Discover Chemistry.,
Journal Year:
2024,
Volume and Issue:
1(1)
Published: Nov. 4, 2024
This
study
investigates
cellulose-based
adsorbents
that
are
naturally
occurring
and
have
a
unique,
abundant
supply
for
adsorbing
organic
dye.
The
effectiveness
of
chemically
modified
banana
leaf
powder
(CMBLP)
as
biodegradable
environmentally
friendly
adsorbent
extracting
methyl
blue
(MB)
dye
from
aqueous
solutions
was
studied.
Point-zero
charge
(pHpzc)
analysis,
scanning
electron
microscopy
(SEM),
X-ray
energy
dispersion
(EDS),
Fourier
transform
infrared
spectroscopy
(FTIR)
were
used
to
characterize
the
CMBLP.
At
pH
6.0,
100
mg/L
dye,
50
min
contact
time,
300
K
temperature,
maximum
removal
values
obtained.
Under
ideal
circumstances,
CMBLP
displays
77.13215%
rate.
Langmuir
Freundlich
models,
along
with
pseudo-first-
pseudo-second-order
kinetics
equations,
investigate
equilibrium
isotherm
acquired
experimental
data
fit
(R2
=
0.9986
0.9984)
0.9996)
better.
Utilizing
model,
adsorption
capacity
(qmax)
has
been
identified
be
118.24
mg/g.
temperature
K,
also
able
adsorb
amount
(MB).
thermal
properties
validate
spontaneous
exothermic
nature
process.
majority
statistical
artificial
intelligence-based
model
(like
KNN,
SVM,
ANN
LSTM)
superiority
MB
onto
support
our
findings.
Environmental Advances,
Journal Year:
2024,
Volume and Issue:
17, P. 100575 - 100575
Published: Aug. 9, 2024
The
use
of
nanoparticles
for
to
remove
organic
pollutants
and
heavy
metals
is
a
rapidly
expanding
field
in
environmental
sciences.
However,
process
optimization
practical,
real-world
applications
still
underexplored.
In
this
work,
copper
sulfide
prepared
from
single-source
precursor
were
characterized
using
SEM,
TEM,
EDX,
FTIR,
UV-visible
spectroscopy.
demonstrated
high
photocatalytic
degradation
efficiency
trypan
blue
(TB)
brilliant
green
(BG)
dyes.
as-prepared
efficiently
removed
lead(II)
(Pb2+)
chromium(VI)
(Cr6+)
ions.
Response
surface
methodology
(RSM)
with
Box-Behnken
design
(BBD)
was
employed
optimize
reaction
time,
pH,
nanoparticle
dosage.
optimal
conditions
TB
pH
10.91,
77.46
minutes,
4.999
g/L,
while
BG,
they
3,
70
5
g/L.
For
Pb2+
removal,
7.06,
100.38
0.94
Cr6+
3.03,
168.20
0.98
Under
these
conditions,
CuS
achieved
up
99.35%
TB,
100%
removal
Pb2+,
98.54%
Cr6+.
ANOVA
confirmed
the
models'
significance,
regression
coefficients
(R²:
0.9852
0.9846
0.9980
0.9901
Cr6+).
photocatalyst
remained
stable
over
three
reuse
cycles,
minimal
reduction
(8.88%
19.01%
BG).
This
study
demonstrates
effectiveness
remediation
highlights
practicality
RSM
as
efficient
materials
dyes
metal-laden
wastewater.
ACS ES&T Water,
Journal Year:
2024,
Volume and Issue:
4(9), P. 4129 - 4139
Published: Aug. 1, 2024
The
contamination
of
natural
water
bodies
with
dyes
and
other
refractory
compounds
is
a
menacing
issue
in
developing
nations.
Despite
stringent
laws,
industrial
effluent
not
managed
efficiently,
as
it
incurs
additional
cost.
Hence,
the
present
research
focuses
on
sustainable
mitigation
contaminants
using
self-driven
bioelectro-Fenton
(BEF)
system.
iron-activated
charcoal
(Gt-Fe/AC)
cathode-cum-Fenton
catalyst
used
this
investigation
was
synthesized
waste
green
tea
extract
biogenic
agent.
catalyst-driven
BEF
system
(Gt-Fe/AC-MFC)
achieved
maximum
power
density
111.7
±
3.1
mW/m2
operating
voltage
108
3
mV,
while
parallelly
degrading
20
mg/L
Coomassie
Brilliant
Blue
(CBB)
dye
almost
entirely
300
min
at
neutral
pH.
