Nanoparticles have immense industrial, biotechnological, and biomedical/pharmaceutical
applications due to their pliability in structure, size, biocompatibility, high surface area, and …

Following the discovery of Stöber silica, the realm of morphology-controlled mesoporous
silica nanomaterials like MCM-41, SBA-15, and KCC-1 has been expanded. Due to their …

Amorphous silica (SiO 2) was extracted from the rice husk ashes (RHAs) of the agulhinha
and cateto varieties. Optimized time, temperature, extractor concentration, and reaction time …

Biomass pyrolysis is considered one of the most promising technologies for production of
sustainable fuels. Rice husk ash (RHA) contains over 60% silica, 10–40% carbon and minor …

There are several contaminants in wastewater, with organic pollutants playing the major
role. Many kinds of organic compounds, such as PCBs, pesticides, herbicides, phenols …

Characterized by a regular porosity in terms of pore size and pore network arrangement,
ordered mesoporous solids have attracted increasing interest in the last two decades. These …

In this review article, we report the recent development and utilization of silica from rice husk
(RH) for the immobilization of transition metals and organic moieties. Silicon precursor was …

Sedge (Carex riparia) is a weed which produces large quantities of agricultural waste. The
objective of the present study was to develop a procedure for obtaining and characterization …

The synthesis of nano-architectured mesoporous materials is of great importance for the
sciences of multifunctional materials, since the textural and structural features of …

Rice husk silica (RHS) in amorphous phase with 98% purity was prepared from a waste rice
husk from rice milling by leaching with hydrochloric acid and calcination. The RHS was used …