Environmental Technology Reviews,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Dec. 16, 2023
Anaerobic
ammonia
oxidation
(anammox)
process
is
regarded
as
an
efficient
and
cost-effective
technology
for
nitrogen
removal.
Anammox
bacteria
typically
coexist
with
other
microorganisms,
which
highlights
the
necessity
to
optimize
system,
improve
pollutant
removal
efficiency
maintain
system
stability.
This
review
mainly
focused
on
interaction
effects
of
anammox
functional
bacteria,
such
aerobic
ammonia-oxidizing
sulphur-oxidizing
sulphate-reducing
denitrifying
anaerobic
methane
phosphate-accumulating
organisms.
provided
support
emerging
insights
that
synergistic
various
related
nitrogen,
phosphorus,
sulphur,
carbon
within
could
be
a
promising
direction
development
wastewater
treatment
technologies.
By
considering
interplay
cooperation
these
systems
potentially
achieve
more
comprehensive
multiple
pollutants.
Continued
in-depth
research
understanding
interactions
would
instrumental
in
exploring
innovative
integrated
solutions,
ultimately
aiming
effective
holistic
approach
treatment.
ACS ES&T Engineering,
Journal Year:
2024,
Volume and Issue:
4(4), P. 831 - 841
Published: March 26, 2024
Elemental
sulfur
autotrophic
partial
denitrification
(S0-PDN)
can
supply
nitrite
for
anaerobic
ammonium
oxidation
without
an
organic
carbon
requirement.
This
study
aimed
to
evaluate
the
impact
of
high
salinity
on
S0-PDN
and
investigate
feasibility
enhanced
strategy
involving
addition
glycine
betaine
(GB).
The
results
showed
that
inhibited
by
over
60%
as
increased
from
low
(0
5
g/L)
(10
15
levels,
even
though
Thiobacillus
(65.9%–84.0%)
was
always
dominant
genus.
reason
might
be
suppression
bioactivity.
Surprisingly,
GB
(1
mmol/L)
effectively
performance
under
conditions
g/L),
resulting
in
a
5.1-fold
increase
NO3–-N
conversion
efficiency
3.1-fold
effluent
NO2–-N
concentration.
Metagenomics
analysis
revealed
did
not
alter
microbial
composition.
facilitated
recovery
nitrate
capacity
denitrifying
bacteria
with
up-regulation
reductase
genes
(by
18.1%)
Sox
21.4%).
However,
also
stimulated
growth
heterotrophic
bacteria.
Part
produced
reduced
through
electron
donor.
Overall,
demonstrated
effective
approach
mitigate
inhibitory
effects
S0-PDN,
which
offers
valuable
theoretical
support
its
application
high-salinity
wastewater
treatment.
This
study
investigated
the
performance
of
sulfur-dominated
autotrophic
denitrification
process
under
four
different
salinities
0%,
0.5%,
3%,
and
6%,
simulating
groundwater,
sewage,
seawater,
industrial
wastewater
scenarios,
respectively.
In
terms
removal
efficiency,
nitrate
rates
at
0.5%
3%
decreased
by
5.8%
16.8%,
respectively,
compared
to
that
0%
salinity.
At
6%
salinity,
efficiency
fluctuated
during
long-term
operation,
ranging
from
56.0%
89.9%
value
According
succession
microbial
communities
across
time
salinity
gradients,
dominated
functional
microorganisms
were
ranked
their
salinity-tolerance
ability
as
low-tolerant
bacteria
(0%–0.5%:
Simplicispira,
Herpetosipin,
Thermomonas),
medium-tolerant
(0%–3%:
Thiobacillus
Sulfurimonas),
high-tolerant
(3%–6%:
Thiogranum,
Xanthomarina,
Vicingus),
halophilic
(6%:
Aequorivita).
The
molecular
ecological
network
(MEN)
revealed
increased
positive
interactions
58.7%
among
dominant
genera
occurred
confirming
an
effective
cooperation
coping
with
high-salinity
stress.
addition,
responses
primarily
exhibited
22%–45%
decrease
in
protein
content,
15%
live
cells
proportion,
a
comparable
level
genes
expression.
results
indicate
inhibition
SAD
high
is
attributed
decline
biomass
proliferation
minimal
impact
observed
gene
expression
individuals.
Environmental Technology Reviews,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Dec. 16, 2023
Anaerobic
ammonia
oxidation
(anammox)
process
is
regarded
as
an
efficient
and
cost-effective
technology
for
nitrogen
removal.
Anammox
bacteria
typically
coexist
with
other
microorganisms,
which
highlights
the
necessity
to
optimize
system,
improve
pollutant
removal
efficiency
maintain
system
stability.
This
review
mainly
focused
on
interaction
effects
of
anammox
functional
bacteria,
such
aerobic
ammonia-oxidizing
sulphur-oxidizing
sulphate-reducing
denitrifying
anaerobic
methane
phosphate-accumulating
organisms.
provided
support
emerging
insights
that
synergistic
various
related
nitrogen,
phosphorus,
sulphur,
carbon
within
could
be
a
promising
direction
development
wastewater
treatment
technologies.
By
considering
interplay
cooperation
these
systems
potentially
achieve
more
comprehensive
multiple
pollutants.
Continued
in-depth
research
understanding
interactions
would
instrumental
in
exploring
innovative
integrated
solutions,
ultimately
aiming
effective
holistic
approach
treatment.
