered as one of the polluting industries, producing a large amount of textile waste and CO2 emissions each year. Recycling of waste fabric has attracted more research interest in recent years. Herein, renewable polydopamine (PDA)-functionalized cellulose aerogels (CAs) have been designed by a feasible and green way for clean water generation. With the polymerization of PDA on the surface, which possesses excellent photothermal conversion performance and water purification ability, the resulting CA could achieve a high light absorption of 96.5% with the evaporation rate of 2.74 kg m–2 h–1 under 1 sun. Meanwhile, the solar steam generator with the increasing height can absorb energy from adjacent ambient air to strengthen the vapor generation. The features of renewable CAs can achieve efficient water evaporation, which combined with their low material cost and recycling, offer promise in reducing not only energy consumption but also the environmental footprint of cotton textiles.
中文翻译：
来自废棉织物的可持续纤维素气凝胶，用于高性能太阳能蒸汽生成
纺织业一直被认为是污染行业之一，每年产生大量纺织废料和CO 2排放。近年来，废旧织物的回收利用引起了越来越多的研究兴趣。在此，可再生聚多巴胺 (PDA) 功能化纤维素气凝胶 (CA) 已被设计为一种可行且绿色的清洁水生成方式。PDA在表面聚合，具有优异的光热转换性能和净水能力，所得CA可达到96.5%的高吸光率，蒸发量为2.74 kg m –2 h –11 太阳下。同时，随着高度的增加，太阳能蒸汽发生器可以从相邻的环境空气中吸收能量，以加强蒸汽的产生。可再生 CA 的特性可以实现高效的水分蒸发，结合其低材料成本和回收利用，不仅有望减少能源消耗，还有助于减少棉纺织品的环境足迹。
更新日期：2021-10-27
中文翻译：
来自废棉织物的可持续纤维素气凝胶，用于高性能太阳能蒸汽生成
纺织业一直被认为是污染行业之一，每年产生大量纺织废料和CO 2排放。近年来，废旧织物的回收利用引起了越来越多的研究兴趣。在此，可再生聚多巴胺 (PDA) 功能化纤维素气凝胶 (CA) 已被设计为一种可行且绿色的清洁水生成方式。PDA在表面聚合，具有优异的光热转换性能和净水能力，所得CA可达到96.5%的高吸光率，蒸发量为2.74 kg m –2 h –11 太阳下。同时，随着高度的增加，太阳能蒸汽发生器可以从相邻的环境空气中吸收能量，以加强蒸汽的产生。可再生 CA 的特性可以实现高效的水分蒸发，结合其低材料成本和回收利用，不仅有望减少能源消耗，还有助于减少棉纺织品的环境足迹。
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