Journal of Materials Research and Technology,
Год журнала:
2024,
Номер
30, С. 1116 - 1127
Опубликована: Март 24, 2024
A
corrosion
inhibition
test,
coupled
with
a
quantification
of
in-situ
H2
evolution,
can
be
used
to
evaluate
an
organic
inhibitor
such
as
Timoho
leaf
extract
(TLE).
TLE
is
biodegradable
and
effective
because
its
potential
protect
304SS
against
sulfuric
acid.
was
studied
through
systematic
electrochemical
experiments
morphological
characterization,
concentration
range
0–6g
L−1.
Convolutional
Neural
Network
(CNN)-VGG16
one
the
machine
learning
approaches
classify
predict
physical
changes
in
hydrogen
gas
bubbles.
Constituents
surfaces
were
analyzed
by
FT-IR
UV–Vis
tests.
The
results
suggested
that
3
g
L−1
able
reduce
rate
99.37
%.
TLE's
mechanism
on
mixed
adsorption
type
followed
Isothermal
Freundlich
Equation.
prediction
model
CNN-VGG16
for
tests
at
varied
doses
96%
accurate.
SEM
revealed
constituent
surface
had
smooth
morphology
few
degraded
spots.
Molecules,
Год журнала:
2024,
Номер
29(9), С. 2135 - 2135
Опубликована: Май 4, 2024
The
current
study
comprehensively
investigates
the
adsorption
behavior
of
chromium
(Cr(III))
in
wastewater
using
Algerian
kaolinite
clay.
structural
and
textural
properties
clay
are
extensively
characterized
through
a
range
analytical
methods,
including
XRD,
FTIR,
SEM-EDS,
XPS,
laser
granulometry,
N2
isotherm,
TGA–DTA.
point
zero
charge
zeta
potential
also
assessed.
Chromium
reached
equilibrium
within
five
minutes,
achieving
maximum
removal
rate
99%
at
pH
5.
Adsorption
is
modeled
Langmuir,
Freundlich,
Temkin,
Elovich,
Dubinin–Radushkevitch
equations,
with
Langmuir
isotherm
accurately
describing
process
yielding
capacity
8.422
mg/g
for
Cr(III).
Thermodynamic
parameters
suggest
spontaneous
endothermic
nature
Cr(III)
sorption,
an
activation
energy
26.665
kJ/mol,
indicating
importance
diffusion
sorption
process.
Furthermore,
advanced
DFT
computations,
COSMO-RS,
molecular
orbitals,
IGM,
RDG,
QTAIM
analyses,
conducted
to
elucidate
adsorption,
revealing
strong
binding
interactions
between
ions
surface.
integration
theoretical
experimental
data
not
only
enhances
understanding
but
demonstrates
effectiveness
this
adsorbent
treatment.
highlights
synergistic
application
empirical
research
computational
modeling
elucidating
complex
processes.
RSC Advances,
Год журнала:
2024,
Номер
14(18), С. 12533 - 12555
Опубликована: Янв. 1, 2024
This
study
investigates
the
corrosion
inhibition
potential
of
3,4-dimethoxy
phenyl
thiosemicarbazone
(DMPTS)
for
copper
in
1
M
hydrochloric
acid
(HCl)
solutions,
aiming
to
disclose
mechanism
behind
its
protective
action.
ACS Omega,
Год журнала:
2023,
Номер
8(49), С. 47224 - 47238
Опубликована: Дек. 1, 2023
Natural
and
fragrant
compounds,
essential
oils
(EOs)
extracted
from
plants
through
hydrodistillation,
are
gaining
popularity
as
eco-friendly
sustainable
agents
to
protect
metals
alloys
corrosion
in
acidic
environments.
This
research
focused
on
extracting
characterizing
an
EO
obtained
the
Cuminum
cyminum
(CC)
plant
native
India.
The
study
aimed
evaluate
inhibitory
properties
of
this
mild
steel
a
0.5
M
HCl
solution
at
different
concentrations.
Various
analytical
techniques,
including
potentiodynamic
polarization
curves,
electrochemical
impedance
spectroscopy,
optical
microscopy,
infrared
proton
magnetic
resonance,
were
employed
assess
effectiveness
extract.
Our
findings
indicate
that
L
(CCL)
extract
effectively
reduces
hydrochloric
acid
with
inhibition
efficiency
ranging
79.69
98.76%.
optimal
concentration
was
2
g/L
EO,
surface
analysis
confirmed
formation
protective
layer.
Furthermore,
our
results
suggest
inhibitor
binds
metal
charge-transfer
process,
creating
film.
Finally,
we
utilized
theoretical
calculations
molecular
dynamics
simulations
elucidate
mechanism
both
global
local
scale.
