Green Processing and Synthesis,
Journal Year:
2025,
Volume and Issue:
14(1)
Published: Jan. 1, 2025
Abstract
Cr/Co-MOFs
were
synthesized
via
a
solvothermal
method
using
chromium
acetate
and
cobalt
chloride
hexahydrate
as
metal
ions,
trimeric
acid
the
organic
ligand.
The
structures
of
characterized
Fourier
infrared
spectroscopy,
X-ray
diffraction,
scanning
electron
microscopy
techniques.
These
used
for
removing
contaminants
in
wastewater
treatment.
Fleroxacin
Rhodamine
B
(RhB)
specifically
selected
target
molecules
this
study
to
evaluate
removal
efficiency
based
on
mass
Co/Cr-MOFs,
concentrations
contaminants,
adsorption
time.
Experimental
findings
indicated
that
at
Co/Cr-MOFs
dosage
100
mg,
with
initial
(30
ppm)
RhB
(20
ppm),
efficiencies
achieved
95%
99%,
respectively.
Within
timeframe
5
h,
attained
capacities
amounting
269.6
mg·g
−1
fleroxacin
289.5
RhB.
interaction
between
fleroxacin,
well
RhB,
is
primarily
attributed
factors
such
pore
size,
hydrogen
bonding,
electrostatic
charge,
π–π
interactions.
Moreover,
theoretical
analysis
corroborated
these
experimental
results
by
demonstrating
conformity
process
both
second-order
kinetic
model
equations
alongside
Langmuir
isotherm
equations.
Collectively,
data
combined
investigations
underscore
practical
significance
associated
employing
effective
eradication
pollutants.
Journal of Dispersion Science and Technology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 17
Published: Aug. 30, 2024
This
study
investigates
the
effectiveness
of
ultrasound-aided
sorption
using
carbon–doped
zinc
oxide
nanoparticles
(C–ZnO
NPs)
for
removal
eosin
yellow
dye
(EY)
from
wastewater.
Raman
spectroscopy
was
employed
to
confirm
successful
carbon
doping
in
ZnO
lattice,
while
field
emission
scanning
electron
microscopy
(FESEM)
used
observe
morphology
C–ZnO
NPs,
revealing
uniform
pseudo-spherical
grains
with
diameters
ranging
20
35
nm.
The
impact
important
parameters
such
as
EY
base
concentration
(50–200
mg/L),
NPs
dose
(0.125–1.0
g/L),
initial
solution
pH
(2.0–10.0),
and
reaction
time
(1–30
minutes)
on
investigated
assess
adsorptive
potential
NPs.
highest
efficiency
95.90
±
0.96
%
achieved
within
minutes
0.50
g/L,
a
4.0,
at
an
50
mg/L.
adsorption
followed
pseudo-second-order
kinetics
Langmuir
isotherm,
capacity
232.59
1.36
mg/g.
Sono-assisted
outperformed
performance
98.96%
0.85%
compared
conventional
methods
like
magnetic
stirring
overhead
stirring,
which
had
73.24%
1.90%
78.06%
2.0%
respectively.
is
found
be
cost-effective
adsorbent
due
its
low
production
cost
31.0
$/kg
high
reusability.
As
result,
this
work
emphasizes
prospective
use
wastewater
account
efficiency,
superior
over
effectiveness.
Environmental Quality Management,
Journal Year:
2024,
Volume and Issue:
34(1)
Published: March 3, 2024
Abstract
Extensive
use
of
dyes
by
the
textile
industries
poses
a
serious
threat
to
aquatic
flora
and
fauna.
Low‐cost
bio‐sorbent
derived
from
marine
red,
Gracilaria
verrucosa
(RAC),
green
macroalgae,
Enteromorpha
intestinalis
(GAC)
have
been
used
for
effective
removal
unsafe
Malachite
Green
(MG)
dye.
Batch
study
was
conducted
determine
different
bio‐sorption
parameters
such
as
biochar
dosage,
pH,
initial
concentration
MG,
contact
time
including
MG
capacities.
The
physicochemical
characterization
results
show
presence
lower
crystallite
sizes,
active
functional
groups
carbonyl,
hydroxyl,
carboxyl,
sulfate
amine
with
mesoporous
morphology
algal
biochar.
FT‐IR,
XRD
SEM
analyses
were
also
performed
characterize
structural
investigation
adsorbents.
kinetics
adsorption
pseudo‐first‐order
pseudo‐second‐order
analyzed
confirms
about
nature
process
be
chemisorption.
test
20
mg/L
at
an
equilibrium
90
min
RAC
showed
maximum
efficiency
97.49%
pH
8
whereas
GAC
93.37%
pH10.
Thus,
macroalgae
can
substitute
commercially
available
adsorbents
degradation
effluents.
RSC Sustainability,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
study
evaluated
the
effectiveness
of
low-cost
eucalyptus
biochar
(EUBC)
as
a
precursor
for
activated
carbon
(EUAC),
methyl
orange
(MO)
removal
and
supercapacitor
applications.
