Kuwait Journal of Science,
Journal Year:
2024,
Volume and Issue:
51(4), P. 100292 - 100292
Published: July 11, 2024
This
study
utilizes
a
hydrothermal-solvothermal
method
to
facilitate
the
fabrication
of
organobentonite
(OB)
by
intercalating
surfactant
octadecylamine
(ODA)
using
several
solvents
(water
(OB-Aq),
ethanol
(OB–Et),
and
mix
50%
water/ethanol
(OB-Aq/Et)).
The
physicochemical
features
materials
were
investigated
X-ray
diffraction,
Fourier
transform
infrared,
scanning
electron
microscopy,
Brunauer-Emmett-Teller
surface
analyzer,
thermogravimetry
differential
thermal
analysis
characterization.
structural
properties
found
that
intercalation
transformed
basal
spacing.
was
shown
lower
x-ray
diffraction
value
2θ
at
<6°
presence
peeled-off
layers
in
microscope
image.
regeneration
adsorption
evaluated
stability
OB,
demonstrating
its
capacity
withstand
temperatures
up
300
°C
undergo
three
cycles
adsorption.
In
addition,
processes
on
direct
yellow
are
mainly
characterized
pseudo-first-order
kinetic
Langmuir
isotherm
models.
interaction
between
alumina-silica
bentonite
ODA
chains
this
investigation
influenced
mechanism.
system
is
pH,
temperature,
ion
competition,
which
can
induce
disintegration
structure
from
surfaces
adsorbent.
mesoporous
structures
obtained
have
highest
chemisorption
capacities
for
OB-Aq,
OB-Et,
OB-Aq/Et,
with
values
270.27
mg/g,
108.696
2000
respectively.
work
suggests
an
efficient
fabricate
OB
anionic
dyes
removal,
specifically
yellow.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(11), P. 8815 - 8815
Published: May 30, 2023
The
demand
for
energy
has
increased
tremendously
around
the
whole
world
due
to
rapid
urbanization
and
booming
industrialization.
Energy
is
major
key
achieving
an
improved
social
life,
but
production
utilization
processes
are
main
contributors
environmental
pollution
greenhouse
gas
emissions.
Mitigation
of
crisis
reduction
in
(water
air)
difficulties
leading
research
topics
nowadays.
Carbonaceous
materials
offer
some
best
solutions
minimize
these
problems
easy
effective
way.
It
also
advantageous
that
sources
carbon-based
economical,
synthesis
comfortable,
applications
environmentally
friendly.
Among
carbonaceous
materials,
activated
carbons,
graphene,
carbon
nanotubes
have
shown
outstanding
performance
mitigating
pollution.
These
three
exhibit
unique
adsorption
properties
storage,
water
purification,
cleansing
their
electrical
conductivity,
large
specific
surface
areas,
strong
mechanical
strength.
This
paper
reviews
methods
nanotubes,
graphene
significant
treatment,
dioxide
capture
improve
sustainability.
JCIS Open,
Journal Year:
2024,
Volume and Issue:
15, P. 100118 - 100118
Published: June 26, 2024
The
present
study
involved
the
preparation,
characterization,
and
evaluation
of
layered
double
hydroxide
(LDH)
with
assistance
algae
Spirulina
platensis
(NiAl-Sp
ZnAl-Sp).
These
materials
were
investigated
for
their
potential
selective
adsorption
cationic
dyes,
including
rhodamine
B,
malachite
green,
methylene
blue.
adsorbents
exhibit
a
significant
level
selectivity
in
capacity
to
adsorb
green
comparison
other
dyes.
next
parameter
was
evaluated
as
Based
on
Langmuir
isotherm
model,
calculated
maximum
capacities
NiAl-Sp
ZnAl-Sp
determined
be
478.190
mg/g
(pH
=
4,
50
°C
30
min)
123.457
min),
respectively.
main
processes
encompassed
not
only
electrostatic
interactions
but
also
hydrogen
bonding
π-π
involving
dye
amino,
hydroxyl,
carboxyl
functional
groups
derived
from
platensis.
enhances
group
LDH.
findings
this
indicate
that
composite
demonstrated
stability
sorbent
green.
Furthermore,
it
observed
could
utilized
up
four
cycles,
there
noticeable
decrease
its
capability
over
time.
revealed
synthesized
high
efficacy
effluent.
Chemical Physics Impact,
Journal Year:
2024,
Volume and Issue:
8, P. 100587 - 100587
Published: March 27, 2024
The
preparation
of
MgAl
Layer
Double
Hydroxide
(LDH)
was
performed
using
the
coprecipitation
method.
Pristine
LDH
calcined
at
500°C
to
produce
Oxide
(LDO).
two
materials
were
modified
via
restacking-delaminating
bioactive
compounds
from
flower
extract
Clitoria
ternatea
(CT)
LDH-CT
and
LDO-CT.
Modifications
are
enhance
stability
catalyst
structure,
allowing
its
higher
photocatalytic
activities
regeneration
use.
prepared
catalysts
characterized
XRD,
FT-IR,
UV-DRS,
BET,
SEM-EDX.
XRD
diffraction
pattern
showed
that
three
have
typical
patterns
commonly
observed
in
LDH-based
materials.
FT-IR
spectra
confirmed
LDO-CT
combined
precursor
has
lowest
bandgap
energy
with
highest
degradation
kinetics.
BET
SEM-EDX
characterization
shows
uniform
surface
pore
size
on
used
ciprofloxacin
photodegradation
under
UV
light.
optimal
dose
5
mg,
while
pH
5.
LDO-CT,
LDH-CT,
capacity
up
73.300%,
65.739%,
71.320%,
respectively,
within
120
minutes.
Repeated
use
third
cycle
resulted
%R
reaching
80.871%,
74.003%,
52.025%,
by
LDH.
Compared
pristine
LDH,
CT
intercalated
exhibited
more
excellent
stability.
Materials Advances,
Journal Year:
2024,
Volume and Issue:
5(12), P. 5080 - 5095
Published: Jan. 1, 2024
MgAl
LDH/Zn-MOF
S-scheme
heterojunction
exhibits
superior
photocatalytic
activity
for
H
2
evolution,
methyl
red
dye
removal
and
CO
adsorption
due
to
increased
light
absorption,
high
surface
area,
good
stability
recyclability.
