Colloids and Interfaces,
Journal Year:
2024,
Volume and Issue:
9(1), P. 1 - 1
Published: Dec. 26, 2024
Caffeine
is
commonly
used
in
pharmaceutical
and
personal
care
products,
where
it
serves
both
therapeutic
cosmetic
purposes.
However,
its
widespread
presence
wastewater
from
the
industries
has
raised
concerns
about
environmental
contamination.
This
study
explores
use
of
a
polyaniline
(PANI)/cuttlefish
bone
(CB)
nanocomposite
as
an
effective
adsorbent
for
removal
caffeine
aqueous
solutions.
The
was
synthesized
by
incorporating
(PANI)
onto
cuttlefish
flakes,
resulting
material
with
hybrid
morphology
consisting
layered
nanosheets
flaky
structures.
Adsorption
experiments
were
conducted
to
determine
optimal
conditions
removal,
results
showing
best
adsorption
efficiency
at
pH
7
dosage
0.1
g/L
nanocomposite,
achieving
80.73%
efficiency.
maximum
capacity
108.33
mg/g—significantly
higher
than
pure
CB
(55.05
mg/g)
PANI
(57.71
mg/g).
process
followed
pseudo-second-order
kinetic
model
Langmuir
isotherm,
indicating
chemisorption
mechanism
monolayer
adsorption.
Additionally,
demonstrated
excellent
reuse
capacity,
maintaining
over
85%
initial
after
multiple
adsorption–desorption
cycles,
highlighting
potential
sustainable
long-term
use.
work
demonstrates
using
waste-derived
materials
like
support
development
low-cost,
adsorbents
pollutant
remediation
wastewater.
Future
studies
will
explore
adsorbent’s
applicability
other
contaminants
antimicrobial
properties.
Water,
Journal Year:
2025,
Volume and Issue:
17(6), P. 881 - 881
Published: March 19, 2025
Caffeine
in
aquatic
ecosystems
is
an
emerging
contaminant
causing
significant
environmental
concern.
In
this
work,
spent
coffee
ground
(SCG)
was
pyrolyzed
at
300,
450,
and
600
°C
to
produce
pristine
SCG
biochars
(CG),
which
were
then
ball-milled
(BMCG).
A
batch
experiment
with
showed
that
450
had
the
highest
capacities
adsorb
caffeine.
Subsequently,
CG450
(BMCG450)
selected
for
further
analysis.
The
results
ball
milling
dramatically
augmented
specific
surface
area
oxygen-containing
functional
groups
of
biochar.
Langmuir
maximum
caffeine
adsorption
capacity
82.65
mg/g.
Both
solution
pH
ionic
strength
affected
removal
by
BMCG450.
As
increased,
increased
electrostatic
repulsion
limited
onto
However,
increase
ion
slightly
enhanced
because
screening
effect
cations.
biochar
also
high
efficiency
a
completely
mixed
flow
reactor
under
continuous
conditions.
Our
study
indicates
can
serve
as
viable
sorbent
from
water.
International Journal of Phytoremediation,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 21
Published: April 4, 2025
Pomegranate
peel
waste
in
the
forms
of
raw
biomass,
biochar
and
activated
carbon
has
been
explored
as
adsorbents
water
treatment.
This
review
examined
discussed
published
works
between
2008
2024
that
focused
on
utilization
pomegranate
with
emphasis
preparation
strategies,
characterization
techniques
applications.
The
thermal
chemical
activation
have
shown
to
improve
structural
properties
resultant
adsorbent
materials
effectively
adsorb
various
pollutants
such
dyes,
heavy
metals,
organics,
inorganic
nonmetals,
pharmaceuticals
from
water.
performance
was
compared
avenues
for
future
research
highlighted
shed
insight
into
potential
environmental
protection.
Journal of Xenobiotics,
Journal Year:
2024,
Volume and Issue:
14(4), P. 1465 - 1518
Published: Oct. 15, 2024
Medicines
are
pharmaceutical
substances
used
to
treat,
prevent,
or
relieve
symptoms
of
different
diseases
in
animals
and
humans.
However,
their
large-scale
production
use
worldwide
cause
release
the
environment.
Pharmaceutical
molecules
currently
considered
emerging
pollutants
that
enter
water
bodies
due
inadequate
management,
affecting
quality
generating
adverse
effects
on
aquatic
organisms.
Hence,
alternatives
for
pharmaceuticals
removal
from
have
been
sought;
among
them,
agro-industrial
wastes
has
proposed,
mainly
because
its
high
availability
low
cost.
This
review
highlights
ecotoxicological
related
presence
environments
analyzes
94
investigations,
2012
2024,
17
antibiotics,
highlighting
sulfamethoxazole
as
most
reported,
well
6
non-steroidal
anti-inflammatory
drugs
(NSAIDs)
such
diclofenac
ibuprofen,
27
with
pharmacological
activities.
The
these
was
evaluated
using
wheat
straw,
mung
bean
husk,
bagasse,
bamboo,
olive
stones,
rice
pinewood,
others.
On
average,
60%
were
transformed
into
biochar
be
a
biosorbents
removal.
diversity
experimental
conditions
studies
makes
it
difficult
stablish
which
waste
greatest
capacity;
therefore,
this
review,
drug
mass
rate
(DMRR)
calculated,
parameter
comparative
purposes.
Almond
shell-activated
showed
highest
antibiotics
(1940
mg/g·h),
while
cork
powder
(CP)
(10,420
mg/g·h)
NSAIDs.
Therefore,
scientific
evidence
demonstrates
is
promising
alternative
substances.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(32), P. 34700 - 34718
Published: Aug. 2, 2024
Plastic
waste
poses
a
serious
environmental
risk,
but
it
can
be
recycled
to
produce
variety
of
nanomaterials
for
water
treatment.
In
this
study,
poly(ethylene
terephthalate)
(PET)
and
acid
mine
drainage
were
used
in
the
preparation
magnetic
mesoporous
carbon
(MMC)
nanocomposites
adsorptive
removal
pharmaceuticals
personal
care
products
(PPCPs)
from
samples.
The
latter
then
characterized
using
Fourier
transform
infrared
(FTIR)
spectroscopy,
X-ray
diffraction
(XRD),
scanning
electron
microscopy
with
energy-dispersive
spectroscopy
(SEM-EDX),
transmission
(TEM),
Brunauer-Emmett-Teller
(BET),
ζ
potential.
results
isotherms
revealed
high
specific
surface
areas
404,
664,
936
m
Materials Research Express,
Journal Year:
2024,
Volume and Issue:
12(1), P. 012001 - 012001
Published: Dec. 20, 2024
Abstract
As
the
world
moves
toward
greener
energy
generation
methods
and
cleaner
environments,
activated
carbon
produced
from
ligninocellulosic
resources
has
attracted
unexpected
interest
due
to
its
easy
availability,
economic,
renewable,
biodegradable
properties,
which
makes
it
a
viable
alternative
exhaustible
coal.
This
review
paper
provides
comprehensive
overview
of
systematic
procedure
develop
plant
biomass,
characterization
by
simple
techniques,
versatile
applications
carbon.
includes
role
in
environmental
remediation,
emphasizing
efficacy
removing
wide
array
pollutants,
sustainable
hydrogen
capture
storage
supercapacitors.
A
brief
comparison
key
aspects
optimal
toxicant
adsorption,
like
batch
conditions,
best-fit
model,
isotherms,
maximum
are
also
made.
To
ascertain
efficiency
supercapacitors,
their
strategy
designing
it,
output
terms
specific
capacitance,
power,
density
compared.
