Separation Science and Technology,
Год журнала:
2023,
Номер
58(11), С. 2041 - 2063
Опубликована: Июнь 25, 2023
Aerated
iron
electrocoagulation
is
an
emerging
field
of
water
and
wastewater
treatment.
In
comparison
with
the
conventional
process,
aerated
process
has
higher
pollutant
removal
efficiency
ability
to
generate
oxidants
like
ferryl
ions,
which
are
able
oxidize
pollutants
such
as
arsenite
organic
compounds
effectively.
addition,
carbon-based
materials
used
cathodes
(instead
iron)
in
(the
also
known
peroxi-coagulation)
offer
significant
advantages
modified
studies,
since
they
non-corrosive
inert.
Peroxi-coagulation
hydrogen
peroxide,
hydroxyl
radicals,
addition
ions
process.
For
this
reason,
uses
graphite,
carbon
nanotubes,
electrode
evaluated
within
scope
study.
Chemical Engineering Journal,
Год журнала:
2022,
Номер
444, С. 136573 - 136573
Опубликована: Апрель 25, 2022
The
combination
of
electrochemistry
and
ultrasonic
irradiation
(sonoelectrochemistry)
has
gained
increasing
attention
in
recent
years
as
a
method
for
removing
dissolved
pollutants
from
water.
This
interest
stems
the
potential
sonoelectrochemical
approaches
to
completely
mineralise
pollutants,
converting
them
into
harmless
mineral
species
such
water
carbon
dioxide.
In
many
cases,
electrochemical
inputs
pollutant
degradation
process
are
found
be
synergistic,
producing
faster
rate
than
that
produced
by
sum
purely
or
sonochemical
on
their
own.
synergism
several
causes,
with
enhanced
production
powerfully
oxidising
radicals
improved
mass
transport
electrode
surface
being
two
most
often
cited.
this
review,
we
first
give
an
overview
various
factors
impact
studies
(including
reactor
design,
parameters
reaction
conditions),
before
then
discussing
detail
examples
processes
persistent
organic
2015
onwards.
Chemosphere,
Год журнала:
2023,
Номер
316, С. 137821 - 137821
Опубликована: Янв. 11, 2023
Electrochemical
treatment
of
organic
matter
for
environmental
remediation
necessitates
the
development
cheap
and
robust
electrodes
that
are
chemically
structurally
stable.
To
address
this
challenging
requirement,
we
demonstrate
a
new
electrochemical
approach
using
simple
copper
electrode
under
cathodic
conditions
to
electrochemically
generate
reactive
nitrosonium
ions
degradation
different
classes
synthetic
dyes.
This
could
be
achieved
in
an
aqueous
HNO3/KNO3
electrolyte
at
relatively
low
potential
-0.5
V
RHE
room
temperature.
UV-visible
absorption
spectroscopy,
Raman
liquid
chromatography
-
mass
spectrometry
total
carbon
measurements
revealed
rapid
decolorisation
mineralisation
several
dye
types
such
as
triarylmethane
dyes
(crystal
violet,
cresol
red),
azo
(methyl
orange)
well
sulfur
containing
thiazine
(toluidine
blue).
The
content
50
mg
L-1
methyl
orange
solution
was
found
decrease
by
83%
after
1
h
electrolysis.
Promisingly,
locally
sourced
river
creek
water
samples
spiked
with
were
also
successfully
treated
up
6
cycles
Cu
electrode,
demonstrating
polluted
waterways.
