Characteristic of Silica Level (SiO3) Resulted from the Extraction of Rice Husk Ash with KOH Solvent towards the Amount of Heating Time


  • Riza Wirawan
  • Himawan Hadi Sutrisno
  • Desi Ambarwati
  • Andralisa Febriani





Silica, Rice Husk Ash, KOH


Silica is widely available in nature including the ones in the form of crystal granule, gel and colloid. Silica is known to have a higher boiling point than other materials. The production of silica gel from rice husk ash has a characteristic in the amount of silicone level which depends on its heating time during extraction. This research aims at increasing production of silicone element in rice husk ash extraction method using kalium hydroxide (KOH), with heating time variation during its solution, namely between 15, 30, 45 and 60 minutes. With an observation using EDS, the relationship of heating time toward the silicone level on the resulted material can be discovered. The 15-minute heating time contains the highest silicone level compared to the 30, 45 or even 60-minute heating time.



[1] R. Pode, "Potential applications of rice husk ash waste from rice husk biomass power plant," Renewable and Sustainable Energy Reviews, vol. 53, pp. 1468-1485, 2016.

[2] N. Soltani, A. Bahrami, M. I. Pech-Canul, and L. A. González, "Review on the physicochemical treatments of rice husk for production of advanced materials," Chemical Engineering Journal, vol. 264, pp. 899-935, 2015.

[3] Y. Liu, Y. Guo, W. Gao, Z. Wang, Y. Ma, and Z. Wang, "Simultaneous preparation of silica and activated carbon from rice husk ash," Journal of Cleaner Production, vol. 32, pp. 204-209, 2012.

[4] Y. Shen, P. Zhao, and Q. Shao, "Porous silica and carbon derived materials from rice husk pyrolysis char," Microporous and Mesoporous Materials, vol. 188, pp. 46-76, 2014.

[5] H. Mohamed and M. Lamia, "Implementing flipped classroom that used an intelligent tutoring system into learning process," Computers & Education, vol. 124, pp. 62-76, 2018.

[6] M. Nabil, K. R. Mahmoud, A. El-Shaer, and H. A. Naiber, "Preparation of crystalline silica (quartz, cristobalite, and tridymite) and amorphous silica powder (one step)," Journal Of Physic and Chemistry of Solid, vol. 121, p. 5, 2018.

[7] S. H. Kwon, I. H. Park, C. M. Vu, and H. J. Choi, "Fabrication and electro-responsive electrorheological characteristics of rice husk-based nanosilica suspension," journal of Taiwan Institute of Chemical Engineering, 2018.

[8] Y. Shi and G. Wang, "The novel silicon-containing epoxy/PEPA phosphate flame retardant for transparent intumescent fire resistant coating," Applied Surface Science, vol. 385, pp. 453-463, 2016.

[9] S. Sembiring, W. Simanjuntak, R. Situmorang, A. Riyanto, and K. Sebayang, "Preparation of Refractory cordierite using amorphous rice husk silica for thermal insulation purpose," Ceramics International, vol. 42, p. 6, 2016.

[10] Q. Wu, Q. Zhang, L. Zhao, S.-N. Li, L.-B. Wu, J.-X. Jiang, et al., "A novel and facile strategy for highly flame retardant polymer foam composite material: Tranforming silicone resin coating into silica self-extinguishing layer," Journal of Hazardous Material, vol. 336, p. 10, 2017.

[11] A. Beaugendre, S. Degeutin, S. Bellayer, C. pieriot, S. Duguesne, M. Casetta, et al., "Self-stratifying epoxy/silicone coating," Progress in Organic Coating, vol. 103, p. 10, 2017.

[12] S. K. S. Hossain, L. Mathur, P. Singh, and M. R. Majhi, "Preparation of forsterite refractory using highly abundant amorphous rice husk silica for thermal insulation," Journal of Asian Ceramic Societies, vol. 5, pp. 82-87, 2018.

[13] Y.-Y. Hsieh, Y.-C. Tsai, J.-R. He, P.-F. Yang, H.-P. Lin, C.-H. Hsu, et al., "Rice husk agricultural waste-derived low ionic content carbon-silica nanocomposite for green reinforced epoxy resin electronic packaging material," Journal of The Taiwan Institute of Chemical Engineers, vol. 78, p. 7, 2017.

[14] V. B. Carmona, R. M. Oliveira, W. T. L. Silva, and L. H. C., "Nanosilica from rice husk: Extraction and Characterization," Industrial Crops and Products, vol. 43, p. 6, 2013.

View Full Article:

How to Cite

Wirawan, R., Hadi Sutrisno, H., Ambarwati, D., & Febriani, A. (2018). Characteristic of Silica Level (SiO3) Resulted from the Extraction of Rice Husk Ash with KOH Solvent towards the Amount of Heating Time. International Journal of Engineering & Technology, 7(3.36), 143–146.
Received 2019-05-01
Accepted 2019-05-01
Published 2018-05-06