Minerals,
Год журнала:
2024,
Номер
14(12), С. 1216 - 1216
Опубликована: Ноя. 28, 2024
This
review
explores
the
removal
of
textile
dyes
from
wastewater
using
advanced
polymer/clay
composites.
It
provides
an
in-depth
analysis
chemical
and
physical
properties
these
composites,
emphasizing
how
combination
polymers
clays
creates
a
synergistic
effect
that
significantly
improves
efficiency
dye
removal.
The
structural
versatility
derived
interaction
between
layered
clay
sheets
flexible
polymer
matrices,
is
detailed,
showcasing
their
enhanced
adsorption
capacity
catalytic
for
treatment.
outlines
key
functional
groups
present
in
both
clays,
which
are
crucial
binding
degrading
wide
range
dyes,
including
acidic,
basic,
reactive
dyes.
role
specific
interactions,
such
as
hydrogen
bonding,
ion
exchange,
electrostatic
attractions
molecules
composite
surface,
highlighted.
Moreover,
selection
criteria
different
types
montmorillonite,
kaolinite,
bentonite
modifications
examined
to
demonstrate
surface
can
further
improve
performance
materials.
Various
synthesis
methods
creating
situ
polymerization,
solution
intercalation,
melt
blending,
discussed.
These
fabrication
techniques
evaluated
ability
control
particle
dispersion,
optimize
interfacial
enhance
mechanical
stability
Furthermore,
introduces
characterization
techniques,
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
Fourier-transform
infrared
spectroscopy
(FTIR),
thermogravimetric
(TGA),
help
researchers
assess
morphological,
structural,
thermal
aligning
features
with
potential
application
Additionally,
delves
into
primary
mechanisms
involved
process,
adsorption,
photocatalytic
degradation,
reduction.
also
overview
kinetic
thermodynamic
models
commonly
used
describe
processes
environmental
operational
factors
influencing
removal,
pH,
temperature,
dosage,
analyzed
detail,
offering
practical
insights
optimizing
under
various
conditions.
In
conclusion,
this
not
only
highlights
promising
composites
but
identifies
current
challenges
future
research
directions.
underscores
importance
developing
eco-friendly,
cost-effective,
scalable
solutions
address
growing
concerns
related
water
pollution
sustainability
management.
Inorganics,
Год журнала:
2024,
Номер
12(6), С. 143 - 143
Опубликована: Май 22, 2024
This
work
studies
the
synthesis,
characterization,
and
application
of
CuFe2O4
nanoparticles
for
removal
acid
blue
113
malachite
green
dyes
from
aqueous
media.
Utilizing
combustion
procedure,
were
synthesized
using
two
different
fuels:
L-alanine
(CFA)
L-valine
(CFV).
Besides,
characterized
through
some
tools,
including
Fourier
transform
infrared
(FTIR),
X-ray
diffraction
(XRD),
energy-dispersive
(EDX),
field
emission
scanning
electron
microscope
(FE-SEM).
XRD
analysis
verified
creation
a
cubic
spinel
structure
without
any
contaminants,
revealing
average
crystallite
sizes
26.37
17.65
nm
CFA
CFV
samples,
respectively.
The
FTIR
spectra
exhibited
peaks
indicative
metal-oxygen
bond
stretching,
verifying
presence
formation.
Elemental
via
EDX
confirmed
stoichiometric
composition
typical
copper
ferrite.
In
addition,
FE-SEM
displayed
that
samples
are
composed
particles
with
spherical
irregular
shapes,
measuring
diameters
188.35
132.78
nm,
maximum
adsorption
capabilities
towards
281.69
297.62
mg/g,
Also,
products
dye
280.11
294.99
Kinetic
equilibrium
revealed
process
onto
followed
pseudo-second-order
model
Langmuir
isotherm.
Thermodynamic
indicated
was
physical,
spontaneous,
exothermic.
Polymers,
Год журнала:
2025,
Номер
17(5), С. 559 - 559
Опубликована: Фев. 20, 2025
The
search
for
sustainable
and
efficient
remediation
techniques
is
required
to
control
increasing
environmental
pollution
caused
by
synthetic
dyes,
heavy
metal
ions,
other
harmful
pollutants.
From
this
point
of
view,
natural
polymers
like
chitosan,
cellulose,
lignin,
pectin
have
been
found
highly
promising
due
their
biodegradability,
availability,
possibility
chemical
functionalization.
Natural
possess
inherent
adsorption
properties
that
can
be
further
enhanced
cross-linking
surface
activation.
This
review
discusses
the
main
properties,
mechanisms,
functional
groups
such
as
hydroxyl,
carboxyl,
amino
responsible
pollutant
sequestration.
paper
also
emphasizes
effectiveness
in
removing
metals
dyes
from
wastewater
recent
advances
polymer
modifications,
including
ionic
crosslinking
grafting.
study
underlines
ecological
potential
polymer-based
adsorbents
treatment
protection
environment
a
solution
challenges.
Water Practice & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 13, 2025
ABSTRACT
This
study
describes
the
preparation
of
clay/polymer
composites
using
Bijoypur
clay
(kaolinite)
and
copolymer
poly(hydroxyethylacrylamide-co-3-methacryloxypropyltrimethoxysilane)
(poly(HEAA-co-MAPTS))
for
removal
organic
dyes
from
industrial
wastewater.
The
was
prepared
by
free-radical
polymerization
hydroxyethylacrylamide
(HEAA)
3-methacryloxypropyltrimethoxysilane
(MAPTS).
activated
purified
followed
modification
with
dodecylamine.
FT-IR
analysis
confirmed
successful
incorporation
polymer
organoclay
in
composites.
TG
showed
that
composite
exhibited
better
thermal
properties
increasing
percentage.
X-ray
diffraction
revealed
crystalline
size
increased
23.79
to
60.43
nm
percentage
(1–4%)
polymer.
SEM
higher
uniform
porous
structure.
Adsorption
carried
out
methylene
blue
(MB)
acid
black-172
(AB)
dyes.
concentration
adsorption
capacity
both
MB
(5.288
mg/g)
AB
(6.696
aqueous
solution,
at
initial
25
ppm,
50
mg
dose,
pH
10.1
4
AB.
developed
capability
cationic
anionic
which
gives
a
scope
their
universal
application
dye
