Environmental Technology,
Год журнала:
2024,
Номер
45(28), С. 6060 - 6072
Опубликована: Март 1, 2024
Because
of
its
extreme
toxicity
and
health
risks,
hexavalent
chromium
[Cr(VI)]
has
been
identified
as
a
major
environmental
contaminant.
Bioreduction
is
considered
one
effective
techniques
for
cleaning
up
Cr(VI)-contaminated
sites,
but
the
remediation
efficiency
needs
to
be
enhanced.
Here,
novel
immobilized
microbial
agent
was
produced
by
immobilizing
Bacillus
cereus
ZY-2009
with
sodium
alginate
(SA)
using
polyvinyl
alcohol
(PVA)
activated
carbon
(AC).
To
evaluate
decrease
Cr(VI)
bacterial
agents,
batch
tests
were
conducted
varying
immobilization
conditions,
carriers,
dosages
medication.
The
removal
prepared
composite
method
better
than
that
adsorption
encapsulation
methods.
optimal
preparation
conditions
fraction
magnetic
PVA
5.00%,
SA
4.00%,
CaCl2
calcification
time
12
h.
experimental
results
indicated
PVA/SA/AC
agents
accelerated
reduction
rate
Cr(VI).
cells
(90.5%)
under
ideal
substantially
higher
free
(11.0%).
This
had
large
specific
surface
area
rich
pore
structure,
accounting
high
rate.
suggest
great
potential
remove
from
wastewater
treatment
systems.
Water Emerging Contaminants & Nanoplastics,
Год журнала:
2024,
Номер
3(3)
Опубликована: Авг. 19, 2024
Carbon-based
materials
have
attracted
significant
interest
due
to
their
porous
structure
and
high
specific
surface
area.
The
stability
of
carbon
provides
an
optimal
environment
for
microbial
growth
activity.
This
paper
presents
a
comprehensive
review
microorganisms
immobilized
on
carbon-based
materials.
Techniques
used
immobilize
various
are
discussed
initially.
Subsequently,
the
introduces
application
these
in
restoration
soil
water
environments,
including
treatment
organic
pollutants,
heavy
metals,
ammonia
nitrogen.
Overall,
this
work
enhances
our
understanding
pathways
facilitated
by
