Abstract
The
growing
presence
of
pharmaceutical
pollutants
in
aquatic
environments
poses
significant
threats
to
both
human
health
and
ecosystems.
Despite
their
crucial
role
healthcare,
pharmaceuticals
enter
water
systems
through
various
sources,
making
them
some
the
most
critical
environmental
contaminants.
Traditional
wastewater
treatments,
which
are
classified
into
physical,
chemical,
biological
techniques,
often
struggle
effectively
remove
pharmaceuticals.
Among
these
methods,
adsorption
stands
out
as
a
reliable
versatile
approach
for
removing
organic
enhancing
efficiency
treatment
processes.
Biopolymers,
particularly
chitosan,
gaining
attention
due
numerous
advantages,
including
biocompatibility,
biodegradability,
affordability,
high
capability,
non‐toxicity,
availability
from
diverse
natural
sources.
Chitosan,
hydrophilic
biopolymer,
can
be
chemically
modified
by
incorporating
nanoparticles
(e.g.,
metal
oxides,
carbon‐based
materials,
magnetic
particles)
boost
its
efficiency.
These
advancements
enable
chitosan‐based
nanocomposites
range
pharmaceuticals,
antibiotics,
analgesics,
hormones,
water.
This
review
examines
latest
developments
nanocomposite
adsorbents,
emphasizing
fundamental
mechanisms,
optimization
conditions,
kinetic
behaviors,
isotherm
models.
factors
collectively
determine
capturing
pollutants.
Moreover,
underscores
potential
materials
remediation,
offering
valuable
insights
application
future
research
directions.
Ultimately,
aim
this
is
provide
insight
offer
an
innovative
effective
solution
challenge
contamination
By
addressing
key
challenges
utilizing
advanced
material
designs,
adsorbents
hold
great
promise
sustainable
efficient
removal
systems.
Heliyon,
Год журнала:
2024,
Номер
10(3), С. e24647 - e24647
Опубликована: Янв. 23, 2024
This
study
is
focused
on
reducing
total
chromium
level
in
tannery
wastewater
through
the
electrocoagulation
process,
order
to
comply
with
maximum
permissible
limits
(MPL)
and
determine
effects
from
its
main
operating
factors.
For
this
purpose,
a
batch
reactor
was
manufactured
using
iron
electrodes.
Next,
response
surface
methodology
applied
experimental
design
Box–Behnken
(BBD)
three
factors:
current
intensity,
treatment
time,
pH
level.
In
addition,
removal
percentage
taken
as
variable.
The
corresponding
statistical
analysis
revealed
that
variables
were
significant
at
confidence
of
P−value<0.05.
Obtained
for
99%
were:
intensity
(I)=2.9A,
time
(t)=18.1min,
pH=5.6.
Our
results
indicated
process
effectively
removes
effluents
up
MPL
values.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Июль 13, 2024
Abstract
This
paper
explores
the
photocatalytic
degradation
of
Reactive
Orange
16
(RO16)
dye
in
textile
wastewater
employing
a
novel
CuO@A-TiO
2
/Ro-TiO
nanocomposite.
The
nanocomposite
was
synthesized
via
hydrothermal
technique,
resulting
monoclinic
phase
leaf-shaped
CuO
loaded
on
hexagonal
wurtzite
structure
rod-shaped
ZnO,
as
confirmed
by
FE-SEM
and
XRD
analyses.
Optical
experiments
revealed
band
gap
energies
1.99
eV
for
CuO,
2.19
3.34
Photocatalytic
showcased
complete
elimination
100
mg/L
RO16
solution
(150
mL)
after
120
min
UV
light
illumination
sunlight
illumination,
emphasizing
nanocomposite's
efficiency
under
both
sources.
study
further
delves
into
application
actual
samples
irradiation.
results
underscore
remarkable
efficacy
treating
wastewater,
positioning
it
promising
candidate
sustainable
efficient
treatment
applications.
research
contributes
valuable
insights
development
advanced
materials
treatment.
Abstract
The
growing
presence
of
pharmaceutical
pollutants
in
aquatic
environments
poses
significant
threats
to
both
human
health
and
ecosystems.
Despite
their
crucial
role
healthcare,
pharmaceuticals
enter
water
systems
through
various
sources,
making
them
some
the
most
critical
environmental
contaminants.
Traditional
wastewater
treatments,
which
are
classified
into
physical,
chemical,
biological
techniques,
often
struggle
effectively
remove
pharmaceuticals.
Among
these
methods,
adsorption
stands
out
as
a
reliable
versatile
approach
for
removing
organic
enhancing
efficiency
treatment
processes.
Biopolymers,
particularly
chitosan,
gaining
attention
due
numerous
advantages,
including
biocompatibility,
biodegradability,
affordability,
high
capability,
non‐toxicity,
availability
from
diverse
natural
sources.
Chitosan,
hydrophilic
biopolymer,
can
be
chemically
modified
by
incorporating
nanoparticles
(e.g.,
metal
oxides,
carbon‐based
materials,
magnetic
particles)
boost
its
efficiency.
These
advancements
enable
chitosan‐based
nanocomposites
range
pharmaceuticals,
antibiotics,
analgesics,
hormones,
water.
This
review
examines
latest
developments
nanocomposite
adsorbents,
emphasizing
fundamental
mechanisms,
optimization
conditions,
kinetic
behaviors,
isotherm
models.
factors
collectively
determine
capturing
pollutants.
Moreover,
underscores
potential
materials
remediation,
offering
valuable
insights
application
future
research
directions.
Ultimately,
aim
this
is
provide
insight
offer
an
innovative
effective
solution
challenge
contamination
By
addressing
key
challenges
utilizing
advanced
material
designs,
adsorbents
hold
great
promise
sustainable
efficient
removal
systems.
