期刊
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH
卷 112, 期 1, 页码 10-16出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/ijmr-2020-7990
关键词
Zinc oxide nanoflakes; Nitrogen dioxide; Hydrogen; cyanide; Sulfur dioxide; Adsorption
资金
- Vietnam Academy of Science and Technology [TDPCCC.01/18-20]
Zinc oxide nanoflakes were synthesized by wet precipitation method, and the addition of sodium lauryl sulfate resulted in larger size and higher specific surface area. The nanoflakes showed potential adsorption capacities for HCN, NO2, and SO2.
Zinc oxide nanoflakes were synthesized using the wet precipitation method from aqueous solutions of zinc nitrate and sodium hydroxide. The obtained materials were characterized by means of X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and nitrogen adsorption-desorption methods. The presence of sodium lauryl sulfate in the preparation of zinc oxide resulted in thinner, larger size, and higher specific surface area nanoflakes. The saturated adsorption capacities of zinc oxide nanoflakes for HCN, NO2, and SO2 were 216 mg g(-1), 81mg g(-1), and 38 mg g(-1), respectively. These results suggest that the material is a potential candidate for the removal of these toxic gases.
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