Статья

Hierarchical Bamboo/Silver Nanoparticle Composites for Sustainable Water Purification

Xiao XiaoDepartment of Mechanical Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong SAR, ChinaYiru PuDepartment of Mechanical Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong SAR, ChinaWenqiang ZhangDepartment of Mechanical Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong SAR, ChinaHaitao YeDepartment of Mechanical Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong SAR, ChinaLiqiang WangDepartment of Mechanical Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong SAR, ChinaYanwen JiaDepartment of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, ChinaXinyu GeShenzhen Academic of Metrology and Quality Inspection, Shenzhen, Guangdong 518073, ChinaYuejiao WangDepartment of Mechanical Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong SAR, ChinaA M L OngSuper Bamboo Limited, Kowloon 999077, Hong Kong SAR, ChinaDingkun ZhangLaboratory of Clinical Proteomics and Metabolomics, Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610017, ChinaJian SongGuangdong Provincial Key Laboratory of Durability for Marine Civil Engineering, College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518060, ChinaFanling MengDepartment of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, ChinaRong FanChengdu Research Institute, City University of Hong Kong, Chengdu 610200, ChinaYang LüChengdu Research Institute, City University of Hong Kong, Chengdu 610200, China

2023en

ABI

Аннотация

Water reclamation is the most effective way to continuously provide clean water to combat catastrophic global water scarcity. However, current technology for water purification is not conducive to sustainability due to the high energy consumption and negative environmental impact. Here, we introduce an innovative method by utilizing the hierarchical microstructure of bamboo for water purification. Natural bamboo was delignified followed by freeze-drying to obtain a bamboo aerogel with a porosity of 72.0%; then, the bamboo aerogel was coated with silver nanoparticles to form a hierarchical bamboo/silver nanoparticle composite. The scanning electron microscopy images and energy-dispersive X-ray spectroscopy results indicated that the silver nanoparticles were uniformly attached to the parenchyma cell surface. By physical adsorption and catalytic reduction, the bamboo/silver nanoparticle composite was able to degrade methylene blue by more than 96.7%, which is mainly attributed to the large specific surface area of the bamboo providing more space for the purification reaction. This composite can be potentially used for board applications with its high porosity, mechanical reliability, and sustainability.

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Идентификаторы

DOI: 10.1021/acs.langmuir.3c00602

Цитирования и источники

Цитирований: 2Использованных источников: 0

Показатели — AkademScholar