Journal of Inorganic and Organometallic Polymers and Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 13, 2024
Abstract
We
established
three
nano-solid
adsorbents:
nanocellulose
based
on
plant
loofah
sponge
(NC),
chitosan
(CS),
and
nanocellulose/chitosan
composite
(CSC).
These
substances
were
employed
as
solid
adsorbents
to
eliminate
methylene
blue
(MB)
dye
from
wastewater.
Various
characterization
techniques
investigate
all
the
synthesized
adsorbents,
including
TGA
(thermogravimetric
analysis),
XRD
(X-ray
diffraction
spectra),
(BET)
nitrogen
gas
adsorption-desorption,
SEM
(scanning
electron
microscope),
TEM
(transmission
microscopy),
FTIR
(Fourier
transform
infrared)
spectrometer,
zeta
potential.
According
our
results,
CSC
showed
greater
thermal
stability
than
LS
NC
but
lower
CS,
mesoporous
(2.012
nm),
higher
total
pore
volume
(0.366
cm
3
.
g
−
1
),
specific
surface
area
(639.3
m
2
pH
pzc
of
7.22.
The
static
adsorption
MB
was
well
described
by
Langmuir
(
R
>
0.9872),
Temkin
0.9668),
Dubinin-Radushkevich
0.9485)
models.
exhibited
highest
capacity
(301.20
mg.
)
at
47
°C
after
a
24
h
shaking
period
dosage
g.
L
adsorbent
7.
fabricated
materials
fitted
with
linear
PSO
0.9806)
Elovich
0.9574)
kinetic
model.
enthalpy,
entropy,
free
energy
change
for
onto
determined
be
47.11
kJ.
mol
,
0.172
K
3.29
respectively
20
°C.
Thermodynamic
investigation
that
is
spontaneous,
endothermic,
favorable
(0
<
<1,
0.017–0.313),
physisorption
E
DR
8
).
Compared
other
eluents,
nitric
acid
produced
desorption
percentage
(98.5%).
Colloids and Surfaces A Physicochemical and Engineering Aspects,
Journal Year:
2024,
Volume and Issue:
684, P. 133167 - 133167
Published: Jan. 8, 2024
The
increasing
demand
for
clean
water
requires
the
development
of
simple,
cheap,
and
efficient
catalysts
systems
pollution
remediation.
To
develop
cheap
yet
hybrid
advanced
oxidation
processes
degradation
organic
pollutants
in
their
systematic
comparison
under
similar
conditions
to
make
informed
decisions
economically
feasible
sustainable
systems.
Visible
light
active
single
BiOI
N,
Pd
co-doped
TiO2
were
investigated
photocatalytic
ozonation
(PCO)
methylene
blue
(MB)
degradation.
Metal
non-metal
co-doping
improved
morphology,
band
structure
sites
on
surface
shift
its
absorption
into
visible
region.
MB
with
PCO
N,Pd-TiO2
was
practically
but
showed
improvement
mineralization
efficiency.
However,
surpassed
that
due
influenced
generated
free
radicals
during
processes.
system
progressed
through
existence
involvement
strongly
oxidizing
non-selective
hydroxyl
towards
enhanced
dye
intermediates
while
steered
by
superoxide
radical
is
selective
had
lower
efficiency
formed
despite
high
initial
efficacy.
work
demonstrated
semiconductors
like
as
potential
candidates
application
real
applications
matching
activities
UV
TiO2.
This
advances
use
based
environmental
Nanoscale Advances,
Journal Year:
2024,
Volume and Issue:
6(7), P. 1932 - 1944
Published: Jan. 1, 2024
Inexpensive,
stable,
selective,
and
recyclable
nanocatalysts,
waste
regeneration,
utilization
of
safe
available
solvents
are
interest
important
factors
in
laboratory
science
industrial
applications
green
chemistry.
Therefore,
herein,
biochar
nanoparticles
(BNPs)
were
synthesized
through
chicken
manure
pyrolysis
as
a
novel
method
for
recycling.
Then,
order
to
improve
their
recyclability,
the
obtained
BNPs
magnetized
using
magnetic
nickel
nanoparticles.
surface
(BMNPs)
was
modified
by
(3-chloropropyl)trimethoxysilane
(3-CPTMS)
further
neodymium
Schiff-base
complex
immobilized
on
BMNPs,
denoted
Nd-Schiff-base@BMNPs.
The
supported
used
practical,
biocompatible,
commercial,
reusable
heterogeneous
nanocatalyst.
support
this
nanocatalyst
formed
from
manure;
therefore,
it
is
cheap,
economically
viable,
also
compatible
with
principles
Nd-Schiff-base@BMNPs
acts
selectively
organic
reactions
can
easily
be
recovered
an
external
magnet
reused,
which
This
characterized
wavelength-dispersive
X-ray
spectroscopy
(WDX),
scanning
electron
microscopy
(SEM),
energy-dispersive
(EDS),
thermogravimetric
analysis
(TGA),
Fourier
transform
infrared
(FT-IR),
inductively
coupled
plasma
(ICP),
N
Water,
Journal Year:
2025,
Volume and Issue:
17(5), P. 710 - 710
Published: Feb. 28, 2025
In
this
study,
a
millimeter-scale
N/P-doped
carbonaceous
catalyst
was
synthesized
via
facile
carbonization
of
the
resin
at
800
°C
(NPCR-800).
This
work
aimed
to
investigate
performance
NPCR-800
in
heterogeneous
catalytic
ozonation
and
mechanism
reactive
oxygen
species
(ROS)
generation.
The
achieved
highest
oxalic
acid
(OA)
degradation
efficiency
91%
within
40
min.
first-order
kinetics
OA
NPCR-800/O3
system
approximately
twelve
three
times
higher
than
that
O3
O3/GAC
system,
respectively.
addition
excellent
performance,
NPCR
also
exhibited
good
reusability
salt
tolerance.
dominant
ROS
were
identified
by
electronic
spin
response
free
radical
quantitative
experiments,
being
responsible
for
system.
effect
doped
N
P
elements
on
enhancing
activity
understood,
what
ascribed
efficient
reaction
molecule
with
active
site
graphitic
N,
defect
carbonyl/carboxyl
groups
generate
hydroxyl
singlet
oxygen.
A
type
metal-free
strategy
developed
work,
which
is
promising
practical
treatment
refractory
organic
pollutants.
