Environmental Technology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 23
Published: March 27, 2025
Hydrogel
beads
were
constructed
using
sodium
alginate
(SA)
and
banana
pith
powder
(BPP).
The
ability
of
to
adsorb
Copper
(Cu2+),
Lead
(Pb2+)
Nickel
(Ni2+)
was
examined
SA-BPP
ratios
(1:1,
1:2,
1:3,
1:4,
1:5,
1:0
0:1).
BET,
FTIR,
SEM-EDS,
TGA
ZP
used
analyse
the
composite
structural
characteristics.
BET
surface
area
(1:5)
is
found
be
28.308
m2/g.
impacts
adsorbent
blend
ratio,
dosage,
adsorption
contact
time,
pH,
temperature
evaluated.
efficiency
attained
at
(1:5),
0.3
g,
180
min,
pH
6
35°C,
with
rates
83.38%
for
Cu2+,
77%
Pb2+
94.7%
Ni2+.
pseudo-first-order
equation
displayed
good
mechanism
(R2
=
0.993,
0.998
0.994)
Freundlich
isotherm
fits
perfectly
process
0.967)
Langmuir
0.979
0.983)
Cu2+
thermodynamic
analysis
shows
that
endothermic.
removal
determined
by
optimizing
theoretical
experiments
through
Box-Behnken
Design
(BBD).
Cumulatively,
Ni2+
ions
have
an
electrostatic
nature
facilitates
their
easier
acceptance
electrons.
After
five
cycles,
a
maximal
effectiveness
75%
achieved,
which
concludes
long-lasting
industrial
wastewater.
Chemical Engineering Communications,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 35
Published: Jan. 7, 2025
The
escalating
prevalence
of
emerging
contaminants,
notably
pharmaceutical
and
personal
care
products
(PPCPs),
poses
a
significant
threat
to
global
freshwater
reservoirs,
environmental
equilibrium,
human
well-being.
Trace
amounts
these
micropollutants
persist
within
aquatic
environments,
posing
challenges
in
their
detection,
analysis,
wastewater
remediation
using
conventional
approaches.
Enhanced
tertiary
treatments
(ETTs),
encompassing
methods
such
as
adsorption
on
activated
carbon
(AAC),
advanced
oxidation
processes
(AOP),
membrane
separation
process
(MSP),
have
been
introduced
address
challenges.
This
review
underscores
the
pressing
necessity
for
economical
efficacious
alternatives,
with
particular
focus
polymeric
technology
membrane-based
treatment.
approach
demonstrates
cost-effectiveness,
facile
production,
excellent
pollutant
selectivity.
Furthermore,
paper
explores
viability
utilizing
agricultural
waste
an
alternative
adsorbent
material
adsorption-membrane
hybrid
systems.
Introducing
innovative
approach—adsorption-membrane
waste—this
advances
beyond
existing
literature.
By
leveraging
alongside
unique
attributes
adsorbents,
this
strategy
aims
enhance
efficacy
Noteworthy
its
comprehensive
exploration
precursors
derived
from
waste,
presents
novel
promising
avenue
treatment
advancement.