A Low Cost ZSM-5 Zeolite Obtained from Rice Hull Ash

A.A. Fernandes; E.U.C. Frajndlich; Humberto Gracher Riella

doi:10.4028/www.scientific.net/MSF.498-499.676

Paper Titles

Obtaining of the Ceramics Pigments (Fe, Zn)Cr₂O₄ Using Waste of Electroplating as Raw Material
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Aluminas by Thermal Activation of Fibrillar Pseudoboehmite Powders
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Combustion Synthesis of Cu_1-xNi_xCr₂O₄ Spinel for Catalytic Applications
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Physical Characterization of K-Doped 0.9PMN-0.1PT Synthesized by an Association of the Columbite Route and the Polymeric Precursor Method
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A Low Cost ZSM-5 Zeolite Obtained from Rice Hull Ash
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Red Ceramic Materials Durability Evaluation
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Synthesis and Characterization of Modified Clays as Sorbents of Toluene and Xylene
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Hazardous Wastes Disposal: Stabilization/Solidification of Tannery Residue in the Presence of Chromium
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Influence of Tin Oxide Addition in the Morphologic Characteristics of Zinc Oxide Powders Synthesized by Pechini's Method
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HomeMaterials Science ForumMaterials Science Forum Vols. 498-499A Low Cost ZSM-5 Zeolite Obtained from Rice Hull...

A Low Cost ZSM-5 Zeolite Obtained from Rice Hull Ash

Abstract:

The high pure synthetic zeolite have a large application in industry and agriculture, being nowadays in majority imported in Brazil. The biomass like rice hull ash (RHA), a rice industry waste, can be real advantageous in manufacture of different materials, since that is produced in large scale in the country. The silica extraction from RHA by alkaline leaching is a low energetic coast process and high efficiency, obtaining high pure silica with high reactive amorphous structure, very interesting for zeolite production. In this work was developed a economically feasible route for the production of high purity and crystallinity ZSM-5 zeolite, free of expensive template, starting from a low value intake, a industrial waste, producing a high value materials. The extracted silica from RHA in sodium silicate form is precipitated in the proper zeolite formation reactional mixture. The ZSM-5 have a lot of industrial applications due your high selectivity in catalytic reactions and high thermal and acid stability.