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Extraction of Meso-pores Amorphous SiO2 from Van Pumice

[ Vol. 7 , Issue. 4 ]

Author(s):

Musa Sarikaya, Mehmat Deniz Turan, Ramazan Aydogmus, Aysegul Yucel, Nilgun Kizilkaya and Tolga Depci*   Pages 301 - 304 ( 4 )

Abstract:


Background: Amorphous silica is widely used in cement and ceramic industry and also for the synthesis of many advanced materials.

Method: Generally, it is produced using sol-gel and precipitation method. In the present study, amorphous SiO2 was extracted from acidic pumice collected from Van Basin in Turkey by alkaline treatment method.

Result: The identification and chemical compositions of the acidic pumice and the amorphous SiO2 were determined by XRD, FTIR, XRF and BET.

Conclusion: The results showed that highly pure amorphous silica powder having a remarkable surface area (358 m2/g) with meso-pore structure was successfully extracted from the acidic pumice samples.

Keywords:

Amorphous SiO2, Pumice, meso-pore, alkaline treatment, Van Pumice, silica gel.

Affiliation:

Department of Mining Engineering, Inonu University, Malatya, Department of Metallurgical and Material Engineering, Firat University, Elazig, Department of Mining Engineering, Inonu University, Malatya, Department of Mining Engineering, Inonu University, Malatya, Department of Mining Engineering, Inonu University, Malatya, Departement of Engineering Science, Iskenderun Technical University, Hatay

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