Polymers for Advanced Technologies,
Journal Year:
2024,
Volume and Issue:
35(11)
Published: Nov. 1, 2024
ABSTRACT
The
rapid
growth
in
textile
industries
has
led
to
a
significant
discharge
of
dyed
water
into
sources,
posing
severe
threats
human
and
environmental
health.
Methylene
blue
(MB),
crucial
for
medical
diagnostics
dyeing,
requires
effective
removal
due
its
toxicological
hazards,
persisting
above
1
ppm
aqueous
solutions
at
ambient
temperatures.
Reclaiming
cellulose
acetate
not
only
heralds
sustainable
approach
reclamation
but
also
amalgamates
natural
purification
with
technological
advancements.
study
utilized
reclaimed
fabricate
electrospun
nanofibers
bead
adsorbents
using
Ti
3
C
2
T
x
surface‐modified
via
liquid‐state
microwaving.
research
investigated
surface
chemistry,
morphology,
the
impact
adsorption
conditions
on
MB
adsorption,
revealing
enhanced
uptake
capacities
from
45%
93%
40%–80%
beads
25°C
after
h,
respectively.
Adsorption
followed
PSO
kinetics
Langmuir
isotherms,
thermodynamic
analysis
indicating
an
endothermic,
spontaneous
physisorption
process
Δ
H
S
values
obtained
0.008–31.33
kJ·mol
−1
11.95–116.38
J·mol
·K
.
Furthermore,
CA‐surface‐modified
composite
demonstrated
photocatalytic
activity,
achieving
96%
degradation
efficiency
compared
alone.
biodegradation
assay
under
in‐house
slurry
showed
20%–58%
spent
over
120
days.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(5), P. 2709 - 2724
Published: Jan. 22, 2024
A
potential
adsorbent,
Sb4O5Cl2@NbSe2
composite,
was
generated
from
the
Sb4O5Cl2
photocatalyst
and
5
wt
%
layered
2H-NbSe2
nanoparticles
for
highly
effective
removal
of
Cr(VI)
Fe(III)
ions
methyl
orange
(MO)
aqueous
solution,
a
comparison
drawn
against
precursors.
crystallites
NbSe2
were
synthesized
hydrothermally,
composite
prepared
by
incipient
wetness
impregnation
technique.
The
crystal
structure
determined
single-crystal
X-ray
diffraction
(SCXRD)
data.
Powder
(PXRD)
study
revealed
2H
phase
nanoparticles.
Field
emission
scanning
electron
microscopy
(FESEM)
analysis
confirmed
formation
spherical-shaped
rod-shaped
bulk
2H-NbSe2.
Morphological
changes
hexagonal
to
irregular
prismatic
shape
found
upon
compared
pure
Sb4O5Cl2.
Negative
ζ-potential
values
indicated
that
electrostatic
interactions
predominant
factor
adsorption
process.
provided
efficiencies
99%
MO
in
6
h,
96.52%
within
2.5
92.43%
4
h
10
mg/L
initial
concentration.
maximum
capacities
MO,
Fe(III),
be
66.56,
131.48,
122.30
mg/g,
respectively,
as
calculated
using
Langmuir
isotherm
equation.
Resources Chemicals and Materials,
Journal Year:
2023,
Volume and Issue:
2(3), P. 231 - 244
Published: May 12, 2023
The
removal
and
enrichment
of
pollutants
in
industrial
wastewater
using
efficient
adsorption
processes
have
been
a
hot
scientific
topic
the
field
environmental
chemistry
green
chemistry.
Compared
with
progress
design,
synthesis,
performance
polyethyleneimine-modified
adsorbent
materials
at
home
abroad,
there
are
few
reviews
on
how
to
modify
polyethyleneimine
(PEI)
through
functional
group
reactions.
Therefore,
this
review
attempts
provide
systematic
PEI
can
prepare
by
reaction
mechanism
inorganic
metal
ions,
phosphates,
dyes
PEI.
On
basis,
future
research
directions
prepared
prospects.
