Journal of environmental chemical engineering,
Journal Year:
2024,
Volume and Issue:
12(2), P. 112152 - 112152
Published: Feb. 7, 2024
To
mitigate
the
problem
of
excessive
iron
sludge
production
inherent
in
homogeneous
Fenton
reactions,
heterogeneous
processes
have
been
developed,
replacing
dissolved
with
solid
catalysts
containing
iron.
The
advancement
Fe-based
catalysts,
which
synergize
oxide
porous
supports
(e.
g.
montmorillonite,
molecular
sieves,
ion
exchange
resins,
carbon
materials,
activated
alumina,
silica,
and
graphite
oxide)
has
garnered
significant
interest
scientific
community.
Among
these
supports,
montmorillonite
stands
out
as
a
naturally
occurring,
environment-friendly
material,
characterized
by
its
high
specific
surface
area
good
cation
capacity.
Iron-based
employing
support
demonstrated
notable
catalytic
activity
both
decomposing
hydrogen
peroxide
removing
organic
pollutants.
However,
there
is
few
comprehensive
reviews
systematically
reporting
synthesis,
characterization,
applications
Fe/montmorillonite-based
catalysts.
Therefore,
it
crucial
to
thoroughly
summarize
performances
various
systems
elucidate
activation
mechanisms
that
employ
for
different
oxidants.
On
basis,
this
article
research
status
Fe/montmorillonite,
Fe/Al/montmorillonite,
Fe/Cu/montmorillonite
are
focus
current
research.
Moreover,
paper
delves
into
recent
advancements
application
Fe/montmorillonite
within
photo-assisted
processes,
especially
degrading
pollutants
aqueous
solutions.
aim
review
offer
more
understanding
preparation
methods
underlying
pollutant
degradation
processes.
Furthermore,
analyzes
future
development
directions
