Water,
Год журнала:
2024,
Номер
16(24), С. 3660 - 3660
Опубликована: Дек. 19, 2024
The
biosorption
of
heavy
metals
has
become
an
attractive
alternative
to
conventional
methods
and
is
considered
feasible,
environmentally
friendly
often
low-cost
option.
Five
microorganisms
(Rhodotorula
sp.,
Cladosporium
Bacillus
megaterium,
Trichosporon
sp.
Geotrichum
sp.)
were
isolated
from
different
environments
used
for
the
Cd(II)
aqueous
solutions
in
batch
mode
expand
upon
existing
studies
generate
new
data
related
main
that
could
be
successfully
applied
removal
wastewaters.
Considering
a
constant
biosorbent
dose
(5
g/L),
pH
(5.4)
temperature
(25
°C)
varying
contact
times
initial
pollutant
concentrations,
process
efficiency
uptake
capacity
biosorbents
assessed.
Statistical
analysis
experimental
results
revealed
time
longer
than
24
h
did
not
significantly
increase
or
by
B.
megaterium
which
means
available
binding
sites
on
cell
wall
immediately
participate
metal
ions.
For
other
three
biosorbents,
increasing
48
led
significant
efficiency.
A
comparison
values
each
had
highest
(8.53
mg/g),
followed
(8.21
mg/g).
lowest
capacity,
as
well
after
contact,
was
obtained
(0.73
mg/g
14.97%,
respectively).
FTIR
almost
all
functional
groups
present
surface
biosorbent,
but
their
involvement
differed
biosorbent.
phosphodiester,
amide
hydroxyl
found
Rhodotorula
involved
biosorption.
Sustainability,
Год журнала:
2025,
Номер
17(4), С. 1386 - 1386
Опубликована: Фев. 8, 2025
Lead
(Pb)
contamination
poses
significant
ecological
and
health
risks
due
to
its
persistence
toxicity.
Bacterial-assisted
phytoremediation
has
emerged
as
a
promising,
eco-friendly
strategy
for
Pb
removal.
This
review
focuses
on
the
integration
of
bacteria
in
phytoremediation,
exploring
mechanisms
factors
that
influence
effectiveness
this
process.
Case
studies
demonstrate
bacterial
inoculation
can
increase
accumulation
plant
tissues,
enhance
biomass
growth,
reduce
contamination.
Finally,
challenges
related
field
applications,
microorganism
tolerance,
environmental
variability
are
discussed.
provides
valuable
insights
into
improving
efficiency,
thus
contributing
remediation
Pb-contaminated
environments.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Ноя. 28, 2024
Abstract
Several
studies
have
shown
the
importance
of
using
seaweed
liquid
extract
(True-Algae-Max,
TAM)
as
a
fish
feed
additive,
and
fish-water
conditioner.
In
addition,
TAM
has
demonstrated
significant
growth
improvement
when
used
plant
biostimulant.
This
study
investigates
whether
(TAM)
can
achieve
good
results
in
new
experimental
fields
such
chromium
remediation,
germination,
live
supplementation
for
marine
invertebrate
Copepod
(
Oithona
nana
).
this
study,
several
doses
were
tested,
first
time,
their
impact
on
remediation
(Cr
6+
)
ions
from
aqueous
solutions
an
aqua
additive
copepods
it
been
tested
promising
seed
germination
Fenugreek
Trigonella
foenum-graecum
Faba
bean
Vicia
faba
L.).
The
most
important
factors
influencing
removal
(%)
Cr
,
identified
two-level
Plackett–Burman
factorial
design,
selected
additional
optimization
utilizing
rotatable
central
composite
design.
maximum
adsorption
was
93.65%
under
ideal
operating
circumstances,
which
included
initial
concentration
60
mg
L
−1
temperature
25
°C,
pH
3,
biomass
0.05
g,
contact
time
min
at
agitation
conditions.
design
data
shows
significance
each
factor
how
well
model
fits
removal.
experiment
revealed
that
highest
increase
achieved
level
0.30
mL
with
V.
(88%)
0.03
T.
(96.6%).
Additionally,
compared
to
control
group,
0.037
showed
high
root
length
enhancement
(184%)
(188%).
copepod
O.
feeding
found
group
fed
starch
supplemented
0.3
only,
increment
population
(134.74%),
fecundity
(270.16%),
composition
males
(133.45%),
adults
(120.37%),
nauplius
(203.18%).
Moreover,
levels
Omega-9
content.
conclusion,
is
feasible,
efficient,
sustainable
solution
biodegradable
adsorbent
solution,
enhances
novel
especially
hatcheries.
Polymers,
Год журнала:
2024,
Номер
16(23), С. 3340 - 3340
Опубликована: Ноя. 28, 2024
This
study
investigates
the
biosorption
capabilities
of
kefir
grains,
a
polysaccharide-based
byproduct
fermentation
process,
for
removing
copper(II)
and
arsenic(V)
from
contaminated
water.
Unlike
traditional
heavy-metal
removal
methods,
which
are
typically
expensive
involve
environmentally
harmful
chemicals,
biopolymeric
materials
such
as
grains
provide
sustainable
cost-effective
alternative
adsorbing
hazardous
inorganic
pollutants
aqueous
solutions.
Our
experimental
results
revealed
significant
differences
in
sorption
capacities
two
types
grains.
Grains
milk
outperformed
water
kefir,
particularly
removal,
achieving
up
to
95%
efficiency
at
low
copper
concentrations
(0.16
mmol·L−1)
demonstrating
maximum
capacity
49
µmol·g−1.
In
contrast,
achieved
only
35.5%
exhibited
lower
capacity.
For
also
showed
superior
performance,
56%
arsenic
diluted
solution
with
reaching
20
µmol·g−1,
whereas
34.5%.
However,
these
findings
suggest
that
while
show
potential
low-cost
biosorbents,
further
modifications
needed
enhance
their
competitiveness
large-scale
treatment
applications.
Water,
Год журнала:
2024,
Номер
16(24), С. 3660 - 3660
Опубликована: Дек. 19, 2024
The
biosorption
of
heavy
metals
has
become
an
attractive
alternative
to
conventional
methods
and
is
considered
feasible,
environmentally
friendly
often
low-cost
option.
Five
microorganisms
(Rhodotorula
sp.,
Cladosporium
Bacillus
megaterium,
Trichosporon
sp.
Geotrichum
sp.)
were
isolated
from
different
environments
used
for
the
Cd(II)
aqueous
solutions
in
batch
mode
expand
upon
existing
studies
generate
new
data
related
main
that
could
be
successfully
applied
removal
wastewaters.
Considering
a
constant
biosorbent
dose
(5
g/L),
pH
(5.4)
temperature
(25
°C)
varying
contact
times
initial
pollutant
concentrations,
process
efficiency
uptake
capacity
biosorbents
assessed.
Statistical
analysis
experimental
results
revealed
time
longer
than
24
h
did
not
significantly
increase
or
by
B.
megaterium
which
means
available
binding
sites
on
cell
wall
immediately
participate
metal
ions.
For
other
three
biosorbents,
increasing
48
led
significant
efficiency.
A
comparison
values
each
had
highest
(8.53
mg/g),
followed
(8.21
mg/g).
lowest
capacity,
as
well
after
contact,
was
obtained
(0.73
mg/g
14.97%,
respectively).
FTIR
almost
all
functional
groups
present
surface
biosorbent,
but
their
involvement
differed
biosorbent.
phosphodiester,
amide
hydroxyl
found
Rhodotorula
involved
biosorption.
