Modern Physics Letters B,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 24, 2024
Herein,
a
novel
hydrogel
(HG-cl-poly(AA))
was
synthesized
by
grafting
acrylic
acid
(AA)
onto
Hing
gum
(HG)
using
methylene-bis-acrylamide
(MBA)
as
cross-linker
and
ammonium
persulfate
(APS)
an
initiator
in
hot
air
oven.
The
percentage
swelling
of
the
examined
optimizing
various
reaction
parameters
to
ensure
its
maximum
percentage.
formation
crosslinked
networks
confirmed
Fourier-Transform
infrared
spectroscopy
(FTIR),
X-ray
diffraction
(XRD),
field
emission
scanning
electron
microscopy
(FESEM),
thermogravimetric
analysis
(TGA)
techniques.
surface
area
hydrophilicity
prepared
were
determined
Brunauer–Emmett–Teller
analyzer
wettability
studies,
demonstrating
clear
correlation
with
adsorption.
adsorption
crystal
violet
(CV)
dye
on
studied
via
batch
system
based
amount
adsorbent,
immersion
time,
pH
level,
initial
concentration.
showed
99%
removal
rate
excellent
capacity
492.61[Formula:
see
text]mg/g
due
electrostatic,
H-bonding,
dipole–dipole
interactions
between
adsorbent
molecules.
results
further
analyzed
Langmuir,
Freundlich,
Tempkin
isotherm
models.
study
suggests
consistency
pseudo-second-order
kinetic
model
([Formula:
text]),
supported
best
data
fit
Langmuir
text]).
thermodynamic
indicated
that
process
is
endothermic
spontaneous.
Regeneration
(desorption)
studies
could
remove
CV
from
aqueous
solution
maintain
highest
even
after
multiple
desorption
cycles.
Therefore,
HG-cl-poly(AA)
be
potential
for
have
admirable
cleaning
aquatic
environment.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 13, 2024
Abstract
This
research
investigates
the
utilization
of
Hing
gum-based
hydrogel
as
an
effective
adsorbent
for
removal
Malachite
Green
(MG)
dye
from
aqueous
solutions.
The
was
synthesized
using
gum
backbone,
acrylamide
monomer,
ammonium
persulfate
(APS)
initiator
in
free
radical
polymerization,
and
N,
N'-Methylenebisacrylamide
(MBA)
a
crosslinking
agent.
Optimization
different
reaction
parameters
carried
out
Response
surface
methodology.
A
full
factorial
model
utilized
to
achieve
maximum
swelling
percentage,
key
factors
were
identified
through
Pareto
chart.
optimized
variables,
including
(2.19
×10
−
2
mol
L
1
),
monomer
(8.65
×
10
solvent
(13
mL),
resulted
percentage
760%.
significance
confirmed
ANOVA
statistics.
Various
properties
analyzed
Fourier
transform
infrared
spectroscopy,
X-ray
diffraction,
Field
emission
scanning
electron
microscopy,
thermogravimetric
analysis,
Zeta
Potential,
Brunauer-Emmett-Teller
theory.
effectiveness
prepared
MG
adsorption
evaluated
by
measuring
contact
time,
pH
impact,
dose,
temperature.
exhibited
high
efficiency
removing
solutions,
achieving
noteworthy
rate
approximately
97%
over
6
hours
at
room
Adsorption
calculations
described
kinetics
isotherm
models.
results
indicate
that
pseudo-second-order
kinetic
Langmuir
provided
best
fit
absorption
process
MG.
obtained
highlight
capacity
demonstrate
its
potential
eco-friendly
cost-effective
solution
water.
Zeitschrift für Physikalische Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 6, 2024
Abstract
Biodegradable
(green)
materials
have
been
gained
momentous
attention
and
extensively
used
for
environmental
restoration
as
a
result
of
recent
legislations.
The
current
study
involved
treating
Pithecellobium
dulce
seed
pod
(PSD)
powder
with
acetic
acid
to
look
examined
the
possibility
using
treated
P.
(PD)
remove
Reactive
Red
195-A
from
its
aqueous
solution.
material
was
characterized
by
scanning
electron
microscopy
(SEM),
Fourier
transform
infrared
spectroscopy
(FT-IR),
differential
thermal
analysis
(DTA),
thermo
gravimetric
(TGA).
Different
constraining
factors,
such
dye
concentration,
temperature,
contact
time,
solution
pH,
sorbent
dose
were
batch
adsorption
trials.
Further,
Freundlich
Temkin,
alongside
Langmuir
equations
employed
analyze
different
isotherms.
results
showed
that
Temkin
isotherm
found
be
validated
experimental
findings
on
RRD
prepared
adsorbent.
exposed
adsorbing
process
tailed
pseudo-second
order
kinetic
model,
demonstrated
correlation
coefficient
R
2
greater
than
0.90.
According
thermodynamic
investigations,
endothermic
took
place
spontaneously.
suggested
PD
plant
might
cheaper
substitute
chemical
adsorbents
dyes.
Modern Physics Letters B,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 24, 2024
Herein,
a
novel
hydrogel
(HG-cl-poly(AA))
was
synthesized
by
grafting
acrylic
acid
(AA)
onto
Hing
gum
(HG)
using
methylene-bis-acrylamide
(MBA)
as
cross-linker
and
ammonium
persulfate
(APS)
an
initiator
in
hot
air
oven.
The
percentage
swelling
of
the
examined
optimizing
various
reaction
parameters
to
ensure
its
maximum
percentage.
formation
crosslinked
networks
confirmed
Fourier-Transform
infrared
spectroscopy
(FTIR),
X-ray
diffraction
(XRD),
field
emission
scanning
electron
microscopy
(FESEM),
thermogravimetric
analysis
(TGA)
techniques.
surface
area
hydrophilicity
prepared
were
determined
Brunauer–Emmett–Teller
analyzer
wettability
studies,
demonstrating
clear
correlation
with
adsorption.
adsorption
crystal
violet
(CV)
dye
on
studied
via
batch
system
based
amount
adsorbent,
immersion
time,
pH
level,
initial
concentration.
showed
99%
removal
rate
excellent
capacity
492.61[Formula:
see
text]mg/g
due
electrostatic,
H-bonding,
dipole–dipole
interactions
between
adsorbent
molecules.
results
further
analyzed
Langmuir,
Freundlich,
Tempkin
isotherm
models.
study
suggests
consistency
pseudo-second-order
kinetic
model
([Formula:
text]),
supported
best
data
fit
Langmuir
text]).
thermodynamic
indicated
that
process
is
endothermic
spontaneous.
Regeneration
(desorption)
studies
could
remove
CV
from
aqueous
solution
maintain
highest
even
after
multiple
desorption
cycles.
Therefore,
HG-cl-poly(AA)
be
potential
for
have
admirable
cleaning
aquatic
environment.
