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Improvement in the Extraction of Silica from Rice Husk through Controlling Drying Temperature and Leaching Process

Journal: International Journal of Science and Research (IJSR) (Vol.7, No. 9)

Publication Date:

Authors : ; ;

Page : 31-33

Keywords : husk; silica extraction; leaching process; drying;

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Particular procedure has been adopted in this work using acidic treatment of rice husk and rice husk ash to reduce the impure elements ratio from the final silica product. Hydrochloric acid as a leaching acid was employed before and after combustion of rice husk. Via controlling the drying temperature and the drying sequence, the silica contain percentage, , in the final product, was improved from 91.12 % to 98.8 %, this results was monitored through the change of the ash color from approximately black to obviously white.

Last modified: 2021-06-28 19:56:54