Catalysts,
Год журнала:
2022,
Номер
12(9), С. 1036 - 1036
Опубликована: Сен. 12, 2022
Nowadays,
the
sulfur-containing
compounds
are
removed
from
motor
fuels
through
traditional
hydrodesulfurization
technology,
which
takes
place
under
harsh
reaction
conditions
(temperature
of
350–450
°C
and
pressure
30–60
atm)
in
presence
catalysts
based
on
alumina
with
impregnated
cobalt
molybdenum.
According
to
principles
green
chemistry,
energy
requirements
should
be
recognized
for
their
environmental
economic
impacts
minimized,
i.e.,
chemical
processes
carried
out
at
ambient
temperature
atmospheric
pressure.
This
approach
could
implemented
using
photocatalysts
that
sensitive
visible
light.
The
creation
highly
active
photocatalytic
systems
deep
purification
sulfur
becomes
an
important
task
modern
catalysis
science.
present
critical
review
reports
recent
progress
over
last
5
years
heterogeneous
desulfurization
light
irradiation.
Specific
attention
is
paid
methods
boosting
activity
materials,
a
focus
heterojunctions
as
most
promising
approach.
also
discusses
influence
operating
parameters
(nature
oxidant,
molar
ratio
oxidant/sulfur-containing
compounds,
photocatalyst
loading,
etc.)
efficiency.
Some
perspectives
future
research
directions
provided.
Environmental Chemistry Letters,
Год журнала:
2024,
Номер
22(5), С. 2405 - 2424
Опубликована: Июнь 11, 2024
Abstract
Pollution
and
the
rising
energy
demand
are
two
major
society
issues,
requiring
urgent
solutions.
Here,
we
review
simultaneous
production
of
hydrogen
removal
pollutants,
with
a
focus
on
mechanisms,
synthesis
photocatalysts,
applications.
Remarkably,
this
method
utilizes
organic
pollutants
as
sacrificial
agents
for
photocatalytic
production,
thus
both
reducing
pollution
producing
energy.
Metal-doped,
cocatalyst-loaded,
inorganic
composite,
heterostructure
heterojunction
photocatalysts
described.
We
present
applications
to
antibiotics
dyes.
Pollutant
degradation
rates
range
from
5.3
100%,
evolution
13.7–2724.89
μmol·g
–1
h
.
Catalysis Communications,
Год журнала:
2023,
Номер
180, С. 106705 - 106705
Опубликована: Май 30, 2023
In
this
work,
Bi2WxMo1–xO6
solid
solutions
and
Bi2WO6/g-C3N4
composites
were
synthesized
by
a
simple
hydrothermal
method,
characterized
complex
of
physicochemical
methods
used
in
the
decomposition
organic
pollutants
under
visible
light
to
comprehensively
compare
different
modulating
techniques.
The
highest
efficiency
was
detected
for
Bi2W0.5Mo0.5O6
degradation
methylene
blue
(conversion
52.9%,
TON
=
0.022),
indicating
attractiveness
doping
strategy.
Excellent
results
achieved
with
small
amounts
H2O2
photodegradation
97.9%,
0.040)
phenol
81.2%,
0.056).
Nanoscale Advances,
Год журнала:
2022,
Номер
4(17), С. 3600 - 3608
Опубликована: Янв. 1, 2022
Semiconductor-containing
porous
materials
with
a
well-defined
structure
could
be
unique
scaffolds
for
carrying
out
selective
organic
transformations
driven
by
visible
light.
We
herein
introduce
the
first
time
heterostructure
of
silver
indium
sulfide
(AgInS2)
ternary
chalcogenide
and
highly
MIL-101(Cr)
metal-organic
framework
(MOF)
synthesised
from
polyethylene
terephthalate
plastic
waste.
Our
results
demonstrate
that
AgInS2
nanoparticles
were
uniformly
attached
to
each
lattice
plane
octahedral
structure,
resulting
in
nanocomposite
high
distribution
semiconductors
media.
also
up
40%
doping
exhibited
excellent
catalytic
activity
tetracycline
degradation
under
light
irradiation
(∼99%
degraded
after
4
h)
predominantly
maintained
its
performance
five
cycles.
These
promote
new
material
circularity
pathway
develop
can
used
protect
water
further
pollution.
Catalysts,
Год журнала:
2022,
Номер
12(11), С. 1427 - 1427
Опубликована: Ноя. 13, 2022
In
the
present
work,
we
assessed
photocatalytic
performance
of
new
3-D/3-D
Z-scheme
heterojunction
composite
for
degradation
dimethyl
phthalate
(DMP).
The
was
composed
by
marimo-like
Bi2WO6
and
mammillaria-like
ZnO
which
named
BWZ.
successfully
fabricated
using
a
hydrothermal-precipitation
method
analyzed
via
different
characterization
techniques.
Under
natural
sunlight
irradiation,
optimal
with
20
wt%
Bi2WO6/ZnO
(20-BWZ)
exhibited
photodegradation
rate
constant
0.0259
min−1,
reached
2.3
5.9-folds
greater
than
those
pure
(0.0112
min−1)
(0.0044
min−1),
respectively.
That
predominantly
attributed
to
formation
system
in
as-synthesized
reduced
charge
carrier
recombination
accelerated
photoactivity.
Transient
photocurrent
response
electrochemical
impedance
spectroscopy
analyses
were
performed
confirm
this
conclusion.
reusability
test
indicated
that
20-BWZ
had
no
significant
deactivation
after
four
runs,
inferred
good
stability
as-prepared
composite.
Furthermore,
quenching
demonstrated
photogenerated
hole,
superoxide
anion
radical
hydroxyl
all
involved
DMP,
among
•OH
principal
reactive
species.
This
work
revealed
BWZ
composites
have
great
potential
applications
refractory
pollutants
environmental
remediation
field.
