Separation Science and Technology,
Год журнала:
2024,
Номер
59(15), С. 1425 - 1453
Опубликована: Авг. 6, 2024
The
rapidly
growing
electroplating
industry
has
led
to
the
discharge
of
large
amounts
wastewater
containing
heavy
metals
and
organic
acids.
Innovative
techniques
are
required
for
efficient
effective
treatment
such
effluents.
present
work
explored
through
new
TiO2-NTs/GO/SnO2
electrodes
by
electro-oxidation
(EO)
in
batch
once-through
continuous
system.
A
electrode
with
excellent
oxidation
ability
was
successfully
fabricated
introducing
a
SnO2
outer
layer
simple
anodization
method.
Moreover,
response
surface
methodology
(RSM)-Box-Behnken
design
(BBD)
model
used
optimize
responses.
effects
operating
conditions,
i.e.
pH
(3–9),
current
(0.1–0.9
A),
time
(30–180
min),
on
efficiency
process
were
investigated.
With
optimum
97.1%
Cu,
95.7%
Zn,
91.2%
COD
degradation,
7.32
kWh/m3
energy
consumption
achieved.
setup
working
at
flow
rate
5–20
mL/min
performed
under
optimal
conditions.
remained
durable
even
after
50
cycles.
contribution
several
reactive
species
EO
examined
presence
scavengers.
according
toxicity
study,
can
detoxify
Hence,
this
process,
which
is
low-cost
highly
efficient,
be
applied
wastewater.
Desalination and Water Treatment,
Год журнала:
2024,
Номер
320, С. 100622 - 100622
Опубликована: Июль 28, 2024
Microplastics
(MPs)
in
the
aqueous
environments
has
attracted
widespread
attention
because
of
its
potential
risk
to
human
health.Its
high
stability
makes
it
difficult
be
degraded
and
long
term
presence
environment.
Therefore,
is
crucial
find
an
efficient
clean
technology
remove
microplastics
water.
The
advanced
electrocatalysis
oxidation
process
(AEOP)
shows
great
for
application.
In
this
work,
We
focused
on
preparing
Ti/Sb-SnO2
electrodes
doped
with
different
rare
earth
elements
(La,
Ce,
Sm
or
Nd)
as
active
layer
by
sol-gel
method.
electrooxidation
system
efficiently
MPs
solution.
optimal
parameters
removal
were
electrode
spacing
1.5
cm,
current
density
46.67
mA·cm−2,
Na2SO4
electrolyte
concentration
0.22
mol·L−1,
initial
solution
pH
7.
After
3
h,
rate
Ti/La-Sb-SnO2
reached
28.3
%,
which
was
higher
than
Ti/Ce-Sb-SnO2,
Ti/Sm-Sb-SnO2,
Ti/Nd-Sb-SnO2
electrode,
rates
increased
8.23
10.13
16.28
%
77
respectively.
Electrochemical
performance
tests
•OH
(Hydroxyl
radicals)
generation
results
indicated
that
surface
had
abundant
sites,
promoted
formation
degrade
effectively.
summary,
element-doped
provides
technological
support
electrooxidative
from
