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Functionalization of cellulose-based sponges: Design, modification, environmental applications, and sustainability
Weiwei Yang1, Wanying Li1, Yu Lei1
1Institute of Biomedical Engineering, College of Life Science, Qingdao University, Qingdao 266071, China.
Abstract:
The trend of economic globalization is accelerating, and as competition for resources intensifies within the international community, there is an urgent need to seek environmentally friendly renewable resources. Sponges, due to their excellent inherent properties, have significant potential for applications in various fields. While considerable attention has been given to the synthesis of inorganic and plastic/rubber-based sponges in recent years, research on cellulose-based sponges (CBSs) has been on the rise. This review provides an overview of recent advances related to CBSs, detailing their structure and properties, including structural design, functional modification, and applications. An extensive sustainability analysis comparing CBSs with inorganic and plastic/rubber sponges shows that CBSs offer superior sustainability. The review also explores the latest applications of CBSs in environmental science, such as catalysts, dye removal, oil-water separation, ion removal, and seawater evaporation. Overall, this review highlights the inherent advantages of CBSs and encourages the exploration of their broader application areas.
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