Batch Adsorption of Orange II Dye on a New Green Hydrogel—Study on Working Parameters and Process Enhancement
Gels,
Год журнала:
2025,
Номер
11(1), С. 79 - 79
Опубликована: Янв. 20, 2025
A
new
green
hydrogel
consisting
of
cherry
stone
(CS)
powder
and
sodium
alginate
(SA)
was
synthesized
through
physical
crosslinking.
The
product
had
a
mean
diameter
3.95
mm,
moisture
content
92.28%,
bulk
density
0.58
g/cm3,
swelling
ratio
45.10%.
analyses
its
morphological
structure
functional
groups
by
scanning
electron
microscopy
(SEM)
Fourier-transform
infrared
spectroscopy
(FTIR)
showed
the
successful
entrapping
CS
in
SA
polymeric
matrix.
viability
prepared
as
adsorbent
tested
towards
Orange
II
(OII)
anionic
dye.
influence
pH,
amount,
contact
time,
initial
dye
concentration
evaluated.
Then,
impact
three
accelerating
factors
(stirring
speed,
ultrasound
exposure
duration,
temperature)
on
OII
retention
investigated.
highest
recorded
removal
efficiency
adsorption
capacity
were
82.20%
6.84
mg/g,
respectively.
followed
Elovich
pseudo-second-order
kinetics,
adequately
described
Freundlich
Khan
isotherms,
can
be
defined
spontaneous,
endothermic,
random.
experiments
confirmed
that
obtained
used
acceptably
for
at
least
two
consecutive
cycles,
sustaining
effectiveness
water
decontamination.
Язык: Английский
Designing sustainable soil conditioners: Nanocomposite-based thermoplastic starch for enhanced soil health and crop performance
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
unknown, С. 139747 - 139747
Опубликована: Янв. 1, 2025
Язык: Английский
Mechanochemical-Activated Organomontmorillonite for Uranium Pollution Protection
AppliedChem,
Год журнала:
2025,
Номер
5(1), С. 5 - 5
Опубликована: Фев. 24, 2025
The
modification
of
the
layered
silicate
with
a
structural
type
2:1
montmorillonite
by
cationic
surfactant
hexadecyltrimethylammonium
bromide
was
carried
out.
obtained
organomontmorillonite
milled
for
2–25
min
in
high-energy
planetary
ball
mill.
and
physicochemical
characteristics
modified
mechanochemically
activated
were
investigated
using
various
methods
such
as
X-ray
diffraction,
thermal
analysis,
scanning
electron
microscopy,
energy-dispersive
spectroscopy,
transmission
determination
specific
surface
area
well
parameters
porous
structure
low-temperature
adsorption–desorption
nitrogen.
quaternary
ammonium
salt
led
to
slowdown
deformation
subsequent
amorphization
during
milling.
Mechanochemical
activation
increased
its
sorption
capacity
nine
times,
maximum
uranium
achieved
after
mechanochemical
treatment
10
min.
Язык: Английский