Preparation and characterization of activated carbon & amorphous silica from rice husk

Authors

  • MT Rhaman Organic Research Laboratory, Department of Chemistry, Jagannath University, Dhaka
  • MA Haque Organic Research Laboratory, Department of Chemistry, Jagannath University, Dhaka
  • MA Rouf Institue of Fuel Research & Development, Bangladesh Council of Scientific & Industrial Research, Dr. Kudrat-e-Khuda Road, Dhanmondi, Dhaka-1205
  • MAB Siddique Institue of Fuel Research & Development, Bangladesh Council of Scientific & Industrial Research, Dr. Kudrat-e-Khuda Road, Dhanmondi, Dhaka-1205
  • MS Islam Institue of Fuel Research & Development, Bangladesh Council of Scientific & Industrial Research, Dr. Kudrat-e-Khuda Road, Dhanmondi, Dhaka-1205

DOI:

https://doi.org/10.3329/bjsir.v50i4.25835

Keywords:

Activated carbon, KOH activation, Carbonization, Amorphous silica, Alkali extraction

Abstract

Activated carbon (AC) was prepared by the conventional carbonization and KOH activation and amorphous silica was extracted by alkali extraction followed by acid precipitation from rice husk on a laboratory scale. The performance of the produced activated carbon and amorphous silica were examined using I2 value measurement, methylene blue (MB) adsorption test, pH measurement, FTIR and SEM-EDX analysis. The optimum temperature for production of AC was obtained at 700 0C. The AC by alkali extraction method was show higher activity than KOH activation. The maximum I2 value, MB adsorption value & pH value shows at 700 0C followed by alkali extraction with 15% NaOH, which were 510.82 mg/g, 61.1 mg/g and 7.32 respectively. The FTIR analysis shows presence of Si-O-Si bond with a strong peak at 1078.28 cm-1. The SEM image of silica sample shows that the most of organic component is burnt out during combustion.

Bangladesh J. Sci. Ind. Res. 50(4), 263-270, 2015

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Author Biography

MT Rhaman, Organic Research Laboratory, Department of Chemistry, Jagannath University, Dhaka



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Published

2015-12-11

How to Cite

Rhaman, M., Haque, M., Rouf, M., Siddique, M., & Islam, M. (2015). Preparation and characterization of activated carbon & amorphous silica from rice husk. Bangladesh Journal of Scientific and Industrial Research, 50(4), 263–270. https://doi.org/10.3329/bjsir.v50i4.25835

Issue

Vol. 50 No. 4 (2015)

Section

Articles

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