Synergistic Effect of Bimetallic Based Nanocomposites for Removal of Pharmaceutical Compounds in Water Purification: A Review
ChemistrySelect,
Год журнала:
2025,
Номер
10(20)
Опубликована: Май 1, 2025
Abstract
Pharmaceuticals
are
emerging
contaminants
found
in
aquatic
environments,
posing
significant
risks
to
human
and
animal
health.
The
global
shortage
of
potable
water,
driven
by
population
growth,
pollution,
droughts,
climate
change,
poses
a
challenge.
Effective
water
purification
is
essential,
as
traditional
wastewater
treatment
often
fails
meet
the
rising
demand
for
safe
drinking
under
World
Health
Organization
(WHO)and
United
States
Environmental
Protection
Agency
(USEPA)
standards.
To
address
this
challenge,
nanotechnology
has
emerged
vital
application
environmental
science,
particularly
removing
pharmaceutical
compounds
from
ecosystems.
In
recent
years,
bimetallic
nanoparticles
(BNP
s
),
combination
two
dissimilar
metal
elements
at
nanoscale
through
adsorption
and/or
catalysis
mechanisms
have
played
role
because
their
large
surface
area,
cost‐effectiveness,
improved
processability,
fast
decontamination.
These
metallic
nanomaterials
exhibit
enhanced
properties
compared
precursors,
including
distinct
chemical
physical
attributes,
synergistic
effects,
diverse
action.
BNPs
influenced
size,
structure,
morphology,
development
BNP
based
composite
promising
direction
effective
groundwater
adsorption,
reduction,
oxidation
mechanisms.
main
objective
discussed
detail
review
effectiveness
adsorbing
compounds,
especially
with
three
categories
drugs:
antibiotics,
nonsteroidal
anti‐inflammatory
drugs,
miscellaneous
drug
water;
advancements
synthesis
nanomaterials;
operational
factors
affecting
isotherm,
kinetic,
thermodynamics.
Язык: Английский
Preparation and Application of Tussah Sericin‐Modified Chitosan Adsorbent
ChemistrySelect,
Год журнала:
2025,
Номер
10(21)
Опубликована: Май 28, 2025
Abstract
This
study
presents
a
novel
tussah
sericin‐modified
chitosan
composite
(S‐CS)
with
exceptional
efficiency
for
carmine
dye
removal
synthesized
via
glutaraldehyde
crosslinking.
The
sericin
used
the
preparation
of
adsorbent
was
recycled
from
cocoon
wastewater,
implying
its
alignment
“waste‐to‐wealth”
principle.
Further,
structural
characterization
this
SEM,
FTIR,
and
BET
analyses
confirmed
formation
porous
architecture
following
modification
sericin,
enhanced
adsorption
efficacy
as
evidenced
by
high
surface
area
(13.3142
m
2
g
−1
)
average
pore
size
(22.78
nm)
obtained
material.
Under
optimal
conditions
(0.1000
S‐CS,
30
°C,
150
rpm),
showed
capacity
98.5
mg
reached
98.37%
within
40
min.
Via
FTIR
spectroscopy,
we
identified
hydrogen
bonding
interactions
between
S‐CS
key
mechanism.
Additionally,
retained
>90%
after
five
regeneration
cycles,
highlighting
reusability.
These
findings
not
only
advance
valorization
waste
but
also
provide
cost‐effective
option
textile
effluent
treatment.
In
future,
it
would
be
necessary
to
investigate
scalability
industrial
integration
support
circular
economy
initiatives.
Язык: Английский