Proceedings of the NTUU “Igor Sikorsky KPI” Series Chemical engineering ecology and resource saving,
Journal Year:
2023,
Volume and Issue:
4, P. 80 - 87
Published: Dec. 23, 2023
Corrosion
is
a
phenomenon
that
strongly
affects
many
industries.
Everything
related
to
metallurgy,
shipbuilding,
or
the
oil
industry
negatively
affected
by
corrosion
processes.
This
big
problem,
because
number
of
industrial
accidents
due
reaches
more
than
75%.
Therefore,
in
this
work,
effectiveness
inhibition
processes
mineralized
water-oil
environments
was
investigated
detail.
The
main
goal
article
study
regularity
media
different
composition
and
at
temperature
regimes
for
effective
selection
mechanism
type
inhibitor.
An
method
reducing
impact
today
use
inhibitors.
expedient
not
only
from
point
view
action,
but
also
economic
expediency.
Inhibitors
are
added
corrosive
order
stop
reduce
They
can
be
used
as
protective
barriers
form
layer,
absorbers
prevent
oxidation
In
future,
inhibitor
selected
depending
on
metal
conditions
reactions
responsible
occurrence
course
corrosion.
Currently,
inhibitors
recognized
most
way
intensity
destruction
structures.
At
same
time,
it
impossible
obtain
universal
meets
requirements
high
efficiency,
manufacturability,
toxicological
safety,
time
obtained
an
economically
feasible
way.
Among
various
inhibitors,
organic
ones
have
shown
their
protecting
low-alloy
steels
equipment.
Metal
samples
St20
steel,
widely
manufacture
pipelines
production
equipment,
were
corroding
materials
study.
pH
changed
adding
solution
acetic
acid.
degree
determined
massometric
method.
volume
test
150
cm3,
adjusted
with
5%
acid
solution.
Alkylimidozoline
Judging
research
results,
mineral
aqueous
largely
rate
corrosion.
presence
significantly
reduces
both
blocking
access
oxygen
system
film
inertness
chemical
components
oil.
However,
found
increase
content
carboxylic
acids,
does
affect
any
Arguably,
alkylamidazoline
showed
protection
room
temperature,
contrast
studies
temperatures.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(11), P. 2611 - 2611
Published: June 1, 2024
Under-deposit
corrosion
is
widely
present
in
the
pipelines
of
oil
and
gas
production,
causing
significant
damage.
In
this
paper,
a
novel
electrochemical
cathodic-polarization
method
was
carried
out
to
accelerate
formation
CaCO3
scale
on
X65
steel
surface
simulated
solution
containing
scaling
ions.
Subsequently,
pre-scaled
placed
high
temperature
pressure
autoclave
conduct
weight-loss
experiments
situ
measurements.
The
study
mainly
compared
inhibition
behavior
four
quaternary
ammonium
salt
inhibitors,
pyridinium
(BPC),
quinolinium
(BQC),
8-hydroxyquinolinium
(BHQ)
(1-chloromethyl
naphthalene)
(1-CPN),
oilfield
under
corrosive
conditions.
results
demonstrated
that
efficiencies
inhibitors
from
low
were
as
follows:
1-CPN
<
BHQ
BQC
BPC.
measurements
showed
immersion
time
type
inhibitor
had
pronounced
influence
with
coating.
It
also
proved
using
both
EIS
PC
shows
best
performance
all.
Lastly,
mechanism
at
under-deposit
conditions
analyzed
via
morphology
observation
SEM.
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 16, 2025
The
influence
of
temperature
on
the
physicochemical
properties
air
nanobubbles
(A-NBs)
in
a
complex
salt
solution
is
crucial
for
their
application
corrosion
inhibition
within
circulating
cooling
systems.
variation
patterns
properties,
A-NBs
stainless
steel
and
underlying
mechanisms
range
system
were
investigated.
Results
indicated
that
increasing
led
to
decrease
number
concentration
A-NBs,
average
particle
size,
absolute
value
zeta
potential
gradually.
Weight
loss
measurements,
electrochemical
analyses,
morphological
characterizations
specimens
demonstrated
exhibited
effective
inhibition,
particularly
at
concentrations
order
107
particles/mL
≤50
°C.
Electrical
conductivity,
impedance,
surface
revealed
elevated
temperatures
detrimental
stability
bubble
layer.
binding
effect
corrosive
ions,
as
well
protective
roles
passive
film,
calcium
carbonate
scale,
layer
surface,
weakened,
leading
an
accelerated
rate.
This
study
provides
insights
into
industrial
environmentally
friendly
technology.
Journal of Electrochemical Science and Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 14, 2024
In
this
work,
the
effect
of
a
new
quinoxaline
derivative,
2-phenyl-3-(prop-2-yn-1-yloxy)
(PYQX),
was
evaluated
as
corrosion
inhibitor
for
carbon
steel
(CS)
in
1
M
HCl
electrolyte.
Weight
loss
measurement,
atomic
absorption
spectroscopy,
potentiodynamic
polarization,
electrochemical
impedance
scanning
electron
microscopy
with
energy
dispersive
and
UV-vis
spectroscopy
were
employed
to
assess
inhibitory
activity.
The
electronic
properties
interaction
between
molecule
CS
substrate
studied
using
molecular
dynamics
(MD)
simulation,
density
functional
theory
(DFT),
Fukui
functions.
According
AC
experiments,
under
consideration
showed
maximum
level
98.1
%
inhibition
efficiency
at
mM
30
°C.
Langmuir
adsorption
isotherm
model
explains
PYQX
on
surface.
A
slope
denotes
strong
molecule-substrate
interaction,
suggesting
that
binding
occurs
specific
surface
locations.
To
understand
functioning
mechanism,
various
thermodynamic
activation
parameters
evaluated.
PDP
tests
demonstrated
functions
mixed-type
inhibitor.
Computational
correlations
(DFT,
MD,
indices)
supported
experimental
findings.
