Adsorption characteristics of the sericite and diatomite for ammonia gas 


Vol. 12,  No. 3, pp. 175-181, Sep.  2006


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  Abstract

The feasibility of the use of porous fossil diatoms for indoor air pollution control was investigated via the characterization of physical and chemical properties. The fossil diatoms were observed by SEM(Scanning Electron Microscope). Diatomite had well-distributed pores below 5nm and relatively large surface area compare to sericite. However, no porosity in sericite was found. Results showed that diatomite had better performance than sericite in respect to porosity and large surface area. But diatomite which is thermally treated at 950℃ has no porosity and low surface area beacuse of combustion of fossil diatoms or calcination of inorganic oxide at high temperature, and has poor adsorption capability of ammonia gas. In conclusion, porous diatomite has relatively high performace to adsorb noxious chemical compounds, such as ammonia gas and VOCs.

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  Cite this article

[IEEE Style]

L. S, K. J, Y. CY, Y. J, "Adsorption characteristics of the sericite and diatomite for ammonia gas," Clean Technology, vol. 12, no. 3, pp. 175-181, 2006. DOI: .

[ACM Style]

Lee S, Kim J, Yun CY, and Yi J. 2006. Adsorption characteristics of the sericite and diatomite for ammonia gas. Clean Technology, 12, 3, (2006), 175-181. DOI: .

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