RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(32), P. 22867 - 22876
Published: Jan. 1, 2024
Improper
disposal
of
pharmaceutical
drugs
is
increasing
the
pollution
level
water
reservoirs
which
in
turn
adversely
impacts
ecosystem.
The
current
study
presents
an
electrochemical
scaffold
that
comprises
a
glassy
carbon
electrode
modified
with
amino-functionalized
multiwalled
nanotubes
(NH2-fMWCNTs)
for
detection
drug
rifaximin
wastewater.
Electrochemical
impedance
spectroscopic
characterization
revealed
efficient
charge
transport
through
surface.
Square
wave
voltammetry
was
employed
probing
electro-oxidation
antibiotic
rifaximin.
Under
optimized
experimental
conditions,
designed
sensor
demonstrated
qualities
sensitivity,
repeatability,
and
reproducibility
as
required
practical
applicability
sensing
device.
After
contaminant,
its
removal
from
imperative.
In
this
regard
adsorption
method
using
ZnO
nanoparticles
adsorbents
developed
led
to
At
lower
adsorbate
concentration,
found
occur
according
Langmuir
model
while
at
higher
concentration
data
followed
Freundlich
model.
rate
over
pseudo-second-order
kinetics.
Water,
Journal Year:
2024,
Volume and Issue:
16(11), P. 1588 - 1588
Published: June 1, 2024
Photocatalytic
degradation
technology
has
received
much
attention
from
researchers
in
the
last
few
decades,
due
to
its
easy
and
cost-effective
nature.
A
lot
of
review
articles
have
been
published
on
dyes
via
photocatalytic
degradation,
but
most
lack
a
detailed
in-depth
mechanism
dyes.
Numerous
are
available
photocatalysis.
Here,
this
article,
we
mainly
focused
complete
four
commonly
used
such
as
Malachite
Green,
Methylene
Blue,
Congo
Red
Rhodamine
B,
which
will
be
highly
useful
for
new
that
work
dyes’
degradation.
Initially,
various
aspects
included
comprehensively.
The
main
focus
was
covalent
organic
framework-based
photocatalysts
their
porous
nature
unique
properties.
Various
synthesis
routes
performance
frameworks
composite
highlighted
article.
In
section
stimulus
mentioned
properties,
uses,
toxicity,
through
paths
into
environmentally
friendly
less-harmful
compounds
presence
photocatalysts.
Factors
effecting
economic
cost,
challenges
future
were
also
This
article
those
search
complex
dye
molecules.
Discover Materials,
Journal Year:
2024,
Volume and Issue:
4(1)
Published: May 29, 2024
Abstract
This
comprehensive
review
extensively
explores
the
potential
applications
of
MXenes
as
versatile
materials
in
realm
photocatalysis,
with
a
specific
focus
on
their
efficacy
mitigating
hazardous
dyes
and
CO
2
to
less
harmful
friendly
by-products.
The
systematically
investigates
unique
properties
that
render
well-suited
for
photocatalytic
purposes
provides
thorough
examination
current
state
research.
It
meticulously
summarizes
successes
breakthroughs
achieved
thus
far,
offering
insights
into
advancements
have
propelled
these
spotlight
In
addition
highlighting
achievements,
critically
addresses
challenges
hurdles
impede
full
realization
inherent
MXenes.
Here,
we
also
highlighted
stability
problem
how
overcome
this
efficient
photocatalysis.
mechanism
photocatalysis
was
main
theme
article
recombination
photogenerated
charges.
By
identifying
challenges,
serves
valuable
resource
researchers,
providing
roadmap
future
endeavours
unlock
untapped
capabilities
materials.
beacon
environmental
pivotal
role
can
play
creating
more
environmentally
safe
world.
Ultimately,
contributes
significantly
collective
knowledge
base
will
prove
instrumental
researchers
professionals
dedicated
protection
sustainable
living.
Graphical
Separations,
Journal Year:
2025,
Volume and Issue:
12(1), P. 16 - 16
Published: Jan. 17, 2025
The
use
of
low-cost
biowaste
adsorbents
for
the
removal
toxic
metal
ions
from
aqueous
solutions
offers
significant
environmental
benefits.
This
research
evaluated
adsorption
and
recovery
Cd2+
Pb2+
in
batch
column
modes
with
luffa
peels
chamomile
flowers.
biosorbents
were
treated
0.4
M
nitric
acid
or
NaOH
base.
An
FTIR
analysis
sorbents
indicated
that
surface
OH,
C=O,
CO
COO
groups
played
a
role
process.
L-type
isotherms
obtained
Pb2+,
fitting
both
Langmuir
Freundlich
models,
maximum
capacities
34.0
mg/g
49.5
Adsorption
ion
fit
better
model
smaller
capacity
than
Pb2+.
Base-treated
have
higher
capacity.
kinetic
are
fast
followed
pseudo-second
order
chemosorption
model.
Fixed-bed
dynamic
Thomas
32.9
25.8
Cd2+.
efficiency
was
87
to
90%
over
three
adsorption–regeneration
cycles.
Green Processing and Synthesis,
Journal Year:
2025,
Volume and Issue:
14(1)
Published: Jan. 1, 2025
Abstract
Potentially
toxic
elements
like
Cr
+6
and
Ni
+2
cause
severe
health
hazards.
Therefore,
the
current
work
was
aimed
at
cleaning
water
using
Prosopis
glandulosa
raw
sawdust
(SD)
its
derived
biochar
(AC).
Both
adsorbents
were
characterized
via
SEM,
FTIR
spectroscopy,
EDX,
TGA
applied
for
effective
removal
of
Ni(
ii
)
Cr(
vi
optimum
values
experimental
conditions,
mechanism
assessed
adsorption
isotherm
kinetic
models.
The
correlation
coefficient
R
2
confirmed
pseudo-second-order
kinetics
preferred
Freundlich
model.
Maximum
iv
obtained
a
pH
4.0,
bio-sorbent
concentration
0.8
g·L
−1
,
temperature
50°C
50
min
with
metal
110
ppm,
while
maximum
contact
time
70
130
ppm
in
above-mentioned
conditions.
results
isotherms
model
revealed
that
processes
involved
multilayer
formation
on
biosorbent’s
heterogeneous
surface.
Also,
their
thermodynamic
investigation
showed
process
is
spontaneous
exothermic
and,
therefore,
can
be
effectively
utilized
to
remove
from
water.
