期刊
ADVANCED SUSTAINABLE SYSTEMS
卷 5, 期 3, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsu.202000236
关键词
magnetic chitosan; magnetic grafted chitosan; magnetic nanodiamonds; magnetic nanoscavengers; reclaimed water quality
资金
- Consejo Nacional de Ciencia y Tecnologia (CONACYT), Mexico [APN2016-2015]
- CONACYT
The study synthesized three different magnetic nanoscavengers and characterized their correct synthesis through various methods; these nanoscavengers act as nano-adsorbents to improve reclaimed water quality, especially showing good performance in removing alkalinity and hardness.
Magnetic nanoparticles are synthesized and modified during a chemical co-precipitation to produce three different magnetic nanoscavengers: nanomagnetite-chitosan, nanomagnetite-nanodiamond and nanomagnetite-chitosan grafted with a carbamoyl benzoic acid. These magnetic nanoscavengers are characterized by Fourier transform infrared spectroscopy, thermogravimetric analysis, dynamic light scattering, zeta potential, and scanning transmission electron microscopy, to prove their correct synthesis. The magnetic nanoscavengers are tested as nano-adsorbents to improve reclaimed water (RW) quality. Special attention is given to changes in RW properties, explaining them as the interfacial interaction between ionic species and nanoscavengers surface. At the same time, the ability of nanoscavengers to remove alkalinity and hardness in RW is demonstrated at pH 7, 8, and 9.
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