The photocatalytic process using TiO2 materials under UV light illumination has shown great advantages in wastewater treatment. However, it is necessary to recover the catalyst from the suspension, and the...
A hard template method was developed to prepare a porous HA monolith with a hierarchical pore structure and the HA monolith was explored to study the adsorption and release properties of bovine serum albumin (BSA).
Inorganic oxides
with unique physical and chemical properties have
attracted much attention because they can be applied in a wide range
of fields. Herein, recycled cigarette filters are deacetylated to
cellulose filters (CFs), which are then applied as templates to prepare
fiber-like inorganic oxides (titanium dioxide, TiO
2
, and
silicon dioxide, SiO
2
). Inorganic oxides are prepared using
CF as a template by a typical sol–gel reaction of metal alkoxides.
Owing to the fibrous structure of the CF template, the prepared inorganic
oxides (TiO
2
and SiO
2
) show similar fibrous
structures, which was confirmed by scanning electron microscopy and
nitrogen adsorption–desorption analysis. Moreover, the prepared
inorganic oxides (TiO
2
and SiO
2
) show high surface
areas and pore volumes. Furthermore, the TiO
2
fiber-like
materials are evaluated for their photocatalytic properties by analyzing
the methylene blue (MB) and methyl orange (MO) degradation. In this
study, we provide a clean method, which can convert cellulose acetate-based
waste into useful templates to prepare inorganic oxides with relatively
simple steps, and the prepared inorganic oxides can be applied in
water treatment.
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