Gels,
Journal Year:
2022,
Volume and Issue:
8(11), P. 702 - 702
Published: Oct. 30, 2022
Water
pollution
is
caused
by
multiple
factors,
such
as
industrial
dye
wastewater.
Dye-contaminated
water
can
be
treated
using
hydrogels
adsorbent
materials.
Recently,
composite
containing
metal
oxide
nanoparticles
(MONPs)
have
been
used
extensively
in
wastewater
remediation.
In
this
study,
we
use
a
statistical
and
artificial
intelligence
method,
based
on
principal
component
analysis
(PCA)
with
different
applied
parameters,
to
evaluate
the
adsorption
efficiency
of
27
MONP
for
treatment.
PCA
showed
that
hydrogel
composites
CTS@Fe3O4,
PAAm/TiO2,
PEGDMA-rGO/Fe3O4@cellulose
should
situations
involving
high
pH,
time
reach
equilibrium,
capacity.
However,
PAAm-co-AAc/TiO2,
PVPA/Fe3O4@SiO2,
PMOA/ATP/Fe3O4,
are
preferred
when
all
physical
chemical
properties
investigated
low
magnitudes.
To
conclude,
strong
method
highlighting
essential
factors
affecting
selection
dye-contaminated
Antioxidants,
Journal Year:
2023,
Volume and Issue:
12(6), P. 1298 - 1298
Published: June 18, 2023
While
various
methods
exist
for
synthesizing
silver
nanoparticles
(AgNPs),
green
synthesis
has
emerged
as
a
promising
approach
due
to
its
affordability,
sustainability,
and
suitability
biomedical
purposes.
However,
is
time-consuming,
necessitating
the
development
of
efficient
cost-effective
techniques
minimize
reaction
time.
Consequently,
researchers
have
turned
their
attention
photo-driven
processes.
In
this
study,
we
present
photoinduced
bioreduction
nitrate
(AgNO3)
AgNPs
using
an
aqueous
extract
Ulva
lactuca,
edible
seaweed.
The
phytochemicals
found
in
seaweed
functioned
both
reducing
capping
agents,
while
light
served
catalyst
biosynthesis.
We
explored
effects
different
intensities
wavelengths,
initial
pH
mixture,
exposure
time
on
biosynthesis
AgNPs.
Confirmation
AgNP
formation
was
achieved
through
observation
surface
plasmon
resonance
band
at
428
nm
ultraviolet-visible
(UV-vis)
spectrophotometer.
Fourier
transform
infrared
spectroscopy
(FTIR)
revealed
presence
algae-derived
bound
outer
synthesized
Additionally,
high-resolution
transmission
electron
microscopy
(HRTEM)
atomic
force
(AFM)
images
demonstrated
that
NPs
possessed
nearly
spherical
shape,
ranging
size
from
5
40
nm.
crystalline
nature
confirmed
by
selected
area
diffraction
(SAED)
X-ray
(XRD),
with
Bragg's
pattern
revealing
peaks
2θ
=
38°,
44°,
64°,
77°,
corresponding
planes
111,
200,
220,
311
face-centered
cubic
crystal
lattice
metallic
silver.
Energy-dispersive
(EDX)
results
exhibited
prominent
peak
3
keV,
indicating
Ag
elemental
configuration.
highly
negative
zeta
potential
values
provided
further
confirmation
stability
Moreover,
reduction
kinetics
observed
via
UV-vis
spectrophotometry
superior
photocatalytic
activity
degradation
hazardous
pollutant
dyes,
such
rhodamine
B,
methylene
orange,
Congo
red,
acridine
Coomassie
brilliant
blue
G-250.
our
biosynthesized
hold
great
redox
applications.
Coatings,
Journal Year:
2022,
Volume and Issue:
12(9), P. 1348 - 1348
Published: Sept. 16, 2022
Today,
the
building
and
construction
sector
demands
environmentally
friendly
sustainable
protective
coatings
using
inorganic
coating
materials
for
safe,
non-hazardous,
great
performance.
Many
researchers
have
been
working
on
solutions
to
protect
concrete
metal
infrastructures
against
corrosion
surface
deterioration
with
intention
of
introducing
green
alternatives
conventional
coatings.
This
article
presents
a
review
developments
geopolymer
pastes
doped
different
types
photocatalyst
precursors
including
factors
affecting
properties
enhancing
photocatalytic
Photodegradation
has
potential
resolving
harmless
substances
removing
pollutants
when
energized
ultraviolet
(UV)
light.
Although
is
potentially
new
material
properties,
there
less
research
focusing
development
this
coating.
study
demonstrated
that
binders
are
ideal
precursor
support
synthesis
materials,
significant
optimizing
their
distinctive
properties.
Chemical Physics Impact,
Journal Year:
2023,
Volume and Issue:
6, P. 100169 - 100169
Published: Feb. 3, 2023
The
presence
and
persistence
of
hazardous
contaminants
including
heavy
metals
pharmaceutical
compound
in
water
have
become
a
matter
great
concern
worldwide
due
to
their
negative
impacts
on
the
natural
ecosystem
human
health.
Very
few
studies
been
reported
check
efficiency
nanosorbent
for
simultaneous
removal
both
i.e.,
compounds.
Here,
we
attempted
achieve
Cr(VI)
DFS
by
developing
suitable
adsorbent.
In
this
study,
iron
oxide/activated
carbon
(IAC)
magnetic
nanocomposite
was
used
as
decontamination
chromium
(VI)
diclofenac
sodium
(DFS)
from
aqueous
solution
over
certain
range
experimental
parameters.
Activated
synthesized
using
green
microalgae
Chlamydomonas
sp.,
while
make
sustainable
novel
nanosorbent,
oxide
nanorods
were
embedded
matrix
activated
carbon.
composition
structure
nanosorbents
characterized
scanning
electron
microscopy
(SEM),
energy
dispersive
X-ray
(EXD)
spectroscopy,
Brunner-Emmett-Teller
(BET),
diffraction
(XRD),
photoelectron
spectroscopy
(XPS).
batch
adsorption
conducted
IAC
sorbent.
maximum
95.2
82.1%
DFS,
respectively
achieved
less
than
4
h
initial
concentrations
10
mgL−1.
much
higher
at
acidic
pH
alkaline
range.
equilibrium
data
ions
fitted
well
with
pseudo-second
order
kinetics,
Langmuir
isotherm
model,
Elovich
intraparticle
diffusion
model.
5
cycles
regeneration
reuse
showed
that
sorption
capacity
individually
decreased
6.6
8.2%
compared
original
adsorption.
Also,
excellent
properties
enabled
via
application
significantly
ease
separation
spent
adsorbents.
