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.
Materials Advances,
Год журнала:
2024,
Номер
5(7), С. 2668 - 2688
Опубликована: Янв. 1, 2024
This
review
highlights
several
advantages
and
improvement
strategies
for
carbon
nitride
as
a
visible
light-active
photocatalyst
graphene
derivatives
supporting
material
the
photocatalytic
degradation
of
emerging
water
pollutants.
Water,
Год журнала:
2022,
Номер
14(16), С. 2537 - 2537
Опубликована: Авг. 18, 2022
Water
is
the
founding
fundamental
of
life
and
hence
a
basic
need
life.
However,
due
to
ever-rising
population,
industrialization
has
emerged
as
global
issue.
This
problem
notably
escalated
in
developing
countries.
Their
citizens
face
problems
such
floods,
drought,
poor
water
quality.
Due
quality
sanitation
problems,
most
health
issues
are
caused
by
water-borne
infections.
In
countries,
untreated
wastewater
released
into
bodies
or
ground,
thereby
polluting
natural
resources.
lack
sufficient
infrastructure,
planning,
funding,
technologies
overcome
these
problems.
Additionally,
urbanization
megacities
countries
highly
accelerated,
but
it
disproportionate
required
resources
for
treating
wastewater.
this
biological
oxygen
demand
(BOD):
chemical
(COD)
ratio
increasing
exponentially
compared
developed
ones.
Spreading
awareness,
education
supporting
relevant
research,
making
stringent
rules
industries
can
alone
solve
Journal of Materials Research and Technology,
Год журнала:
2022,
Номер
22, С. 126 - 156
Опубликована: Ноя. 19, 2022
Metakaolin
is
a
commonly
used
aluminosilicate
material
for
the
synthesis
of
geopolymer
based
adsorbent.
However,
it
presents
characteristics
that
restrict
its
uses
such
as
weak
rheological
properties
brought
on
by
plate-like
structure,
processing
challenges,
high
water
demand
and
quick
hydration
reaction.
Industrial
waste,
other
hand,
contains
variety
components
potential
source
material.
Geopolymer
adsorbent
synthesized
utilizing
industrial
waste
wide
range
elements
offer
better
ion-exchangeability
increase
active
sites
surface
geopolymer.
limited
studies
focused
heavy
metal
adsorption
in
wastewater
treatment.
Therefore,
this
paper
reviews
raw
materials
This
would
help
development
low
cost
has
great
adsorption,
which
could
deliver
double
benefit
both
management
Catalysts,
Год журнала:
2022,
Номер
12(4), С. 428 - 428
Опубликована: Апрель 11, 2022
Semiconductors
based
on
transition
metal
oxides
represent
an
important
class
of
materials
used
in
emerging
technologies.
For
this,
the
performance
these
strongly
depends
size
and
morphology
particles,
surface
charge
characteristics,
presence
bulk
defects
that
are
influenced
by
synthesis
method
experimental
conditions
prepared.
In
this
context,
present
review
aims
to
report
importance
choosing
methods
modify
structural,
morphological,
electronic
characteristics
semiconductors,
more
specifically,
tin
oxide
(SnO2),
since
parameters
may
be
a
determinant
for
better
various
applications,
including
photocatalysis.
SnO2
is
n-type
semiconductor
with
band
gap
between
3.6
4.0
eV,
whose
intrinsic
responsible
its
electrical
conductivity,
good
optical
high
thermal
stability,
other
qualities.
Such
have
provided
excellent
results
advanced
oxidative
processes,
i.e.,
heterogeneous
photocatalysis
applications.
This
process
involves
semiconductors
production
hydroxyl
radicals
via
activation
light
absorption,
it
considered
as
promising
technology
domestic-industrial
wastewater
treatment.
our
article,
we
focused
photodegradation
different
organic
dyes
types
persistent
pollutants
using
SnO2-based
photocatalysts,
how
efficiency
can
impacted
employed
prepare
them.
