Separation and Purification Technology,
Journal Year:
2024,
Volume and Issue:
353, P. 128436 - 128436
Published: June 16, 2024
A
novel
cathode,
iron-nickel
alloy
modified
carbon
aerogel
(FeNi-CA),
was
successfully
synthesized
and
utilized
as
the
cathode
in
an
electro-Fenton
process
for
acetaminophen
degradation.
The
incorporation
of
Fe
Ni
matrix
resulted
superior
electrochemical
characteristics
catalytic
performance
compared
to
Fe-CA
Ni-CA.
unique
microstructure
FeNi-CA,
including
presence
nanoparticles,
defects,
abundant
oxygen
functional
groups,
enhanced
2e−
reduction
activity
electrocatalytic
performance.
This
enabled
FeNi-CA
exhibit
a
dual
functionality
H2O2
electro-generation
situ
activation.
demonstrated
good
over
wide
pH
range
at
low
current
density
4.44
mA/cm2.
Under
optimal
conditions,
99.9
%
removed
with
reaction
rate
constant
(kobs)
0.054
min−1
through
electro-sorption
oxidation
processes.
Importantly,
satisfactory
degradation
effect
achieved
absence
external
aeration.
work
provides
potential
wastewater
treatment
solution
without
need
aeration
or
additional
chemical
input
by
simultaneously
achieving
evolution
anode
cathode.
Furthermore,
reusability
controlled
metal
leaching
after
five
consecutive
runs,
suggesting
its
sustained
use
processes
long
term.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Sept. 22, 2023
A
synergistic
combination
of
electrocoagulation-electrooxidation
(EC-EO)
process
was
used
in
the
current
study
to
treat
domestic
greywater.
The
EC
consisted
an
aluminium
(Al)
anode
and
iron
(Fe)
cathode,
EO
titanium
with
platinum
coating
mesh
(Ti/Pt)
as
stainless
steel
a
cathode.
effect
operative
variables,
namely
density,
pH,
time
time,
on
removal
chemical
oxygen
demand
(COD),
colour,
turbidity,
total
organic
carbon
(TOC)
studied
optimised
using
Response
Surface
Methodology
(RSM).
results
showed
that
although
pH
affected
all
pollutants,
it
had
more
turbidity
contribution
88.44%,
while
density
main
dominant
colour
73.59%.
It
also
found
at
optimal
operation
conditions
for
2.6
A,
initial
4.67,
31.67
min,
93.28
min
led
COD,
TOC
rates
96.1%,
97.5%,
90.9%,
98%,
respectively,
which
were
close
predicted
results.
average
operating
cost
energy
consumption
0.014
$/m3
0.01
kWh/kg,
0.083
0.008
0.075
0.062
0.105
0.079
respectively.
