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2018•Unpublished venueRequires access

A Review on Recent Studies on Development of Rice Husk Silica and Its Application in Thin Film Growth

Enoch Debayo Ogunmola, Akintunde Ayodeji Ajayi, Adewale Adedayo Oyedele

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Abstract

Rice husk based SiO2 is considered as a non-toxic, environmental-friendly, sustainable, also suitable for large scale production and cost-effective material with a wide range of applications. Burning the fuel, rice husk to generate energy results in the waste product called rice husk ash (RHA). RHA is an abundant agricultural by-product. It is rich in silica (over 65%) and can be made into economically viable raw material which can be used for production of silica gels and powders. Recently its application in an adsorbent, catalyst support and thin film semiconductor material is being considered. This paper reviews the production of silica particles from rice husk ash and development of silica thin films using the spray pyrolysis technique.

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What this paper is about

Rice husk based SiO2 is considered as a non-toxic, environmental-friendly, sustainable, also suitable for large scale production and cost-effective material with a wide range of applications. Burning the fuel, rice husk to generate energy results in the waste product called rice husk ash (RHA). RHA is an abundant agricultural by-product. It is rich in silica (over 65%) and can be made into economically viable raw material which can be used for production of silica gels and powders. Recently its application in an adsorbent, catalyst support and thin film semiconductor material is being considered. This paper reviews the production of silica particles from rice husk ash and development of silica thin films using the spray pyrolysis technique.

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Available abstract

Rice husk based SiO2 is considered as a non-toxic, environmental-friendly, sustainable, also suitable for large scale production and cost-effective material with a wide range of applications. Burning the fuel, rice husk to generate energy results in the waste product called rice husk ash (RHA). RHA is an abundant agricultural by-product. It is rich in silica (over 65%) and can be made into economically viable raw material which can be used for production of silica gels and powders. Recently its application in an adsorbent, catalyst support and thin film semiconductor material is being considered. This paper reviews the production of silica particles from rice husk ash and development of silica thin films using the spray pyrolysis technique.

Key concepts: Husk, Raw material, Pyrolysis, Waste management, Materials science, Pulp and paper industry, Agricultural waste, Chemistry

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