期刊
MATERIALS RESEARCH EXPRESS
卷 6, 期 9, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/2053-1591/ab33a6
关键词
boron nitride nanoparticle; surface functional group; theoretical calculation; cationic dye; anionic dye
资金
- Natural Science Foundation in Jiangsu Provience of China [BK20130748]
- Top-notch Academic Programs Project of Jiangsu Higher Education Institution(TAPP)
- Natural Science Foundation of the Jiangsu Higher Education Institutions of China [18KJA180005]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Brand Professional Construction Project in Jiangsu Provinc [PPZY2015A051]
- Joint International Research Laboratory of Global Change and Water Cycle
The adsorption mechanism of neutral red (NR) by boron nitride (BN) nanoparticle has been investigated. BN has negative surface (-31 eV) and its BET area is 11.7 m(2) g(-1). FTIR characterization supports that oxygen-containing functional groups exist on its surface. The adsorption quantity of BN for NR is 26.2 mg g(-1). The kinetic adsorptions of NR by BN follows pseudo-second-order model, while the isotherm adsorptions of NR by BN abides by Langmuir model. Hydrogen bonding between the surface groups of BN and NR is most likely the driving force for the adsorption of NR by BN. The adsorption performance of BN for NR can be regenerated by washing with water.
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