An innovative approach for atrazine electrochemical oxidation modelling: Process parameter effect, intermediate formation and kinetic constant assessment
Chemical Engineering Journal,
Год журнала:
2023,
Номер
474, С. 146022 - 146022
Опубликована: Сен. 11, 2023
Water
reuse
for
irrigation
activities
is
becoming
a
crucial
worldwide
challenge
due
to
the
depletion
of
water
sources.
Anyway,
agricultural
drainage
can
potentially
contain
dangerous
contaminants
such
as
metals,
pesticides,
and
herbicides,
including
atrazine.
To
address
need
agriculture
wastewater
purification,
we
investigated
atrazine
removal
from
simulated
by
electro-oxidation
using
platinum-coated
titanium
electrodes
on
lab-scale
experimental
apparatus.
The
effects
electrolyte
composition
concentration,
i.e.
ionic
strength
applied
current
density
removal,
were
investigated.
results
demonstrated
that
electrochemical
oxidation
herbicide
occurred
through
two
routes,
depending
presence
or
absence
oxidizing
chlorine
species.
generation
intermediates
during
treatment
was
monitored
quantified
evaluating
effect
an
inert
(NaClO4)
versus
oxidizable
species
(NaCl).
In
both
conditions,
five
identified,
desethyl-atrazine
(DEA),
hydroxyatrazine
(ATZ-OH),
desisopropyl-atrazine
(DIA)
desethyl-desisopropyl-atrazine
(DEDIA).
A
degradation
mechanism
model
describing
hydroxyl
radicals
active
contributions
at
ATZ
also
proposed.
Intermediate
evolution
profiles
suggest
be
considered
series–parallel
reaction
system.
Finally,
energy
requirement
assessment
carried
out.
highest
(≅98%)
achieved
with
NaCl
=
0.08
M,
J
60
A/m−2,
EC
5.83
kWh
m−3.
Results
highlight
improved
when
(NaCl)
present
in
solution.
Moreover,
addition
energy-saving
strategy.
Collectively,
technique
efficiently
treat
polluted
order
meet
needs
recycling
quality
reduce
resource
consumption.
Язык: Английский
Versatile electrode materials applied in the electrochemical advanced oxidation processes for wastewater treatment: A systematic review
Separation and Purification Technology,
Год журнала:
2024,
Номер
354, С. 128725 - 128725
Опубликована: Июль 6, 2024
Язык: Английский
Facilely tuning the coating layers of Fe nanoparticles from iron carbide to iron nitride for different performance in Fenton-like reactions
Journal of Colloid and Interface Science,
Год журнала:
2024,
Номер
672, С. 688 - 699
Опубликована: Июнь 6, 2024
Язык: Английский
Electrochemical Oxidation Mechanism of Tetracycline in Various Supporting Electrolytes Based on a Boron‐Doped Diamond Anode
physica status solidi (a),
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 19, 2025
The
active
free
radical
species
vary
with
supporting
electrolyte
during
electrochemical
advanced
oxidation
processes,
thus,
resulting
into
the
significant
difference
in
removal
rate
and
degradation
pathways
of
organic
compounds.
Herein,
behavior
tetracycline
(TC)
is
studied
based
on
boron‐doped
diamond
anode
Na
2
SO
4
,
NaCl,
NaNO
3
systems.
It
revealed
that
ClO
−
initialize
reaction
TC
followed
by
gradual
through
•
OH.
Notably,
enhanced
lifetime
compared
to
ensures
a
more
effective
prolonged
TC.
Thus,
NaCl
system
remarkably
larger
than
Despite
different
across
each
system,
consistent
mechanism
identified:
initial
hydroxylation
occurs
at
arbitrary
positions
further
hydroxyl
group
form
aldehyde
or
ketone.
Ketones
undergo
direct
facilitate
ring‐opening
reaction;
whereas
aldehydes
are
oxidized
carboxylic
acid
eventually
transform
H
O
CO
.
This
work
sheds
deep
insights
compounds
various
electrolytes,
which
benefits
efficient
practical
applications.
Язык: Английский
Sustainable Atrazine Removal from Real Water Matrices Using Solar-Powered Electrooxidation
Water Air & Soil Pollution,
Год журнала:
2025,
Номер
236(3)
Опубликована: Март 1, 2025
Язык: Английский
Electrochemical oxidation for the rapid degradation of emerging contaminants: Insights into electrolytes and process parameters for phytotoxicity reduction
Chemosphere,
Год журнала:
2025,
Номер
377, С. 144363 - 144363
Опубликована: Апрель 4, 2025
Язык: Английский
Treatment of Monochlorobenzene from Polymers Process through Electrochemical Oxidation
Polymers,
Год журнала:
2024,
Номер
16(3), С. 340 - 340
Опубликована: Янв. 26, 2024
With
the
rapid
development
of
economy
and
demands
people’s
lives,
usage
amount
polymer
materials
is
significantly
increasing
globally.
