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
Efficient cationic dye removal from contaminated water using magnetically separable self-cleaning core-shell Fe3O4@SixTi1-xO2 nanoadsorbents
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 116440 - 116440
Опубликована: Март 1, 2025
Язык: Английский
Photocatalytic oxidation of antibiotic residue and organic dye pollutant using noble metal-doped ZnO: Reducing environmental and health risks
Journal of Environmental Science and Health Part B,
Год журнала:
2025,
Номер
unknown, С. 1 - 9
Опубликована: Апрель 8, 2025
Water
pollution
associated
with
antibiotic
residues
and
colored
organic
pollutants
leads
to
various
potential
risks
human
health
the
environment.
This
work
develops
an
economical
method
that
is
suitable
for
removing
both
from
water.
The
oxidation
process
based
on
a
noble
metal
(Ag)-doped
zinc
oxide
photocatalyst
(Ag-ZnO)
was
selected
as
strategy
investigation.
Besides,
tetracycline
(A-Tc)
methylene
blue-colored
(D-Mb)
were
target
contaminants.
With
light
assistance,
Ag-ZnO
showed
significantly
improved
degradation
efficiency
A-Tc
D-Mb
at
90.6
97.3%,
respectively.
advantages
of
are
also
confirmed
by
faster
rate
constants,
which
more
than
twice
fast
those
undoped
sample.
mineralization
shows
93.5%
98.7%
carbon
removed
solutions,
result
suggests
being
converted
into
inorganic
substances.
In
addition,
benefits
using
enhance
safety,
reduce
negative
effects
environment,
decrease
treatment
costs
discussed.
Язык: Английский