Journal of Cluster Science,
Journal Year:
2024,
Volume and Issue:
36(1)
Published: Dec. 2, 2024
Abstract
A
promising
nickel
ferrite
(NiFe
2
O
4
)
NPs
with
excellent
magnetic
characteristics
was
synthesized
using
an
aqueous-based
reflux
approach
that
eliminates
the
need
for
calcination
temperature.
The
nanoparticles
obtained
were
analysed
X-ray
diffraction
(XRD),
Fourier-transform
infrared
(FTIR),
and
scanning
electron
microscopy
(SEM).
analysis
showed
had
a
spherical
shape
average
size
ranging
from
18
to
29
nm.
is
utilized
removal
of
hexavalent
chromium
(Cr
(VI))
pentavalent
arsenic
(As
(V))
ions
aqueous
solution
through
adsorption
method.
Cr
(VI)
achieved
maximum
efficiency
65%
after
120
minutes
at
pH
5,
dose
g/L
concentration
25
mg/L.
while
As
(V)
1
initial
mg/L
77%
minutes.
In
addition,
data
isotherms
Langmuir
(R
=
0.99,
0.98),
Freundlich
0.86,
0.97)
Temkin
0.83,
0.97).
governed
by
pseudo
first-order
kinetics
process,
whereas
second-order
reaction.
After
five
adsorption–desorption
cycles
same
optimal
operating
condition,
dropped
65%,
25%,
30%,
respectively.
Applied Water Science,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Dec. 19, 2024
In
current
study,
a
novel
adsorbent
of
CuFe2O4/CuS
magnetic
nanocomposite
(MNC)
was
constructed
via
green
approach
for
tetracycline
(TC)
removal.
The
leaf
extract
the
Alhagi
pseudalhagi
plant
employed
as
reductant
agent.
features
were
characterized
using
XRD,
FTIR,
FESEM,
TEM,
BET,
and
VSM.
Batch
studies
conducted
to
assess
impact
parameters,
including
pH
(3.0–9.0),
dosage
(0.025–2
g/L),
TC
concentration
(5–100
mg/L),
temperature
(5–50
°C)
on
adsorption
efficiency.
antibiotic
fully
removed
at
7.0,
dose
1.5
g/L,
time
200
min,
content
5
mg/L.
Based
thermodynamic
onto
MNC
occurred
spontaneously
primarily
driven
by
physical
interactions
(physisorption).
Positive
values
∆H°
(enthalpy
change)
∆S°
(entropy
demonstrated
that
process
is
naturally
endothermic,
degree
dispersion
improves
with
rising
temperature.
Adsorption
kinetics
well
fitted
pseudo-second-order
model.
isotherm
showed
can
be
maximum
31
mg/g.
Overall,
exhibited
notable
efficacy
cost-effectiveness
(reusability:
times)
from
water.
Water,
Journal Year:
2024,
Volume and Issue:
16(21), P. 3024 - 3024
Published: Oct. 22, 2024
There
are
various
methods
for
environmental
organic
pollutant
degradation
and
removal,
among
which
ultraviolet/persulfate
has
drawn
significant
attention
due
to
its
excellent
oxidizing
properties,
high
maneuverability,
less
formation
of
by-products.
To
comprehensively
assess
the
development
ultraviolet/persulfate,
a
bibliometric
analysis
was
conducted
based
on
relevant
literature
indexed
by
Web
Science
from
2002
2024.
The
findings
revealed
growing
number
publications,
with
China,
Iran,
United
States
being
top
three
countries
highest
total
publications.
Robust
regional
collaborations
were
evident.
Additionally,
Chinese
American
scholars
presented
more
activity
in
this
field,
their
publications
exhibited
higher
quality.
Furthermore,
current
research
hotspots,
as
indicated
keywords,
primarily
focused
mechanism
reaction
kinetic
model
simulation.
Bibliometric
results
underscored
that
an
effective
environmentally
friendly
disinfection
technology,
possessed
substantial
potential
controlling
diverse
pollutants,
such
antibiotics,
dyes,
natural
substances,
heavy
metals,
microorganisms,
so
on.
Future
might
concentrate
developing
new
catalytic
composites
optimization
photoactivation
system.
practical
application
still
needs
be
investigated
complexity
water
matrix.
revival
microorganisms
variation
toxicity
should
considered
further.
