alexa <p>Preparation and Characterization of Nano Silica from Equisetum arvenses</p> | OMICS International | Abstract
ISSN: 2155-9821

Journal of Bioprocessing & Biotechniques
Open Access

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Research Article

Preparation and Characterization of Nano Silica from Equisetum arvenses

Mayara E Carneiro1, Washington LE Magalhães2, Graciela IB de Muñiz1, Silvana Nisgoski1 and Kestur Gundappa Satyanarayana2,3*
1Laboratory of Anatomy and Wood Quality - LANAQM, Department of Engineering and Technology Florestal- DETF, Center of Forest Sciences and Wood, Av Pref.. Lothario Meissner, 900 / Botanical Garden, CEP: 80210-170 / Federal University of Paraná (UFPR), Curitiba (PR-Brazil)
2EMBRAPA Forestry, College Road 111 km PO Box 319, ZIP Code: 83411-000, Brazil Colombo PR
3Honorary Professor, Poornaprajna Scientific Institute for Research (PPISR), Survey No. 167, Poornaprajnapura, Bidalur Post, Devanahalli, Bangalore-562110, India
Corresponding Author : Kestur Gundappa Satyanarayana
Honorary Professor
Poornaprajna Scientific Institute for Research (PPISR)
Survey No. 167, Poornaprajnapura, Bidalur Post
Devanahalli, Bangalore-562110, India
Tel: +91-80-276-072-42
Fax: +91-80-276-474-44
E-mail: [email protected]
Received November 29, 2014; Accepted January 26, 2015; Published January 29, 2015
Citation: Carneiro ME, Magalhães WLE, Muñiz GIB, Nisgoski S, Satyanarayana KG (2015) Preparation and Characterization of Nano Silica from Equisetum arvenses. J Bioprocess Biotech 5:205. doi: 10.4172/2155-9821.1000205
Copyright: © 2015 Carneiro ME, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

With the progress of nanotechnology and increase in demand, several silica processing industries have started producing silica nanoparticles. As a result, the search for new sources capable of producing this material has been attracting the interest of many researchers. With this background, a study was carried out to obtain silica nano particles from the Equisetum arvenses, a plant that possesses one of the highest amounts of silicon. This paper presents the preparation of nano silica particles with different combinations of acid washing and calcination at varying temperatures between 773 K and 873 K. The nanoparticles produced were characterized for nitrogen adsorption, morphology using transmission electron microscope and structural analysis by X-ray fluorescence and diffraction. It was found that nanoparticles produced by two cycles of acid washing and calcination at 773 K gave the best results, producing a material with white color, the highest specific surface area of about 330 m²/g with diameter of about 8 nm, and 93.5% of amorphous silica. The nanoparticles obtained can be potential industrial raw material for many applications.

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