Egyptian rice husk was subjected to different chemical and thermal treatment methods, aiming to extract high pure silica. Three samples (S1, S2 and S3) were prepared applying three different chemical treatment methods. Two sets of the obtained samples were prepared, where the first set was calcinated at 600oC and the other set was calcinated at 750 oC by slow heating (starting at RT and ending at the desired calcinations temperature for 2 h).XRF was applied to identify the chemical composition and purity of the extracted silica, while XRD was applied to confirm the amorphous nature and the presence of some induced carbon black in the obtained silica. It was found that S3 slowly heated at 750 oC presents the highest silica content (98.6 %). Such sample was fed directly to the calcinations furnace at 750 oC (sudden heating for comparison) where it presents only 90.6% silica, and 3.74 % residual carbon black. However, the extracted silica from sample S3 was used to prepare glasses obeying the composition (75-x) mol% RH-silica, x mol% Bi2O3, 25 mol% Na2O, (where 0 ≤ x ≤ 20).FTIR spectroscopic analysis was applied to investigate the internal structure of the prepared glasses, where the glass networks were found to contain mainly SiO4, BiO3 and BiO6 structural groups, as well as some bridging and non-bridging oxygen anions. Also, some O-H and H-O-H groups were also detected which may be due to the used KBr disk technique.
Published in | American Journal of Physics and Applications (Volume 3, Issue 3) |
DOI | 10.11648/j.ajpa.20150303.16 |
Page(s) | 97-105 |
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Silica from Rice Husk, Silicate Glasses, Bi-Na-Silicate Glass, XRD, XRF, Infrared Spectroscopy
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APA Style
H. A. Saudi, S. M. Salem, S. S. Mohammad, A. G. Mostafa, M. Y. Hassaan. (2015). Utilization of Pure Silica Extracted from Rice Husk and FTIR Structural Analysis of the Prepared Glasses. American Journal of Physics and Applications, 3(3), 97-105. https://doi.org/10.11648/j.ajpa.20150303.16
ACS Style
H. A. Saudi; S. M. Salem; S. S. Mohammad; A. G. Mostafa; M. Y. Hassaan. Utilization of Pure Silica Extracted from Rice Husk and FTIR Structural Analysis of the Prepared Glasses. Am. J. Phys. Appl. 2015, 3(3), 97-105. doi: 10.11648/j.ajpa.20150303.16
AMA Style
H. A. Saudi, S. M. Salem, S. S. Mohammad, A. G. Mostafa, M. Y. Hassaan. Utilization of Pure Silica Extracted from Rice Husk and FTIR Structural Analysis of the Prepared Glasses. Am J Phys Appl. 2015;3(3):97-105. doi: 10.11648/j.ajpa.20150303.16
@article{10.11648/j.ajpa.20150303.16, author = {H. A. Saudi and S. M. Salem and S. S. Mohammad and A. G. Mostafa and M. Y. Hassaan}, title = {Utilization of Pure Silica Extracted from Rice Husk and FTIR Structural Analysis of the Prepared Glasses}, journal = {American Journal of Physics and Applications}, volume = {3}, number = {3}, pages = {97-105}, doi = {10.11648/j.ajpa.20150303.16}, url = {https://doi.org/10.11648/j.ajpa.20150303.16}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpa.20150303.16}, abstract = {Egyptian rice husk was subjected to different chemical and thermal treatment methods, aiming to extract high pure silica. Three samples (S1, S2 and S3) were prepared applying three different chemical treatment methods. Two sets of the obtained samples were prepared, where the first set was calcinated at 600oC and the other set was calcinated at 750 oC by slow heating (starting at RT and ending at the desired calcinations temperature for 2 h).XRF was applied to identify the chemical composition and purity of the extracted silica, while XRD was applied to confirm the amorphous nature and the presence of some induced carbon black in the obtained silica. It was found that S3 slowly heated at 750 oC presents the highest silica content (98.6 %). Such sample was fed directly to the calcinations furnace at 750 oC (sudden heating for comparison) where it presents only 90.6% silica, and 3.74 % residual carbon black. However, the extracted silica from sample S3 was used to prepare glasses obeying the composition (75-x) mol% RH-silica, x mol% Bi2O3, 25 mol% Na2O, (where 0 ≤ x ≤ 20).FTIR spectroscopic analysis was applied to investigate the internal structure of the prepared glasses, where the glass networks were found to contain mainly SiO4, BiO3 and BiO6 structural groups, as well as some bridging and non-bridging oxygen anions. Also, some O-H and H-O-H groups were also detected which may be due to the used KBr disk technique.}, year = {2015} }
TY - JOUR T1 - Utilization of Pure Silica Extracted from Rice Husk and FTIR Structural Analysis of the Prepared Glasses AU - H. A. Saudi AU - S. M. Salem AU - S. S. Mohammad AU - A. G. Mostafa AU - M. Y. Hassaan Y1 - 2015/05/26 PY - 2015 N1 - https://doi.org/10.11648/j.ajpa.20150303.16 DO - 10.11648/j.ajpa.20150303.16 T2 - American Journal of Physics and Applications JF - American Journal of Physics and Applications JO - American Journal of Physics and Applications SP - 97 EP - 105 PB - Science Publishing Group SN - 2330-4308 UR - https://doi.org/10.11648/j.ajpa.20150303.16 AB - Egyptian rice husk was subjected to different chemical and thermal treatment methods, aiming to extract high pure silica. Three samples (S1, S2 and S3) were prepared applying three different chemical treatment methods. Two sets of the obtained samples were prepared, where the first set was calcinated at 600oC and the other set was calcinated at 750 oC by slow heating (starting at RT and ending at the desired calcinations temperature for 2 h).XRF was applied to identify the chemical composition and purity of the extracted silica, while XRD was applied to confirm the amorphous nature and the presence of some induced carbon black in the obtained silica. It was found that S3 slowly heated at 750 oC presents the highest silica content (98.6 %). Such sample was fed directly to the calcinations furnace at 750 oC (sudden heating for comparison) where it presents only 90.6% silica, and 3.74 % residual carbon black. However, the extracted silica from sample S3 was used to prepare glasses obeying the composition (75-x) mol% RH-silica, x mol% Bi2O3, 25 mol% Na2O, (where 0 ≤ x ≤ 20).FTIR spectroscopic analysis was applied to investigate the internal structure of the prepared glasses, where the glass networks were found to contain mainly SiO4, BiO3 and BiO6 structural groups, as well as some bridging and non-bridging oxygen anions. Also, some O-H and H-O-H groups were also detected which may be due to the used KBr disk technique. VL - 3 IS - 3 ER -