Conversion of Bagasse Ash Waste to Nanosized SiC Powder

In this work, sugarcane bagasse ash (BA) was used as a low-cost starting material for synthesizing nanosized SiC powder as an alternative to existing techniques for utilizing ever increasing amounts of industrial BA wastes. Fine SiC powder was SHS-produced from BA–C–Mg mixtures and characterized by...

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Bibliographic Details
Published in:International journal of self-propagating high-temperature synthesis 2018-04, Vol.27 (2), p.98-102
Main Authors: Khangkhamano, M., Singsarothai, S., Kokoo, R., Niyomwas, S.
Format: Article
Language:English
Subjects:
Ashes
Bagasse
Chemistry and Materials Science
Magnesium oxide
Materials Science
Silicon carbide
Sugarcane
Waste disposal
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Summary:In this work, sugarcane bagasse ash (BA) was used as a low-cost starting material for synthesizing nanosized SiC powder as an alternative to existing techniques for utilizing ever increasing amounts of industrial BA wastes. Fine SiC powder was SHS-produced from BA–C–Mg mixtures and characterized by XRD and SEM. The product powder was found to contain SiC, MgO, and a minor amount of Mg 2 SiO 4 . Unwanted MgO and Mg 2 SiO 4 were leached out with acid solutions. The leached product represented the agglomerated powder of nanoparticles with a mean size of about 50 nm. Our approach can help not only to diminish harmful effects caused by ash disposal but also to suggest a cost-effective process for production of fine SiC powder.
ISSN:1061-3862
1934-788X
DOI:10.3103/S1061386218020103