Citation: Zhe Ming NI, Wei Hua YU, Shao Fen ZHAO, Zhong Hua GE. The Adsorption of NO_x on Magnesium Aluminium Hydrotalcite[J]. Chinese Chemical Letters, ;2004, 15(8): 989-992. shu

The Adsorption of NO_x on Magnesium Aluminium Hydrotalcite

1.
College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032;
2.
College of Zhijiang, Zhejiang University of Technology, Hangzhou 310024

Received Date: 9 July 2003

Magnesium aluminium hydrotalcite (Mg-Al-HT) with molar ratio of Mg-to-Al of 3 to 1 was prepared and characterized by X-ray diffraction (XRD) and infrared spectra (IR).The performances of Mg-Al-HT for the adsorption and desorption of NO_x were studied.The results indicated that the adsorption capacity of the hydrotalcite for NO_x was 1398.2 mg/g, and it was higher than the acticarbon's.The adsorption capacities depended on adsorption time and temperature.Mg-Al-HT could be regenerated by thermal decomposition, and the adsorption efficiency had not changed markedly after three cycles.
- Magnesium aluminium hydrotalcite,
- NO_x,
- adsorption
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