ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(8)
Published: Feb. 1, 2025
Abstract
Organic
pollutants
in
aqueous
pose
a
serious
threat
toward
ecosystems
and
human
health,
marking
them
as
pressing
global
environmental
issue.
In
response
to
this
urgent
challenge,
scientists
have
been
pursuing
efficient
methods
minimize
their
presence,
biochar
has
regarded
promising
material.
Although
some
studies
reported
by
using
address
specific
pollutant,
they
still
lack
systematic
analysis
for
synthesis
removal
mechanisms
broad
spectrum
of
pollutants.
This
paper
aims
present
review
on
recent
advances
dyes,
antibiotics,
pesticides
via
adsorption
oxidative
degradation.
The
focus
is
rationalize
factors
that
control
pore
size,
functional
groups,
ability
function
feedstocks
synthetic
conditions,
temperature
identified
the
most
critical
factor.
Modifications,
such
doping
heteroatoms
metals,
are
important
enhance
biochar.
challenges
opportunities
future
exploration
discussed,
hoping
inspire
more
researchers
participate
fascinating
area.
BMC Chemistry,
Journal Year:
2024,
Volume and Issue:
18(1)
Published: Dec. 18, 2024
This
Study
focuses
on
the
preparation
of
sustainable
and
efficient
Chitosan
catalyst
for
removal
three
organic
pollutants,
17β-Estradiol
(E2),
17α-ethynyl
estradiol
(EE2)
triclosan
(TCS)
from
water.
The
prepared
nanocomposites
were
characterized
by
different
techniques
which
confirmed
presence
key
components
Chitosan,
Carica
Papaya
seed
Kaolinite.
optical
characterization
proved
nanocomposite
is
photoactive
with
a
band
gap
1.81
eV
1.77
Chitosan/kaolinite
biochar
(CS/KBC)
biochar/GO
(CS/KBC/GO)
respectively,
confirming
ability
to
be
active
in
visible
light
region
spectrum.
degradation
experiment
using
CS/KBC/GO
was
observed
better
100%
5
mg/L
E2
EE2
over
60
min
97.8%
120
10
TCS
at
optimum
conditions
(pH
3
E2,
pH
7).
It
that
superoxide
radical
played
major
role
contaminants.
Furthermore,
four
cycles
without
any
decrease
performance,
rules
out
question
deactivation
proving
sustainability
catalyst.
toxicity
test
shows
water
safe
as
it
does
not
harm
cerio
daphnia
silvestrii
organism.;
efficiently
removed
micropollutants
real-life
waste
samples
performance
very
good
slight
wastewater
due
complex
matrix
sample
competes
site.
