Advances in chemical and materials engineering book series,
Journal Year:
2024,
Volume and Issue:
unknown, P. 195 - 224
Published: Nov. 22, 2024
The
inhibition
effect
of
some
lactams
(Pyrrolidin‐2‐one,
δ‐valerolactam,
and
ε‐caprolactam)
on
the
corrosion
behaviour
mild
steel
in
1M
Hydrochloric
acid
solution
was
studied
by
weight
loss
electrochemical
techniques.
results
demonstrated
that
both
ε‐caprolactam
significantly
inhibit
corrosion.
Specifically,
δ‐valerolactam
achieved
an
efficiency
85.2%,
while
exhibited
a
higher
91.5%.
thermodynamic
parameters
governing
adsorption
process
such
as
heat,
entropy,
free
energy
were
determined
discussed.
lactam
compounds
surface
HCl
follows
Langmuir
isotherm
model.
Technologies,
Journal Year:
2025,
Volume and Issue:
13(3), P. 103 - 103
Published: March 5, 2025
This
review
examines
recent
advances
in
corrosion
inhibitor
technologies,
with
a
focus
on
sustainable
and
environmentally
friendly
solutions
that
address
both
industrial
efficiency
environmental
safety.
Corrosion
is
ubiquitous
problem,
contributing
to
massive
economic
losses
globally,
costs
estimated
between
1
5%
of
GDP
different
countries.
Traditional
inorganic
inhibitors,
while
effective,
are
often
based
toxic
compounds,
necessitating
the
development
more
non-toxic
alternatives.
The
present
work
highlights
innovative
eco-friendly
inhibitors
derived
from
natural
sources,
including
plant
extracts
oils,
biopolymers,
etc.,
being
biodegradable
substances
provide
effective
resistance
minimal
impact.
In
addition,
this
explores
organic–inorganic
hybrid
nanotechnology-enhanced
coatings
demonstrate
improved
efficiency,
durability,
adaptability
across
industries.
Key
considerations,
such
as
application
techniques,
mechanisms
action,
impact
factors
performance,
discussed.
comprehensive
presentation
aims
contribute
updating
data
advanced
capable
meeting
requirements
modern
industries
promoting
safe
practices
management.
ChemEngineering,
Journal Year:
2025,
Volume and Issue:
9(1), P. 7 - 7
Published: Jan. 8, 2025
Density
functional
theory
(DFT)
and
molecular
dynamics
(MD)
simulations
were
employed
to
investigate
the
inhibition
mechanism
of
cationic
quaternary
ammonium
surfactant
corrosion
inhibitors
(CIs)
with
varying
chain
lengths
in
1.0
M
HCl
500
ppm
acetic
acid
on
Fe
(110)
surfaces.
DFT
calculations
demonstrated
that
all
CI
molecules
possess
favorable
properties,
groups
(N+)
alpha
carbon
serving
as
electron-donating
reactive
centers,
characterized
by
a
low
band-gap
energy
1.26
eV.
MD
highlighted
C12,
12-alkyl
length,
most
promising
molecule,
exhibiting
high
adsorption
binding
energies,
diffusion
coefficient,
random
distribution
at
concentrations,
thereby
facilitating
optimal
onto
metal
surface.
The
insights
gained
from
computational
modeling
regarding
influence
alkyl
length
efficiency,
coupled
comprehensive
theoretical
understanding
acidic
systems,
can
serve
foundation
for
future
development
innovative
incorporating
ammonium-based
groups.
