Bioremediation Journal,
Год журнала:
2024,
Номер
unknown, С. 1 - 27
Опубликована: Дек. 24, 2024
Micropollutants
(MPs)
are
the
burgeoning
contaminants
which
released
in
wastewater
(WW)
due
to
anthropogenic
activities.
Though
MPs
detected
low
amount
WW
but
highly
toxic
and
non-degradable;
accountable
for
global
water
quality
health
hazards.
The
conventional
treatment
is
energy
inefficient
also
results
hazardous
sludge;
hence
alternative
sustainable
approaches
'need
of
hour'.
Recent
micro-biotechnological
methods
based
on
bio-adsorption,
membrane
filtration,
biocatalysts,
bioreactors,
nanotechnology
effective
removal
MPs.
Bacteria,
fungi,
microalgae
can
degrade
these
through
mechanisms
biosorption,
biotransformation,
bioaccumulation,
bioconversion,
even
at
high
concentrations.
nanotechnological
tools
using
microorganisms
synthesized
as
microbial
nanoparticles
(MNPs)
employing
potential
strains
bacteria,
microalgae,
be
possibly
integrated
into
existing
or
adsorption
technological
methods.
MNPs
have
revealed
a
elimination
from
WW,
systematic
studies
still
infancy.
However,
aspects
related
their
recovery,
regeneration
efficacy
must
justified
confirm
application
future
workhorses
real
plants.
This
comprehensive
review
aims
provide
information
cost-effective
bioremediation
WW.
Algal Research,
Год журнала:
2024,
Номер
82, С. 103670 - 103670
Опубликована: Авг. 1, 2024
This
study
aimed
to
evaluate
the
effect
of
microalgal
photoautotrophic
treatment
on
estrogenic
activity
(EA)
and
removal
process
two
emerging
contaminants
(ECs),
bisphenol-A
(BPA)
triclosan
(TCS),
in
synthetic
wastewater
(SWW).
The
concentration
used
for
BPA
(17
mg/L)
TCS
(325
μg/L)
is
median
effective
(EC50).
Two
conditions
were
evaluated,
using
a
microalgae
inoculum
≈300
≈500
mg
TSS/L
(Total
Suspended
Solids
per
liter).
For
BPA,
biodegradation
was
found
be
contributing
highest
percentage
removal,
reaching
>40
%
both
initial
(≈300
TSS/L).
TCS,
photodegradation,
with
>28
(sum
direct
indirect
removal).
However,
it
observed
that
TSS
≈
500
mg/L
TSS,
sorption
(adsorption
absorption)
increased
by
≈17
respect
determined
300
mg/L.
Microalgae
treatment,
TSS/L,
resulted
reduction
EA
(by
33
%);
but
1.13-fold
increase
BPA.
No
at
TSS/L.
Both
treatments
>95
≈86
TCS.
removals
quantified
as
3.8
14.4
%,
respectively.
an
ECs
(1.79-fold
1.23-fold
TCS).
Indirect
photodegradation
26.2
14.1
Additionally,
showed
2.4-fold
whilst
17.99
decrease
In
conclusion,
no
linear
correlation
between
EC
removals.
high
efficiencies
well
decreased
Microalgal
cultivation
systems
require
optimal
parameters,
determined
through
lab
experiments,
for
maximum
biomass
and
high-value
compound
production
while
reducing
costs.
In
this
study,
laboratory-scale
of
T.
chuii
D.
tertiolecta
was
conducted
using
Conway,
F/2,
TMRL
media
to
investigate
their
biochemical
compositions
economic
The
cell
density
(30.36
×
106
cells/mL)
dry
weight
(0.65
g/L)
were
obtained
when
Conway
medium
used
cultivation.
exhibited
a
higher
lipid
content
(25.65%),
proteins
(27.84%),
total
carbohydrates
(8.45%)
than
F/2
media.
the
highest
17.50
×106
cells/mL
in
media,
which
significantly
lower
chuii.
Furthermore,
cost
varied
from
US$0.23
US$0.74
each
1
L
primarily
due
addition
Na3PO4,
KNO3,
cyanocobalamin.
Thus,
rates
between
US$38.81
128.80
per
kg
on
basis.
These
results
highlight
suitability
laboratory
parameters
comparisons
produced
different
Moreover,
microalgae
strains
microalgae-bacteria
consortia
also
assessed
ability
degrade
variety
emerging
pollutants
(EPs),
including
caffeine,
salicylic
acid,
DEET,
imidacloprid,
3-Methyl-2(3H)-benzothiazolone
(MBT),
cimetidine,
venlafaxine-HCl,
methylparaben,
thiabendazole,
paracetamol.
Both
efficiently
degraded
EPs,
microalgae-bacterial
consortium
enhanced
degradation
certain
EPs.
indicate
that
these
microalgal
have
valuable
symbiotic
relationship
with
bacteria,
can
be
utilized
bioremediation
Bioremediation Journal,
Год журнала:
2024,
Номер
unknown, С. 1 - 27
Опубликована: Дек. 24, 2024
Micropollutants
(MPs)
are
the
burgeoning
contaminants
which
released
in
wastewater
(WW)
due
to
anthropogenic
activities.
Though
MPs
detected
low
amount
WW
but
highly
toxic
and
non-degradable;
accountable
for
global
water
quality
health
hazards.
The
conventional
treatment
is
energy
inefficient
also
results
hazardous
sludge;
hence
alternative
sustainable
approaches
'need
of
hour'.
Recent
micro-biotechnological
methods
based
on
bio-adsorption,
membrane
filtration,
biocatalysts,
bioreactors,
nanotechnology
effective
removal
MPs.
Bacteria,
fungi,
microalgae
can
degrade
these
through
mechanisms
biosorption,
biotransformation,
bioaccumulation,
bioconversion,
even
at
high
concentrations.
nanotechnological
tools
using
microorganisms
synthesized
as
microbial
nanoparticles
(MNPs)
employing
potential
strains
bacteria,
microalgae,
be
possibly
integrated
into
existing
or
adsorption
technological
methods.
MNPs
have
revealed
a
elimination
from
WW,
systematic
studies
still
infancy.
However,
aspects
related
their
recovery,
regeneration
efficacy
must
justified
confirm
application
future
workhorses
real
plants.
This
comprehensive
review
aims
provide
information
cost-effective
bioremediation
WW.