Scientific Reports,
Journal Year:
2022,
Volume and Issue:
12(1)
Published: Sept. 15, 2022
Abstract
The
jeopardy
of
the
synthetic
dyes
effluents
on
human
health
and
environment
has
swiftly
aggravated,
threatening
survival.
Hence,
sustained
studies
have
figured
out
most
acceptable
way
to
eliminate
this
poisonous
contaminant.
Thereby,
our
investigation
aimed
fabricate
montmorillonite/magnetic
NiFe
2
O
4
@amine-functionalized
chitosan
(MMT-mAmCs)
composite
as
a
promising
green
adsorbent
remove
cationic
methylene
blue
(MB)
crystal
violet
(CV)
from
wastewater
in
neutral
conditions.
Interestingly,
MMT-mAmCs
carries
high
negative
charges
at
wide
pH
range
11
clarified
zeta
potential
measurements,
asserting
its
suitability
adsorb
contaminants.
In
addition,
experimental
study
confirmed
that
optimum
both
MB
CV
was
7,
inferring
ability
simple
process
Furthermore,
ferromagnetic
behavior
is
additional
merit
provides
facile,
fast,
flawless
separation.
Notably,
as-fabricated
revealed
an
auspicious
adsorbability
towards
adsorptive
removal
CV,
since
maximum
adsorption
capacity
were
137
118
mg/g,
respectively.
Moreover,
isotherm
kinetic
investigatins
depicted
fitted
Langmuir
Pseudo
2nd
order
models,
Besides,
advanced
preserved
satisfactory
characteristics
with
maximal
efficacy
exceeding
87%
after
reuse
for
ten
consecutive
cycles.
More
importantly,
efficiently
adsorbed
real
agricultural
water,
Nile
river
water
samples
medium,
reflecting
potentiality
be
superb
reusable
candidate
pollutants
their
aquatic
media.
Arabian Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
16(6), P. 104749 - 104749
Published: March 6, 2023
The
release
of
dyes
into
normal
water
reservoirs
has
become
a
tremendous
environmental
problem
and
the
development
methods
to
remove
such
is
essential.
A
novel
photocatalyst
was
fabricated
in
which
Cu
doped
TiO2
coupled
with
g-C3N4
(Cu-TiO2/g-C3N4)
different
weight
percentages
as
10,
30
50%,
hydrothermally.
Pure
consisted
both
Anatase
Rutile
phases
where
slight
lattice
distortions
were
observed
Cu-doped
evidenced
by
XRD
Raman
analysis.
present
at
1.7%
respective
according
XRF
Spherical
irregularly
shaped
aggregated
nanoparticles
range
15–55
nm
heterogeneously
distributed
on
matrix
TEM
SEM.
band
gap
(3.0
eV)
reduced
2.67
upon
doping
Cu.
found
be
2.81
eV
that
Cu-TiO2/g-C3N4
2.82
2.88
eV.
Synthesized
photocatalysts
tested
ability
degrade
methylene
blue
under
UV
Visible
light.
Cu-TiO2/50%
showed
highest
rate
constant
(4.4
×
10-3
min−1)
5
9.8
times
greater
than
g-C3N4,
respectively.
decreased
introduction
EDTA
Isopropyl
alcohol
they
scavenge
holes
hydroxyl
radicals,
photocatalytic
activity
all
nanomaterials
increased
increasing
concentration
persulfate
due
SO4●-
OH●
produced.
effectively
adsorb
dark
conditions
following
pseudo-second-order
kinetics
suggesting
molecules
chemisorbed
adsorbents.
adsorption
resulting
best-performing
0.122
g
mg−1
min−1.
Hence,
it
evident
can
blue.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(10), P. 12069 - 12083
Published: Feb. 28, 2024
This
study
used
an
organophoto-oxidative
material
to
degrade
the
toxic
azo
dye,
methylene
blue
(MB),
due
its
hazardous
effects
on
aquatic
life
and
humans.
MB
is
traditionally
degraded
using
metal-based
catalysts,
resulting
in
high
costs.
Several
organic
acids
were
screened
for
organo-photooxidative
applications
against
various
dyes,
ascorbic
acid
(AA),
also
known
as
vitamin
C,
was
found
be
best
degradation
photooxidative
activity.
It
eco-friendly,
edible,
efficient
material.
A
photocatalytic
box
has
been
developed
of
that
when
AA
added,
efficiency
increased
from
42
95%
within
240
min.
Different
characterization
techniques,
such
HPLC
GC-MS,
after
structural
elucidation
products.
DFT
done
investigation
mechanistic
behind
process.
statistical
tool,
RSM,
optimization
parameters
(concentration
catalyst,
time).
develops
sustainable
effective
solutions
wastewater
treatment.