Additionally,
high
removal
Congo
red
(96.8
1.2%)
methylparaben
(90.9
0.6%)
attained
under
similar
conditions.
Moreover,
Fe-AC-catalyzed
performed
fairly
well
treating
spiked
real
wastewater
exhibited
remarkable
stability,
only
3%
decrease
CBB
efficiency
after
10
continuous
cycles
0.11%
drop
cathodic
current
per
cycle.
can
be
oxidative
technology
to
tackle
resource-constricted
regions.
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(6), P. 4203 - 4219
Published: Jan. 1, 2025
This
study
introduces
the
environmentally
friendly
synthesis
of
Ag
2
O,
TiO
,
and
Ni-doped
SnO
nanoparticles
their
application
in
detecting
removing
bromothymol
blue
dye
from
wastewater.
ACS Omega,
Journal Year:
2025,
Volume and Issue:
10(16), P. 16006 - 16014
Published: April 17, 2025
This
study
reports
on
the
synthesis,
characterization,
and
application
of
sodium-lanthanum
molybdate
[NaLa(MoO4)2]
as
a
photocatalyst
in
degradation
process
Coomassie
Brilliant
Blue
G-250
(CBB-250),
an
environmentally
toxic
recalcitrant
dye
derived
from
triphenylmethane.
The
highlighted
ceramic
material
was
produced
by
coprecipitation,
its
properties
were
studied
using
range
physicochemical
techniques
including
compositional,
crystallographic,
morphological
analyses.
Among
most
relevant
information,
X-ray
diffraction
(XRD),
Raman
spectroscopy,
Fourier
transform
infrared
(FTIR)
spectroscopy
confirmed
formation
NaLa
(MoO4)2
crystals
with
tetragonal
arrangement.
Additionally,
scanning
electron
microscope
(SEM)
images
provide
evidence
production
overlapping
plate-like
microstructures.
nitrogen
adsorption
isotherms
demonstrated
that
obtained
exhibits
mesoporous
organization,
surface
area
pore
diameter
equivalent
to
45.7
m2
g-1
6.54
nm,
respectively.
Photocatalytic
tests,
performed
under
ultraviolet
light
irradiation
for
120
min,
indicated
NaLa(MoO4)2
has
high
oxidative
reactivity,
achieving
>95%
CBB-250
present
system.
reaction
velocity
constants,
estimated
accordance
Langmuir-Hinshelwood
equation,
substantiate
enhances
kinetics
(13.7
×
10-3
min-1)
throughout
photochemical
treatment.
In
growing
scientific
interest
effective
strategies
removal
emerging
pollutants
contamination
matrices,
represents
promising
avenue
development
innovative
technologies
this
field.
ACS Omega,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 23, 2025
There
is
increasing
apprehension
regarding
the
harmful
impacts
of
synthetic
drugs,
particularly
antipsychotic
levosulpiride.
Consequently,
it
both
an
environmental
and
a
social
responsibility
to
create
effective
sensors
materials
for
early
detection
removal
this
drug
before
consumption
contaminated
water.
The
goal
achieved
by
development
highly
sensitive
selective
sensing
platform,
while
objective
polyacrylamide
hydrogel.
present
study
introduces
novel
combination
advanced
green
chemistry
concepts
electrode
modifier
(functionalized
MWCNTs)
adsorbent
(polyacrylamide
hydrogel).
Unlike
conventional
methods,
where
molecules
slowly
diffuse
surface,
our
technique
sensor
preparation
directly
immobilizes
these
on
electrode,
leading
robust
electrochemical
signals
establishing
platform
with
significantly
reduced
limit
(0.7
nM).
Furthermore,
traditional
adsorption
processes
may
take
hours
or
even
days,
unique
levosulpiride
demonstrates
in
just
45
min,
as
confirmed
experimental
findings.
Results
revealed
that
occurred
accordance
Langmuir
model,
kinetics
adhered
pseudo-second
order
kinetics.
Thermodynamic
parameters
such
negative
ΔG
positive
ΔS
spontaneous
nature
entropy-driven
process
adsorption.