Proceedings of the NTUU “Igor Sikorsky KPI” Series Chemical engineering ecology and resource saving,
Год журнала:
2023,
Номер
4, С. 80 - 87
Опубликована: Дек. 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.
International Journal of Electrochemical Science,
Год журнала:
2024,
Номер
19(5), С. 100547 - 100547
Опубликована: Март 20, 2024
In
this
paper,
four
quinoline
quaternary
ammonium
salts
were
synthesized
using
quaternization
reaction,
which
benzyl
quinolion
(BQL),
naphthylmethyl
quinolinium
chloride
(NQL),
benzyl-8-hydroxy
(BHQ)
and
8-hydroxy
(NHQ).
The
corrosion
inhibition
properties
of
the
derivatives
as
inhibitors
on
P110
steel
in
20%
HCl
solution
at
60°C
different
concentrations
investigated
by
weight
loss
electrochemical
measurements.
results
showed
that
concentration
inhibitor
increases,
rate
decreased
efficiency
improved.
Among
various
same
concentration,
their
efficiencies
can
be
ranked
from
lowest
to
highest
follows:
QL(quinoline)<8-HQ(8-hydroxyquinoline)
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(30)
Опубликована: Март 28, 2024
Abstract
Self‐repairing
coatings
have
received
widespread
attention
due
to
their
ability
repair
damaged
surfaces.
However,
film‐forming
molecules
can
only
be
fixed
on
the
metal
surface
through
relatively
weak
physical
and
chemical
adsorption.
This
drawback
limits
its
self‐repairing
ability.
Here,
a
mode‐switchable
TENG
(MS‐TENG)
is
developed,
which
has
switch
between
AC
DC
outputs
as
an
adjustable
charge
source
for
coatings.
Besides
normal
sector
electrodes
of
rotational
TENG,
MS‐TENG
special
design
external
(small
extension
rotator
inner/outer
orbit
stator)
achieves
accumulation
excitation
circuit
output
air
breakdown
with
advantage
complete
release
accumulated
charges.
Compared
traditional
current
been
improved.
In
addition,
process
occurs
in
electrode
framework
independent
body.
Therefore,
negative
impact
suppressed.
Finally,
used
achieve
rapid
electrostatic
adsorption
charged
injection.
effectively
improves
performance
coatings,
corrosion
inhibition
rate
96.9%.
