Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Oct. 14, 2024
In
this
study,
improvement
of
the
electro-Fenton
process
using
Fe-MIL-88B
along
with
innovation
in
reactor
simultaneous
rotation
cathodes
and
anodes
was
carried
out
to
remove
Acid
Blue
25.
For
purpose,
nanocatalyst
synthesised
by
thermal
solvent
method
characterised
FT-IR,
EDAX,
XRD,
FESEM.
experiments,
an
electrochemical
cell
a
useful
volume
1
L
rotating
were
used
nanoparticles
added
system
as
slurry.
To
determine
appropriate
values
effective
parameters,
OFAT
used.
According
results,
0.3
g/L
Fe-MIL-88B,
pH
equal
3,
dye
concentration
75
mg/L,
current
intensity
0.228
A,
velocity
100
rpm
chosen
suitable
for
process.
optimal
conditions,
removal
efficiency
reached
92.3%
after
90
min,
which
resulted
14.5%
compared
conventional
under
same
conditions.
Also,
efficiencies
77.08
63.63%
obtained
COD
TOC,
respectively.
The
results
indicated
acceptable
decomposition
effluent
into
less
hazardous
compounds.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(43)
Published: Sept. 5, 2023
Singlet
oxygen
(1
O2
)
is
an
excellent
reactive
species
(ROSs)
for
the
selective
conversion
of
organic
matter,
especially
in
advanced
oxidation
processes
(AOPs).
However,
due
to
huge
dilemma
synthesizing
single-site
type
catalysts,
control
and
regulation
1
generation
AOPs
still
challenging
underlying
mechanism
remains
largely
obscure.
Here,
taking
advantage
well-defined
flexibly
tunable
sites
covalent
frameworks
(COFs),
we
report
first
achievement
precisely
regulating
ROSs
peroxymonosulfate
(PMS)-based
by
site
engineering
COFs.
Remarkably,
COFs
with
bipyridine
units
(BPY-COFs)
facilitate
PMS
activation
via
a
nonradical
pathway
100
%
,
whereas
biphenyl-based
(BPD-COFs)
almost
identical
structures
activate
produce
radicals
(⋅OH
SO4.-
).
The
BPY-COFs/PMS
system
delivers
boosted
performance
degradation
target
pollutants
from
water,
which
ca.
9.4
times
that
its
BPD-COFs
counterpart,
surpassing
most
reported
PMS-based
systems.
Mechanism
analysis
indicated
highly
electronegative
pyridine-N
atoms
on
BPY-COFs
provide
extra
adsorb
terminal
H
PMS,
resulting
simultaneous
adsorption
O
one
pyridine
ring,
facilitates
cleavage
S-O
bond
generate
.
Deleted Journal,
Journal Year:
2023,
Volume and Issue:
5(1)
Published: Dec. 1, 2023
Abstract
Metal
organic
frameworks
(MOFs)
with
their
large
surface
area
and
numerous
active
sites
have
attracted
significant
research
attention.
Recently,
the
application
of
MOFs
for
catalytic
degradation
pollutants
has
provided
effective
solutions
to
address
diverse
environmental
problems.
In
this
review,
latest
progress
in
MOF-based
removal
is
summarized
according
different
roles
reaction
systems,
such
as
physical
adsorbents,
enzyme-immobilization
carriers,
nanozymes,
catalysts
photocatalysis,
photo-Fenton
sulfate
radical
based
advanced
oxidation
processes
(SR-AOPs).
Finally,
opportunities
challenges
developing
are
discussed
anticipated.
Graphical
Angewandte Chemie,
Journal Year:
2023,
Volume and Issue:
135(43)
Published: Sept. 5, 2023
Abstract
Singlet
oxygen
(
1
O
2
)
is
an
excellent
reactive
species
(ROSs)
for
the
selective
conversion
of
organic
matter,
especially
in
advanced
oxidation
processes
(AOPs).
However,
due
to
huge
dilemma
synthesizing
single‐site
type
catalysts,
control
and
regulation
generation
AOPs
still
challenging
underlying
mechanism
remains
largely
obscure.
Here,
taking
advantage
well‐defined
flexibly
tunable
sites
covalent
frameworks
(COFs),
we
report
first
achievement
precisely
regulating
ROSs
peroxymonosulfate
(PMS)‐based
by
site
engineering
COFs.
Remarkably,
COFs
with
bipyridine
units
(BPY‐COFs)
facilitate
PMS
activation
via
a
nonradical
pathway
100
%
,
whereas
biphenyl‐based
(BPD‐COFs)
almost
identical
structures
activate
produce
radicals
(⋅OH
SO
4
⋅
−
).
The
BPY‐COFs/PMS
system
delivers
boosted
performance
degradation
target
pollutants
from
water,
which
ca.
9.4
times
that
its
BPD‐COFs
counterpart,
surpassing
most
reported
PMS‐based
systems.
Mechanism
analysis
indicated
highly
electronegative
pyridine‐N
atoms
on
BPY‐COFs
provide
extra
adsorb
terminal
H
PMS,
resulting
simultaneous
adsorption
one
pyridine
ring,
facilitates
cleavage
S−O
bond
generate
.
Environmental Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
22(6), P. 3171 - 3194
Published: July 5, 2024
Abstract
The
contamination
of
ecosystems
by
pharmaceuticals
and
personal
care
products
represents
a
significant
threat
to
public
health,
necessitating
innovative
approaches
clean
wastewater
before
release
into
aquatic
environments.
Here,
we
review
the
emerging
strategies
methods
for
remediation
gemfibrozil
carbamazepine,
emphasizing
toxicological
impacts,
advanced
oxidation
processes,
membrane-based
removal
techniques,
underlying
mechanisms
driving
these
processes.
We
found
that
engineered
composites
with
strong
electron
transfer
capabilities
can
enhance
efficiency
as
they
boost
generation
highly
oxidative
radicals.
For
instance,
nano
zero-valent
ion
incorporated
carbon–nitrogen
composite
removes
100%
within
60
min.
Similarly,
ruthenium
perovskite-based
heterogeneous
catalyst
achieved
elimination
carbamazepine
in
7.5
