ChemCatChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 28, 2024
Abstract
Photocatalysis
is
an
efficient
technology
for
the
degradation
of
pollutants.
However,
it
still
needs
to
be
improved.
In
this
study,
magnetic
Z‐scheme
FeP/CdS
composites
heterojunction
photocatalysts
were
prepared
by
a
facile
hydrothermal
method,
and
structure,
morphology,
optical,
photocatalytic
properties
investigated
in
detail.
The
efficiency
tetracycline
hydrochloride
(TCH)
removal
was
under
different
reaction
conditions
(including
FeP
CdS
ratios,
catalyst
dosage,
hydrogen
peroxide
consumption,
temperature,
initial
pH).
exhibited
better
catalytic
performance
compared
with
pure
components.
F
1
Cd
composite
(mass
ratio
1:1)
achieved
92.7%
TCH;
moreover,
exhibits
high
stability
after
five
consecutive
cycles.
capture
experiments
on
active
material
showed
that
TCH
mainly
dominated
•OH;
however,
•O
2
−
,
e
h
+
played
minor
role,
mechanism
revealed
combining
various
characterization
techniques.
introduction
cadmium
sulfide
formed
effective
photogenerated
carrier
transport
channel
at
interface
iron
phosphide
surface,
which
could
accelerate
transfer
separation
photo‐excited
/h
pairs,
thus
improving
TCH.
Small,
Journal Year:
2024,
Volume and Issue:
20(27)
Published: Jan. 26, 2024
Abstract
The
Z‐scheme
MIL‐88B/BiOBr
(referred
to
as
M
x
B
y
,
whereas
and
are
the
mass
of
MIL‐88B(Fe)
BiOBr)
heterojunction
photocatalysts
successfully
prepared
by
a
facile
ball
milling
method.
By
adding
low
concentration
H
2
O
under
visible
light
irradiation,
photocatalytic‐Fenton‐like
reaction
synergistically
enhance
degradation
mineralization
ciprofloxacin
(CIP).
Among
them,
M50B150
showed
efficient
photodegradation
efficiency
excellent
cycling
stability,
with
94.6%
removal
CIP
(10
mg
L
−1
)
(0.2
g
90
min
light.
In
heterojunctions,
rapid
transfer
photo‐generated
electrons
not
only
directly
decomposed
generate
·
OH,
but
also
improved
cycle
Fe
3+
/Fe
2+
pairs,
which
facilitated
OH
−
radicals.
addition,
effects
photocatalyst
dosages,
pH
solution,
coexisting
substances
on
systematically
investigated.
It
is
found
that
photocatalytic‐
Fenton‐like
can
be
carried
out
at
close
neutral
conditions.
Finally,
charge
mechanism
verified
electron
spin
resonance
(ESR)
signals.
ecotoxicity
products
estimated
T.E.S.T
tool,
indicating
constructed
photocatalysis‐Fenton‐like
system
green
wastewater
treatment
technology.
The Journal of Physical Chemistry C,
Journal Year:
2024,
Volume and Issue:
128(8), P. 3295 - 3306
Published: Feb. 16, 2024
FeOCl
has
attracted
much
attention
for
its
good
photo-Fenton
properties.
However,
there
are
still
some
limitations
to
the
removal
efficiency
of
organic
pollutants.
Visible-light-responsive
FeOCl/CdS
quantum
dot
composites
were
prepared
by
calcination
overcome
their
flaws,
and
catalytic
activity
was
explored
degradation
acid
orange
II
(AO-II).
The
experimental
results
showed
that
exhibited
better
performance
than
pure
components.
F1Cd0.5
composite
(mass
ratio
CdS
is
1:0.5)
achieved
98.5%
AO-II,
which
14.8
times
higher
FeOCl+CdS
under
similar
conditions;
moreover,
exhibits
a
high
stability
after
five
cycles.
According
characterization
with
density
functional
theory
calculations
together,
it
proposed
type
carrier
transfer-separation
mechanism
plays
leading
role
in
enhancing
photodegradation
catalysts.
This
study
provides
new
idea
further
improve
technology
pollutant
degradation.
Arabian Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
16(11), P. 105251 - 105251
Published: Sept. 9, 2023
In
this
work,
the
synthesis
of
Iron
(Fe)
and
Copper
(Cu)
co-doped
g-C3N4
was
performed
using
thermal
decomposition
urea
while
iron
nitrate
copper
were
used
as
dopant
precursors.
The
fabricated
catalyst
(Fe-Cu@g-C3N4)
coupled
with
visible
light
for
acetaminophen
(APAP)
degradation.
synthesized
characterized
via
several
techniques
including
XRD,
BET,
BJH,
SEM,
TEM,
EDX,
EDS
Dot
mapping,
DLS,
UV-Vis
deflective
reflectance
spectroscopy.
characterization
tests
confirmed
successful
Fe-Cu
high
purity,
nano-sheet
structure
porosity
(79.93
m2/g).
complete
APAP
efficiency
achieved
under
optimal
experimental
conditions
pH
11,
dosage
10
mg/L,
PS
1
mM,
concentration
4
mg/L.
scavenging
major
contribution
sulfate
radicals
consequently,
hydroxyl
removal.
addition,
kinetics
degradation
studied
it
revealed
pseudo
first–order
0.0698
min–1
rate
constant.
Finally,
a
plausible
tentative
pathway
proposed
results
study
that
LED/catalyst
(Cu,
Fe@g-C3N4)/PS
process
could
be
an
efficient
robust
antibiotic-containing
wastewater
hospital
wastewater.
Separations,
Journal Year:
2025,
Volume and Issue:
12(4), P. 101 - 101
Published: April 21, 2025
In
recent
years,
the
rapid
development
of
industry
has
led
to
discharge
large
quantities
pollutants,
including
harmful
dyes,
into
water
sources,
thereby
posing
potential
threats
human
health
and
environment.
FeOCl
biochar
have
their
own
shortcomings
as
a
mediator
in
heterogeneous
Fenton
process.
To
make
both
materials
useful,
supported
on
bamboo
(FeOCl/BC)
was
prepared
by
calcination
using
FeCl3·6H2O
powder
raw
materials,
composite’s
catalytic
activities
were
explored
with
acid
orange
II
(AO-II)
target
pollutant.
The
degradation
efficiency
FeOCl/BC
composites
AO-II
determined
testing
mass
ratio
BC,
initial
pH,
temperature,
H2O2
concentration,
catalyst
addition,
addition
coexisting
inorganic
anions,
natural
organic
matter.
increased
activation
generate
•OH
for
removal
accelerated
cycle
Fe3+/Fe2+.
rate
Fe1C0.2
composite
97.1%
when
BC
1:0.2
(Fe1C0.2),
which
higher
than
that
pure
components
(FeOCl
or
BC)
at
pH
=
6.1.
Moreover,
after
five
reuses,
still
showed
high
activity
AO-II,
83.3%
low
loss.
capture
experiments
active
material
mainly
dominated
•OH;
however,
•O2−
h+
played
minor
roles.
synthesized
could
be
applied
contaminants
such
efficiency.
