The Effect of Burning Temperature and Solution Concentration on the Characteristic of Silica Gel Extracted from Rice Husk Ash

Chiew, Chee Seng (2016) The Effect of Burning Temperature and Solution Concentration on the Characteristic of Silica Gel Extracted from Rice Husk Ash. [Final Year Project] (Submitted)

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Abstract

Combustion of rice husk to generate energy results in the waste product called rice
husk ash (RHA). RHA is potential bio-fertilizer for plant as it contain over 90% of
silica and silica is proved that it can provide substantial benefits to many crops. Silica
are being extracted from RHA in the form of silica gel by leaching process. The
extraction of silica gel is more effective after reheating RHA by thermal treatment
with temperatures ranging from 500-1400ºC. This work focused on interrelationship
of the burning temperature of RHA for 6 hours and concentration of sodium
hydroxide which will affect the silica content of the silica gel extraction. It is done by
investigate the effect of burning temperature and concentration of basic solution on
extraction of silica gel from rice husk ash and the optimum condition for silica gel
extraction from RHA as bio-fertilizer for plants.

Item Type: Final Year Project
Subjects: T Technology > TP Chemical technology
Departments / MOR / COE: Engineering > Chemical
Depositing User: Mr Ahmad Suhairi Mohamed Lazim
Date Deposited: 02 Mar 2022 15:30
Last Modified: 02 Mar 2022 15:30
URI: http://utpedia.utp.edu.my/id/eprint/22872

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