Preparation and Characterization of Silica Gel from Bagasse Ash

Chanchira Channoy; Somchai Maneewan; Chantana Punlek; Surapong Chirarattananon

doi:10.4028/www.scientific.net/AMR.1145.44

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1145Preparation and Characterization of Silica Gel...

Preparation and Characterization of Silica Gel from Bagasse Ash

Abstract:

Sugarcane bagasse is an agricultural waste that is potentially used as natural silica resources. Natural silica claimed to be safe in handing, cheap and can be generate from cheap resource. In the objectives of this study were to prepared silica from Sugarcane bagasse. The preparation of Sugarcane bagasse ash by burning at 700 °C for 4 and 6 h, respectively in atmosphere. The result of X-ray florescent: XRF, silica content which was obtained after heat treatment at 700 °C for 6 h was 80.814 wt%. Bagasse ash was purified by alkaline extraction method with 1.5, 2 and 2.5 N sodium hydroxide (NaOH), respectively. And refluxed by using concentrated 2 N sulfuric acid. From X-ray diffraction pattern showed that the obtained products were amorphous silica, 2.5 N sodium hydroxide. The morphology was observed by SEM, sphere and average particles dimension of synthesis silica with 1.5, 2 and 2.5 N NaOH are 120, 100 and 80 nm respectively. The SEM micrographs showed that the Concentration of NaOH was increased, the particles dimension decreased

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Advanced Materials Research (Volume 1145)

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44-48

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https://doi.org/10.4028/www.scientific.net/AMR.1145.44

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Online since:

March 2018

Authors:

Chanchira Channoy, Somchai Maneewan*, Chantana Punlek, Surapong Chirarattananon

Keywords:

Bagasse Ash, Extraction, Silica

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