Synthesis and surface characteristics of nanosilica produced from alkali-extracted rice husk ash

TH Liou, CC Yang - Materials science and engineering: B, 2011 - Elsevier
Rice husk is a form of agricultural biomass that provides an abundant silicon source. This
study used rice husk as a raw material to prepare nanosilica without adding an extra …

Nanosilica extraction from processed agricultural residue using green technology

S Mor, CK Manchanda, SK Kansal… - Journal of Cleaner …, 2017 - Elsevier
Abstract Rice Husk Ash is a major voluminous and bulky by-product of rice-milling industries
and its disposal is a major environmental concern. Considering this, a green technology was …

[PDF][PDF] Preparation and characterization of silica material from rice husk ash-An economically viable method

A Ananthi, D Geetha, PS Ramesh - Chem. Mater. Res, 2016 - core.ac.uk
Rice husk is a form of agricultural biomass that provides an abundant silicon source. Rice
husks are widely burnt in agricultural fields in India because it is difficult to find other uses for …

Synthesis of silica nanoparticles from Vietnamese rice husk by sol–gel method

VH Le, CNH Thuc, HH Thuc - Nanoscale research letters, 2013 - Springer
Silica powder at nanoscale was obtained by heat treatment of Vietnamese rice husk
following the sol–gel method. The rice husk ash (RHA) is synthesized using rice husk which …

[PDF][PDF] Preparation of nanosilica powder from rice husk ash by precipitation method

N Thuadaij, A Nuntiya - Chiang Mai Journal of Science, 2008 - thaiscience.info
This work presented a laboratory studies on the preparation of rice husk ash by burning at
700 oC for 3 and 6 h, respectively. Consequently, silica content obtained after heat treatment …

Synthesis of SiO2-Nanoparticles from Rice Husk Ash and its Comparison with Commercial Amorphous Silica through Material Characterization

PP Nayak, AK Datta - Silicon, 2021 - Springer
Silica is a major inorganic component of rice husk and present in the form of nanoparticle in
it. Therefore, it is possible to extract high purity amorphous silica nanoparticles by simple …

Optimization of synthesis and characterization of nanosilica produced from rice husk (a common waste material)

E Rafiee, S Shahebrahimi, M Feyzi… - International nano …, 2012 - Springer
Rice husk (RH), an inexpensive waste material, was used to produce nanosilica. Acid
treatment of RH followed by thermal combustion under controlled conditions gave 22.50 …

High-purity nano silica powder from rice husk using a simple chemical method

R Yuvakkumar, V Elango, V Rajendran… - Journal of experimental …, 2014 - Taylor & Francis
A highly pure, small particle-sized and high surface area nano silica powder was prepared
from rice husk using alkali extraction, followed by an acid precipitation method. The …

Nano-structured silica from rice husk

R Conradt, P Pimkhaokham, U Leela-Adisorn - Journal of non-crystalline …, 1992 - Elsevier
The potential and limits of rice husk to become a competitive source of nano-structured silica
were investigated. Husk samples were submitted to a chemical pre-treatment using …

Synthesis and characterization of high surface area nanosilica from rice husk ash by surfactant-free sol–gel method

AF Hassan, AM Abdelghny, H Elhadidy… - Journal of sol-gel science …, 2014 - Springer
A nanosilica powder was obtained by thermal treatment of rice husk ash using the sol–gel
method without adding any extra surfactant, and was characterized by several techniques …