Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hamdan Halimaton0
Date of Patent
March 1, 2011
0Patent Application Number
105787740
Date Filed
November 1, 2004
0Patent Primary Examiner
Patent abstract
This invention relates to silica aerogels and to a method for their preparation from rice husk. Rice husk is very rich in silica, and its ash can contain up to 92-97% of amorphous silica. The rice husk ash is prepared by burning the rice husk on a heating plate with excess air until the white ash is obtained. Silica from rice ash husk is in a very active form and has been found to be a very potential starting material for silica aerogels.
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