Experimental and Computational Study of Modified Biopolymer Xanthan Gum with Synthetic Vinyl Monomers for Enhanced Oil Recovery
Journal of Polymers and the Environment,
Journal Year:
2024,
Volume and Issue:
32(12), P. 6256 - 6275
Published: July 30, 2024
Abstract
Utilizing
xanthan
gum,
a
biodegradable
polymer,
in
enhanced
oil
recovery
(EOR)
is
imperative
wherever
there
need
for
innovation
production
that
both
cost-effective
and
environmentally
friendly.
Xanthan,
chosen
its
natural
sourcing,
availability,
controllability,
eco-friendliness,
biodegradability,
proves
resilient
against
harsh
reservoir
conditions
owing
to
rigid
structure
elongated
polysaccharide
chains.
This
study
investigates
two
modified
gum
composites,
achieved
by
grafting
with
synthetic
vinyl
monomers
through
emulsified
polymerization.
Spectroscopic
characterization
using
FTIR
1
H-NMR,
along
surface
morphology
analysis
via
atomic
force
microscopy
(AFM)
thermal
behavior
screening
TGA
analysis,
elucidates
the
properties
of
these
composites.
Rheological
under
conditions,
including
stress
scanning
viscosity/shear
rate
dependency,
was
evaluated.
Material
modeling
Materials
Studio
program
simulated
equilibrium
adsorption
biopolymer
chains
on
SiO
2
-quartz
crystal
assess
wettability
alteration.
Simulation
results
indicate
XG-g-AM,
MMA&TEVS
exhibit
greater
stability
coverage
more
negative
electrostatic
energies
compared
XG
XG-g-AM&MMA.
The
laboratory
runs
sandstone-packed
model
identify
disclosed
XG-g-AM&MMA
biopolymers
as
promising
EOR
candidates
modifiers
challenging
sandstone
reservoirs,
per
experimental
outcomes.
Language: Английский
One-pot synthesis of N'-(thiophen-2-ylmethylene)isonicotinohydrazide Schiff-base as a corrosion inhibitor for C-steel in 1 M HCl: Theoretical, electrochemical, adsorption and spectroscopic inspections
Journal of Molecular Structure,
Journal Year:
2024,
Volume and Issue:
1318, P. 139315 - 139315
Published: July 20, 2024
Language: Английский
Eco-friendly modified chitosan as corrosion inhibitor for carbon steel in acidic medium: Experimental and in-depth theoretical approaches
Ahmed A. Farag,
No information about this author
Shereen M. Al-Shomar,
No information about this author
N.S. Abdelshafi
No information about this author
et al.
International Journal of Biological Macromolecules,
Journal Year:
2024,
Volume and Issue:
279, P. 135408 - 135408
Published: Sept. 10, 2024
Language: Английский
Multifunctional Novel Lanthanide Complexes Based on Chromone Moiety for Corrosion Inhibition, Molecular Docking, and Anticancer and Antimicrobial Applications
Applied Organometallic Chemistry,
Journal Year:
2025,
Volume and Issue:
39(3)
Published: Feb. 5, 2025
ABSTRACT
Two
novel
multifunctional
complexes
[M(CCAM)
2
(NO
3
)](NO
)
·C
H
5
OH
(M
=
Dy
(III)/Er
(III);
CCAM
2‐cyano‐
N
′‐((4‐oxo‐4H‐chromen‐3‐yl)methylene)acetohydrazide)
were
synthesized
and
characterized
via
elemental
thermal
analyses,
molar
conductivity,
UV–vis.,
FT‐IR
spectroscopy,
revealing
a
1:2
metal‐to‐ligand
stoichiometry.
The
ligand
coordinated
with
Dy(III)
or
Er(III)
ions
through
nitrogen
of
azomethine
oxygen
the
carbonyl
γ‐pyran
groups.
Corrosion
inhibition
studies
for
Dy(CCAM),
Er(CCAM),
on
carbon
steel
(C‐steel)
in
1‐M
HCl
showed
Dy(CCAM)
Er(CCAM)
as
highly
efficient,
offering
best
protection.
In
solution,
Fe
2+
at
C‐steel
surface
interacts
CCAM,
compounds,
demonstrated
by
UV–vis
spectroscopy.
At
concentration
10
−3
M,
compounds
greater
performance
efficiency
weight
loss
test
reaching
93.34%
95.67%,
respectively.
Langmuir
adsorption
isotherm
pronounced
mixed
mechanisms.
characteristics
SEM,
EDX,
AFM,
contact
angle
measurements
confirmed
shielding.
vitro
antibacterial
antifungal
activity
prepared
against
organisms,
including
Escherichia
coli
,
Pseudomonas
aeruginosa
Staphylococcus
aureus
Bacillus
subtilis
bacteria,
C
andida
albicans
A
spergillus
fumigatus
fungi
is
carried
out.
inhibitor
exhibits
greatest
action
different
tested
antimicrobials.
Additionally,
cytotoxicity
produced
growth
inhibitory
effects
Erlish
Acities
Carcinoma
was
ascertained.
found
to
have
cytotoxic
levels
(IC
50
64
65
μM),
As
result,
more
effective
therapeutic
approach
creation
antimicrobial
antitumor
agents.
For
superior
corrosion
protection,
theoretical
molecular
docking
DFT
MD
simulations
validated
experimental
results.
Language: Английский
Unravelling the adsorption and anti-corrosion potency of newly synthesized thiazole Schiff bases on C-steel in 1 M HCl: Computational and experimental implementations
Results in Engineering,
Journal Year:
2025,
Volume and Issue:
unknown, P. 104504 - 104504
Published: Feb. 1, 2025
Language: Английский
One-pot synthesis of polybenzoxazine resin in situ blended with nano extract Lawsonia inermis as a shield coating for C-Steel in acidic environment: Experimental and theoretical approaches
Industrial Crops and Products,
Journal Year:
2024,
Volume and Issue:
223, P. 120306 - 120306
Published: Dec. 18, 2024
Language: Английский