首页|A sponge-based iron-tannic-acid hydrogel interface evaporator designed for clean water production
A sponge-based iron-tannic-acid hydrogel interface evaporator designed for clean water production
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Due to the rapid advancement of technologies,there has been a significant increase in the discharge of industrial wastewater,and freshwater is becoming a scarce resource.Currently,research on solar evaporators is mainly focused on the efficient production of clean water,with less emphasis on the removal of residual pollutants remaining in the original solutions.Through this study,problems,including the difficult recovery of catalyst powder and the difficult removal of floating organic matter are solved by co-depositing low-surface-tension zirconia particles and bismuth tungstate onto the floating layer.Hydrogels and melamine sponges were combined to solve the problem that traditional hydrogels lack mechanical strength.An excellent water-repellent effect can be seen from the contact angle between the liquid globule and canvas/felt,which is greater than 155°.The steam generation rate of the assembled evaporation system is 1.78 kg m-2 h-1,and its purification efficiency for methyl orange and rhodamine B exceeds 99％.This study presents a novel strategy for treating wastewater contaminated with organic dyes,aiming to solve problems including environmental damage,water pollution,and water scarcity.
School of Materials Science and Engineering,Liaocheng University,Liaocheng 252059,China
School of Environmental and Material Engineering,Yantai University,Yantai 264405,China
State Key Laboratory of Solid Lubrication,Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences,Lanzhou 730000,China
Natural Science Foundation of Shandong ProvinceNatural Science Foundation of Shandong ProvinceInnovation and Entrepreneurship Training Program for College StudentsInnovation and Entrepreneurship Training Program for College Students
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