Methylene
blue
Mesoporous
TiO
2 -SiO
2
Photodegradation 0.03 g of powder were added
to 300 mL of dye solution
(20 mg/L)
500 W mercury lamp
(max 365 nm)
99.2% of dye was degraded
after 60 min of irradiation.
The rate constant is 1.5 times
more performed that
Degussa P25
Yao et al.
(2013)
Methylene
blue
Mn-doped
TiO
2
nanoparticles
Photodegradation 100 mg of photocatalysts in
100 mL of solution (10 ppm)
Visible: Osram Dulux
lamp 11 W
In any case, 90% of decolorization can be observed
after 60 min of illumination
Binas et al.
(2012)
UV: Mercury lamp
(310–400 nm) of intensity 4.5 mW/cm
2
Methylene
blue
TiO
2 coating
on HDPE
Photodegradation TiO
2 /HDPE sample disk
(surface area : 4.5 cm
2
) was
placed in the bottom part of a
reactor with an aqueous
solution (1.10–5 M) of dye
High intensity UV lamp
(UVP Blak-Ray
B-100AP)
After 6 h of reaction, less
than 30% of dye was always
in the solution
Kasanen
et al.
(2011)
Methylene
blue
TiO
2
nanotubes
Photodegradation 0.2 g of titanate nanotubes
were dispersed in 100 mL of
aqueous solution of MB at
9 mg/L
A 6 W, 254 nm, UV
lamp
At equilibrium, 99% of MB
was degraded from the solution in 20 min
Lin et al.
(2011)
Methylene
blue
Au/TiO
2 /
SBA-15
Photodegradation 0.1 g of catalyst and 100 mL
of dye solution (20 mg/L)
were mixing
Visible light (>400 nm) After 150 min of reaction,
99.8% of dye was removed
Y. Chen
et al.
(2015)
Patent blue
Mesoporous
TiO
2 /apatite
Adsorption
Adsorption and
photodegradation: 200 mg of
adsorbents were added to
100 mL of a dye solution
(20 mg/L)
125 W UV A-B-C lamp
(200–600 nm)
In 1 h, adsorption equilibrium was achieved. In optimized conditions, 12 h was
used to remove 95% of dye
in solution
El Bekkali
et al.
(2016)
Photodegradation
(continued)