EXTRACTION OF SILICA FROM BURNT RICE HUSK

EXTRACTION OF SILICA FROM BURNT RICE HUSK
Author(s):
Aishwarya Naik, Raj Katrapwar, Shabaz Khan, Gajanan Kumbhar
Keywords:
Extraction, Silica, Rice husk, Filter press.
Abstract
On Burning the fuel, rice husk to get energy, leads to the stuff called rice husk ash (RHA ) . RHA is an abundant agricultural by product. It's highly rich in silica and may be made into economically viable material which might be used for wide production of silica gels and powders. The current work deals with the assembly of silica. Acid washing before extraction resulted in silica with a lower concentration of minerals. Synthesis was done by precipitation using different acids namely, hydroxide which yielded nanosilica . The effect of various acids on different size and degree of agglomeration of the silica particles were studied, and therefore the formed silica is then sorted out for various uses. This process is kind of inexpensive, sustainable, environment friendly and also suitable for giant scale production.
Article Details
Unique Paper ID: 154737 Publication Volume & Issue: Volume 8, Issue 12 Page(s): 257 - 261
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