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.
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(7), P. 3107 - 3107
Published: April 1, 2025
The
inadequate
collection
and
treatment
of
urban
wastewater
continue
to
pollute
built
environments,
threaten
public
health,
contribute
epidemic
outbreaks
in
many
densely
populated,
underdeveloped
regions.
This
study
investigates
whether
algae-based
offers
an
optimal
efficient
solution
for
drought-prone
cities.
Given
recent
global
challenges,
such
as
the
COVID-19
pandemic,
nature-based
methods—particularly
systems—have
regained
attention
due
their
feasibility,
cost-effectiveness,
sustainability.
Algae-based
presents
innovative
approach
sustainable
development,
offering
environmental,
resource-efficient,
energy-saving,
biodiversity
benefits
while
supporting
circular
economy
principles.
evaluates
advancements
technologies
applies
a
case
methodology
Zahedan
City,
analyzing
sewage
canal
networks,
composition,
feasibility.
Three
techniques
were
assessed,
with
waste
stabilization
ponds
(WSPs)
identified
most
suitable
based
on
technical,
economic,
environmental
indicators.
Key
factors
climate
conditions,
land-use
policies,
cost-effectiveness
incorporated
into
comparative
analysis,
enhancing
scientific
rigor
this
compared
prior
research.
findings
provide
actionable
insights
planners,
engineers,
policymakers
address
simultaneous
challenges
management,
water
scarcity.
Clean Technologies,
Journal Year:
2025,
Volume and Issue:
7(2), P. 30 - 30
Published: April 5, 2025
The
ammonia
adsorption
capacity
of
lignin-rich
biomass
solids
was
tested
for
the
first
time
at
low
partial
pressures
(<1.5
kPa)
and
20
°C.
samples
included
untreated
tree
barks,
husks,
peats,
as
well
biochars
produced
by
their
slow
pyrolysis.
Proximate
ultimate
analyses,
lignin
content,
metal
content
are
also
presented.
biosolids
had
higher
VM/FC
ratios,
molar
H/C,
O/C
than
treated
(biochars
biochars).
A
novel
methodology
is
described
safe
generation
gaseous
predictable
from
tabletop-scale
batch
reaction
experiments
NaOH
with
(NH4)2SO4
in
aqueous
solution,
leading
to
determination
capacities
low-cost
experiments.
Statistically
significantly
larger
NH3
were
obtained
(p
<
0.001).
In
contrast,
found
be
poor
adsorbers
without
further
treatment.
this
study’s
compared
those
common
adsorbent
types
same
conditions
using
existing
literature
through
equilibrium
model
interpolation
(Dubinin–Astakhov,
Toth,
Freundlich)
or
cubic
spline
fit
graphical
isotherms.
Controls
consisting
commercially
sourced
activated
carbons
(AC)
capacities,
close
derived
similar
materials,
confirming
methodology’s
robustness.
biosolids’
range
reported
silica,
gamma-alumina,
some
doped
ACs.
They
performed
better
undoped,
work
suggests
such
barks
peats
competent
adsorbents.
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.
