Hybrid adsorbents for pollutants removal: A comprehensive review of chitosan-glycidyl methacrylate composites
Journal of Molecular Liquids,
Journal Year:
2025,
Volume and Issue:
unknown, P. 127262 - 127262
Published: March 1, 2025
Language: Английский
Preparation of Am-MSN/PVDF Mixed Matrix Membranes for Enhanced Removal of Reactive Black 5
Jihao Zuo,
No information about this author
M. Lu,
No information about this author
Jinting Cai
No information about this author
et al.
Membranes,
Journal Year:
2025,
Volume and Issue:
15(2), P. 42 - 42
Published: Feb. 1, 2025
The
discharge
of
large
volumes
textile
dyeing
wastewater,
characterized
by
poor
biodegradability
and
high
toxicity,
poses
severe
threats
to
the
environment.
In
this
study,
polyvinylidene
difluoride
(PVDF)
membranes
were
prepared
using
nonsolvent-induced
phase
separation
(NIPS)
method,
with
porous
amino-functionalized
mesoporous
silica
nanoparticles
(Am-MSNs)
mixed
into
casting
solution
fabricate
Am-MSN/PVDF
matrix
membranes.
By
varying
amount
Am-MSNs
added,
microstructure
overall
performance
comprehensively
analyzed.
results
demonstrated
that
addition
significantly
enhanced
hydrophilicity
specific
surface
area
amino
groups
facilitated
interactions
dye
molecules,
such
as
Reactive
Black
5
(RB5),
through
hydrogen
bonding,
electrostatic
attraction,
physical
adsorption,
resulting
in
a
marked
improvement
RB5
rejection
rates.
Static
adsorption
tests
further
validated
superior
capacity
for
RB5.
Additionally,
nanoscale
structure
mechanical
strength
synergistic
effects
increased
efficiency
stability
removal
applications,
providing
an
effective
sustainable
treatment
dye-contaminated
wastewater.
Language: Английский
Multifunctional metal oxides synthesized via a solvo-hydrothermal process for photocatalytic degradation of organic dye and bacteria in wastewater
Chemical Physics Impact,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100856 - 100856
Published: Feb. 1, 2025
Language: Английский
Adsorption behavior and mechanism of aqueous organic contaminants on β-cyclodextrin polymer
Shuquan Lv,
No information about this author
Taolei Sun,
No information about this author
Jingli Zhang
No information about this author
et al.
Environmental Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 121435 - 121435
Published: March 1, 2025
Language: Английский
Facile Synthesis and Characterization of Novel Analcime/Sodium Magnesium Aluminum Silicon Silicate Nanocomposite for Efficient Removal of Methylene Blue Dye from Aqueous Media
Molecules,
Journal Year:
2025,
Volume and Issue:
30(7), P. 1488 - 1488
Published: March 27, 2025
Methylene
blue
dye,
commonly
used
in
various
industries,
poses
significant
risks
to
both
human
health
and
the
environment
due
its
persistence,
toxicity,
potential
disrupt
aquatic
ecosystems.
Exposure
can
cause
severe
conditions
such
as
methemoglobinemia,
while
stability
solubility
allow
it
persist
natural
water
systems,
reducing
oxygen
levels
harming
life.
In
this
study,
novel
analcime/sodium
magnesium
aluminum
silicon
silicate
nanocomposites
(Z1
Z2)
were
synthesized
via
a
controlled
hydrothermal
method,
where
Z1
Z2
absence
presence
of
polyethylene
glycol
template,
respectively.
X-ray
diffraction
(XRD)
analysis
confirmed
formation
crystalline
phases
analcime
sodium
silicate.
The
average
crystallite
size
nanocomposite
is
75.30
nm,
whereas
exhibits
smaller
60.27
nm
template
effect.
Field
emission
scanning
electron
microscopy
(FE-SEM)
revealed
that
exhibited
more
uniform
well-dispersed
particles
compared
Z1.
Energy-dispersive
spectroscopy
(EDX)
elemental
composition,
showing
higher
content
optimized
incorporation
Z2.
High-resolution
transmission
(HR-TEM)
demonstrated
had
well-defined
spherical
particles,
indicating
improved
structural
control.
maximum
adsorption
capacities
230.95
mg/g
for
290.69
process
was
exothermic,
spontaneous,
chemical
nature,
following
pseudo-second-order
kinetic
model
Langmuir
isotherm,
confirming
monolayer
on
homogeneous
surfaces.
Language: Английский
Facile Synthesis and Characterization of SrCO3/MgO/CaO/CaCO3 Novel Nanocomposite for Efficient Removal of Crystal Violet Dye from Aqueous Media
Inorganics,
Journal Year:
2025,
Volume and Issue:
13(4), P. 112 - 112
Published: April 3, 2025
Crystal
violet
dye
poses
significant
environmental
and
human
health
risks
due
to
its
toxicity,
persistence,
bioaccumulative
nature.
It
contributes
potential
carcinogenicity,
cytotoxicity,
systemic
toxicity
upon
exposure.
To
address
this
issue,
a
novel
SrCO3/MgO/CaO/CaCO3
nanocomposite
was
synthesized
using
the
Pechini
sol-gel
method,
producing
AE500
AE700
at
500
700
°C,
respectively,
for
efficient
removal
of
crystal
from
aqueous
media.
X-ray
diffraction
(XRD)
analysis
confirmed
formation
crystalline
phases,
with
average
crystallite
sizes
64.53
nm
75.34
AE700.
Energy-dispersive
spectroscopy
(EDX)
revealed
elemental
compositions
variations
in
carbon,
oxygen,
magnesium,
calcium,
strontium
percentages
influenced
by
synthesis
temperature.
Field-emission
scanning
electron
microscopy
(FE-SEM)
showed
morphological
differences,
where
had
irregular
polyhedral
structures,
while
exhibited
more
compact
spherical
formations,
grain
99.98
132.23
nm,
respectively.
High-resolution
transmission
(HR-TEM)
structural
integrity
nano-scale
morphology,
showing
aggregated
irregularly
shaped
particles
AE500,
displayed
well-defined
nearly
nanoparticles.
The
calculated
particle
diameters
were
21.67
41.19
AE700,
demonstrating
an
increase
size
Adsorption
studies
demonstrated
maximum
capacities
230.41
mg/g
189.39
adsorption
process
exothermic,
spontaneous,
physical,
following
pseudo-first-order
kinetic
model
Langmuir
isotherm,
indicating
monolayer
onto
homogenous
surface.
Language: Английский