Orbital - Vol. 15 No. 3 - July-September 2023
FULL PAPERS

Extraction of Silica from Bamboo Leaves Ash (Bambusoideae) Using Hydrochloric Acid and Nitric Acid

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  • Siti Nurul Huda Binti Azman,
  • Nadiah Bte Ameram,
  • Hidayani Binti Jaafar,
  • Mohd Hazim Mohamad Amini,
  • Arlina Ali
Siti Nurul Huda Binti Azman
Faculty of Bioengineering and Technology, Universiti Malaysia Kelantan Jeli Campus
Nadiah Bte Ameram
Faculty of Bioengineering and Technology, Universiti Malaysia Kelantan Jeli Campus
Hidayani Binti Jaafar
Faculty of Bioengineering and Technology, Universiti Malaysia Kelantan Jeli Campus
Mohd Hazim Mohamad Amini
Faculty of Bioengineering and Technology, Universiti Malaysia Kelantan Jeli Campus
Arlina Ali
Faculty of Bioengineering and Technology, Universiti Malaysia Kelantan Jeli Campus
DOI: https://doi.org/10.17807/orbital.v15i3.17915
Published October 11, 2023
Keywords
  • Extraction,
  • Silica,
  • Rice husk
How to Cite
(1)
Azman, S. N. H. B.; Ameram, N. B.; Jaafar, H. B.; Amini, M. H. M.; Ali, A. Extraction of Silica from Bamboo Leaves Ash (Bambusoideae) Using Hydrochloric Acid and Nitric Acid . Orbital: Electron. J. Chem. 2023, 15, 142-147.

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Abstract

Bamboo leaves, a readily available agricultural waste globally, serve as a valuable source of organic silica, often referred to as biosilica. Despite containing a substantial silicon dioxide (SiO2) content, bamboo leaves are frequently discarded by communities. Remarkably, the silica content in bamboo leaves exceeds 70%. Acid leaching is employed to extract the silica, with various factors and types of acids being compared in the process. The resulting silica is highly porous and firmly bonded. The extracted silica's purity, amorphous nature, and the presence of functional groups have been verified through XRD and FTIR studies. Additionally, TGA is utilized to monitor the material's weight changes with increasing temperature.

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