Environmental Science & Technology,
Год журнала:
2023,
Номер
57(44), С. 16940 - 16952
Опубликована: Окт. 27, 2023
Harnessing
the
potential
of
specific
antibiotic-degrading
microalgal
strains
to
optimize
microalgal-bacterial
granular
sludge
(MBGS)
technology
for
sustainable
antibiotic
wastewater
treatment
and
resistance
genes
(ARGs)
mitigation
is
currently
limited.
This
article
examined
performance
bacterial
(BGS)
MBGS
(of
Haematococcus
pluvialis,
an
microalga)
systems
in
terms
stability,
nutrient
removal,
fate
ARGs
mobile
genetic
elements
(MGEs)
under
multiclass
loads.
The
exhibited
excellent
none
50
μg/L
mixed
antibiotics
a
decrease
at
higher
concentration.
showed
superior
potential,
53.9
mg/L/day
chemical
oxygen
demand
(COD)
5.2–8.2%
improved
notably
refractory
antibiotics,
system
removal
capacity
was
predicted.
Metagenomic
analysis
revealed
lower
levels
MGEs
effluent
biomass
compared
BGS
bioreactor.
Particle
association
niche
projection
pursuit
regression
models
indicated
that
microalgae
may
limit
gene
transfers
among
effluent,
impeding
ARG
dissemination.
Moreover,
discrepancy
found
biomarkers
due
effect
on
microcommunity.
Altogether,
these
findings
deepened
our
understanding
microalgae's
value
remediation
propagation
control.
Frontiers of Environmental Science & Engineering,
Год журнала:
2024,
Номер
18(7)
Опубликована: Март 25, 2024
Abstract
Wastewater
treatment
plants
are
the
major
energy
consumers
and
significant
sources
of
greenhouse
gas
emissions,
among
which
biological
nitrogen
removal
wastewater
is
an
important
contributor
to
carbon
emissions.
However,
traditional
heterotrophic
denitrification
still
has
problems
excessive
residual
sludge
requirement
external
sources.
Consequently,
development
innovative
low-carbon
nitrate
technologies
necessary.
This
review
outlines
key
roles
sulfur
autotrophic
hydrogen
in
treatment.
The
discovered
nitrate/nitrite
dependent
anaerobic
methane
oxidation
enables
sustainable
emission
reduction
by
utilizing
available
situ
.
Photosynthetic
microorganisms
exhibited
a
promising
potential
achieve
carbon-negative
removal.
Specifically,
algal-bacterial
symbiosis
system
photogranules
offer
effective
prospective
options
for
Then,
emerging
technology
photoelectrotrophic
underlying
photoelectron
transfer
mechanisms
discussed.
Finally,
we
summarize
prospect
these
technologies,
highlighting
that
solar-driven
area
future
guiding
significance
design
systems.
Biofilm,
Год журнала:
2024,
Номер
8, С. 100234 - 100234
Опубликована: Окт. 25, 2024
Nanoparticles
(NPs)
are
of
significant
interest
due
to
their
unique
properties,
such
as
large
surface
area
and
high
reactivity,
which
have
facilitated
advancements
in
various
fields.
However,
increased
use
raises
concerns
about
environmental
impacts,
including
on
wastewater
treatment
processes.
This
review
examines
the
effects
different
nanoparticles
anaerobic,
anammox,
aerobic,
algal-bacterial
granular
sludge
used
treatment.
CeO
Water Environment Research,
Год журнала:
2025,
Номер
97(1)
Опубликована: Янв. 1, 2025
Abstract
Ocean
oil
spills
can
severely
impact
ecosystems
and
disrupt
marine
biodiversity
habitats.
Microbial
remediation
is
an
effective
method
for
removing
thin
slick
contamination.
In
this
study,
the
adsorption
degradation
of
low‐concentration
by
Chlorella
vulgaris
LH‐1
immobilized
in
konjac
glucomannan
(KGM)
aerogel
were
investigated.
The
effect
KGM
aerogel‐immobilized
C.
on
bacterial
community
structure
seawater
environments
was
analyzed
through
diversity
sequencing.
containing
0.01
1.00
g/L
crude
oil,
after
14
days
with
,
removal
rates
98.73%
95.13%
achieved,
respectively.
FDA
hydrolytic
enzyme
activity
curve
indicated
that
microbial
growth
group
significantly
higher
than
other
groups.
After
remediation,
top
three
dominant
genera
found
to
be
Vitellibacter
Roseitalea
Methylophaga
.
a
genus
known
its
ability
degrade
polycyclic
aromatic
hydrocarbons
(PAHs)
environments,
showed
increased
abundance
treated
suggesting
enhanced
PAH
capability
presence
Functional
prediction
using
PICRUSt
metabolism
bacteria
promoted
Practitioner
Points
High
efficiency
across
various
concentrations
exhibited
KGM‐immobilized
microalgae.
aerogels
effectively
confine
C.vulgaris
reducing
loss
systems.
analyzed.
Immobilized
hydrocarbon‐degrading
bacteria,
such
as
seawater.