Chlorobenzenes
(CBS)
are
widely
used
in
industrial,
agriculture
chemical
industries,
particularly
as
important
raw
during
polymers
processes.
CBS
difficult
to
remove
due
their
properties,
such
being
hydrophobic,
volatile
persistent
biotoxic,
they
have
caused
great
harm
ecological
environment
human
health.
Electrochemical
oxidation
technology
for
treatment
refractory
pollutants
has
been
its
high
efficiency
easiness
operation.
Thus,
electrochemical
system
was
established
efficient
monochlorobenzene
(MCB)
waste
gas.
The
effect
a
single
factor,
anode
materials,
cathode
electrolyte
concentration,
current
density
electrode
distance
on
removal
(RE)
MCB
gas
were
first
studied.
response-surface
methodology
(RSM)
investigate
relationships
between
different
factors’
conditions
(current
density,
distance),
prediction
model
using
Design-Expert
10.0.1
software
optimize
reaction
conditions.
results
one-factor
experiments
showed
that
when
treating
2.90
g/m3
with
0.40
L/min
flow
rate,
Ti/Ti4O7
an
anode,
stainless
steel
wire
mesh
cathode,
0.15
mol/L
NaCl
electrolyte,
10.0
mA/cm2
4.0
cm
distance,
average
(RE),
capacity
(EC)
energy
consumption
(Esp)
57.99%,
20.18
g/(m3·h)
190.2
(kW·h)/kg,
respectively.
RSM
effects
process
parameters
RE
MBC
follows:
>
concentration;
interactions
order
concentration
distance;
optimal
experimental
0.149
mol/L,
18.11
mA,
3.804
cm.
Under
these
conditions,
achieved
66.43%.
variance
analysis
regression
reached
significant
level,
validation
agreement
predicted
results,
which
proved
feasibility
model.
can
be
applied
treat
processes
through
oxidation.
Язык: Английский
Differences in anodizing of two copper-containing coordination compounds by different degradation factors: experiments and DFT calculations
Haodong Bi,
Zhao Xu,
Dandan Xu
и другие.
Journal of Cleaner Production,
Год журнала:
2024,
Номер
468, С. 142969 - 142969
Опубликована: Авг. 1, 2024
Язык: Английский
Unveiling intrinsic electrochemical mechanism of supporting electrolyte and interaction mechanism in electrochemical oxidation tetracycline with nano-PbO2
Yaxuan Wang,
Peitong Cen,
Hongyu Wang
и другие.
Environmental Science Nano,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
This
paper
studies
the
intrinsic
electrochemical
mechanisms
of
supporting
electrolytes
and
their
interaction
with
nano-PbO
2
during
oxidation
tetracycline,
providing
insights
into
role
in
enhancing
degradation
efficiency.
Язык: Английский
Assessing Biodegradation Processes of Atrazine in Constructed Wetland Using Compound-Specific Stable Isotope Analysis
Processes,
Год журнала:
2023,
Номер
11(11), С. 3252 - 3252
Опубликована: Ноя. 20, 2023
To
bridge
the
gap
between
lab-scale
microcosm
research
and
field
application
in
compound-specific
stable
isotope
analysis
(CSIA)
of
atrazine,
we
studied
characteristics
carbon
nitrogen
fractionation
atrazine
degradation
processes
within
a
constructed
wetland.
In
wetland,
observed
multiple
element
(C,
N)
parameters,
such
as
kinetic
effects
dual
slopes.
These
parameters
are
very
consistent
with
those
cultivation
AtzA-
or
TrzN-harboring
strains,
suggesting
similarity
pathway
reaction
mechanism
biodegradation
two
settings.
However,
recorded
variable
(εC:
−3.2
±
0.6‰
to
−4.3
0.6‰)
(εN:
1.0
0.3‰
2.2
0.3‰)
across
different
phases.
This
variance
could
lead
an
over-
underestimation
extent
when
employing
large
small
enrichment
factor
isotope.
Intriguingly,
estimation
accuracy
improved
considerably
using
(−4.6‰)
derived
from
batch
pore
water.
study
advances
CSIA
tracking
ecosystems,
it
also
underlines
importance
careful
selection
quantifying
intrinsic
ecosystems.
Язык: Английский