Water Practice & Technology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 21, 2024
ABSTRACT
The
present
research
emphasized
on
the
removal
of
Congo
Red
(CR)
dye
from
aqueous
solutions
using
an
adsorbent
synthesized
by
utilizing
leaf
extract
Neolamarchia
cadamba
as
a
bio-template.
This
facilitates
formation
zinc
oxide
nanoparticles
which
are
then
carbonized
to
enhance
adsorption
capabilities.
material
is
referred
NC@ZnC,
for
coherent
CR
dye.
Various
operating
parameters
were
used
onto
NC@ZnC.
maximum
monolayer
decontamination
was
303.03
mg/g
when
it
incubated
90
min
at
pH
5.
specific
surface
area
amalgamated
NC@ZnC
reported
be
6.509
m2/g
Bruaneur–Emmett–Teller
analysis.
Field-emission
scanning
electron
microscopy
show
rough
area,
X-ray
diffraction
analysis
determine
crystalline
structure
with
grain
size
20.062
nm.
Elemental
dispersive
elemental
composition
Raman
spectroscopy
demonstrates
lysine
group
that,
upon
adsorption,
interacts
oxygen
form
bond.
regresses
pseudo-second-order
kinetics
and
follows
Langmuir
isotherm
process.
sorption
activity
respect
temperature
appears
displaying
+ΔH°
+ΔS°,
suggests
endothermic
impulsive
nature.
Water and Environment Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
Abstract
This
study
aimed
to
synthesize
and
evaluate
the
adsorption
properties
of
a
novel,
recyclable,
environmentally
friendly
nanocomposite
containing
metal–organic
frameworks
(MOFs)
biopolymer
hydrogel
infused
with
nanocatalyst.
Copper
MOFs
were
prepared
via
aqueous
synthesis.
A
green
nanocatalyst
composed
Mn/Ni
oxide
was
synthesized
utilizing
Dalbergia
sissoo
plant.
Hydrogel‐based
doped
CuMOFs
(doped‐CuMOFs/Hy)
finally
prepared.
The
structure
composition
doped‐CuMOFs/Hy
have
been
confirmed
through
various
characterization
analyses.
effectively
removed
99%
ciprofloxacin
(CIP)
from
solution
under
optimal
conditions
pH
8,
60‐minute
duration,
an
adsorbent
dose
0.03
g,
CIP
concentration
25
mg/L.
It
had
maximum
capacity
4525.29
mg/g.
mechanism
summarized
by
linear
non‐linear
isotherm
kinetic
models.
reusability
test
after
five
cycles
showed
81%
removal.
Successfully
implementing
this
material
in
industrial
water
systems
could
significant
impact
on
environmental
research.
Additionally,
its
cost‐effectiveness
would
provide
substantial
benefits
global
economy.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(8), P. 1115 - 1115
Published: April 16, 2024
Tetracycline
(TC)
is
a
common
antibiotic;
when
untreated
TC
enters
the
environment,
it
will
cause
negative
impact
on
human
body
through
food
chain.
In
present
study,
MnO2/MCM-41@Fe3O4
(FeMnMCM)
prepared
using
hydrothermal
and
redox
method
Camellia
oleifera
shell-activated
carbon
(COFAC)
alkali
activation
were
encapsulated
alginate
(ALG)
calcium
chloride
as
cross-linking
matrix
to
give
composite
beads
COFAC–FeMnMCM–ALG.
The
resultant
COFAC–FeMnMCM–ALG
then
carefully
characterized,
showing
high
immobilization
of
MnO2/MCM-41@Fe3O4,
with
porous
COFAC
an
effective
bioadsorbent
for
enriching
pollutants
in
treated
samples.
These
bead
catalysts
subsequently
applied
oxidative
degradation
Fenton
oxidation
system.
Several
parameters
affecting
investigated,
including
H2O2
concentration,
catalyst
dosage,
initial
temperature.
A
very
catalytic
activity
towards
was
demonstrated.
electron
paramagnetic
resonance
(EPR)
quenching
results
showed
that
·OH
·O2−
generated
system,
main
radical
species.
addition,
exhibited
excellent
recyclability/reusability.
We
conclude
as-prepared
beads,
which
integrate
MnO2
Fe3O4
bioadsorbents,
provide
new
idea
design
advanced
processes
(AOPs)
have
great
potential
system
degrade
toxic
pollutants.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: June 25, 2024
This
study
compares
the
adsorption
behavior
of
both
Methylene
Blue
(MB)
and
Congo
Red
(CR)
dyes
on
surfaces
cement
kiln
dust
(CKD)
powder
from
experimentally
simulated
wastewater
solution.
The
was
characterized
using
X-ray
Fluorescence
(XRF),
diffraction
(XRD),
N