Journal of Northeastern University Natural Science ›› 2015, Vol. 36 ›› Issue (1): 129-133.DOI: 10.12068/j.issn.1005-3026.2015.01.028

• Resources & Civil Engineering • Previous Articles     Next Articles

Characterization and Denitriding Effect of Microwave Modified Zeolite Ecomaterials

LIN Hai, YANG Su, ZHANG Wen-tong, MA Qi-jun   

  1. School of Civil and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China,
  • Received:2013-08-23 Revised:2013-08-23 Online:2015-01-15 Published:2014-11-07
  • Contact: LIN Hai
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Abstract: Ecomaterials were modified and prepared by adding different additives on natural zeolite with microwave, and the effect of the matrials on removal of ammonia nitrogen was investigated. The results showed that the removal effect of ammonia nitrogen in sequence under the same modification conditions is microwave-assisted zeolite with sodium acetate, microwave-assisted zeolite with NaCl, microwave-assisted zeolite with SDS, microwave-assisted zeolite with CTMAB, microwave-assisted zeolite and natural zeolite. The aperture, pore volume and BET surface area increased after microwave-assisted zeolite with additives. The results of surface characteristics of zeolite were modificated with microwave or without by SEM and XRD indicated that additives can improve particles surface loose degree of zeolite, and there are more channels, the main diffraction peak intensity weakened,adsorption performance of zeolite improved.

Key words: zeolite, ammonia nitrogen, microwave modification, additives, recycled water treatment

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