Water Research,
Journal Year:
2024,
Volume and Issue:
273, P. 123064 - 123064
Published: Dec. 28, 2024
Intimately
coupled
photocatalytic
biodegradation
(ICPB)
has
been
recently
developed
as
an
efficient
wastewater
treatment
technique,
particularly
for
removing
persistent
organic
pollutants.
However,
photocatalyst/biofilm
interaction
in
terms
of
photoelectron
transfer
and
its
effect
on
the
overall
performance
ICPB
not
explored.
To
investigate
these
points,
interface-engineered
composites
bismuth
vanadate
reduced
graphene
oxide
with
low
degree
(BiVO
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(9), P. 7090 - 7102
Published: Jan. 1, 2025
The
removal
of
boron
from
wastewater
is
essential
for
protecting
environmental
health
and
supporting
sustainable
urbanization
by
preventing
toxic
accumulation
in
ecosystems.
Existing
adsorption
technologies
face
challenges
such
as
limited
capacity,
slow
kinetics,
high
regeneration
costs,
reduced
efficiency
due
to
adsorbent
saturation.
This
study
develops
an
eco-friendly
(CGCNF
beads)
modifying
chitosan
nanofibers
with
d-(+)-glucono-1,5-lactone
(GL)
enhance
removal.
adsorbents
were
characterized
1H
NMR,
Cosy
SEM,
BET,
TGA,
FTIR,
colloidal
titration.
Notably,
the
hydroxyl
functional
groups
grafted
onto
(49.5%)
found
be
three
times
higher
than
those
on
flakes
(16.4%).
CGCNF
beads
followed
Langmuir
model
pseudo-second-order
a
maximum
capacity
6.05
mg
g-1,
surpassing
commercial
Amberlite
IRA-743
resin
(5.73
g-1).
process
was
much
faster,
reaching
equilibrium
120
minutes,
compared
720
minutes
adsorbent-based
flakes.
significantly
enhanced
either
elevating
pH
levels
or
introducing
salts
NaCl,
KCl,
CaCl2,
MgCl2.
showed
robust
regeneration,
maintaining
65.1%
their
after
20
cycles.
developed
also
demonstrate
simultaneous
high-efficiency
B(iii)
As(iii)
ions
local
wet
flue
gas
desulfurization
(FGD)
at
rates
94.5%
100%,
respectively,
providing
solution
contamination.
