Salinity
affects
denitrification
in
bioreactors.
However,
the
effects
of
salt
stress
on
nitrogen
removal
efficiency
and
microbial
communities
sulfur
autotrophic
(SAD)
are
unclear.
The
study
evaluated
salinity’s
performance
mechanisms.
Under
salt-free
conditions,
removed
nitrate
(NO3--N)
at
an
91.12%,
rising
to
94.81%
95.53%
2
6
g/L
salinities,
respectively.
when
salinity
increased
15
25
g/L,
NO3--N
decreased
81.66%
33.63%,
respectively,
nitrite
(NO2--N)
ammonium
(NH4+-N)
byproducts
appeared.
Furthermore,
bacterial
richness,
diversity,
biomass
exceeded
g/L.
Microbiological
analyses
indicate
that
Thiobacillus
Sulfurimonas
were
salt-tolerant
reactor,
resisting
high-salinity
invasion
by
releasing
extracellular
polymeric
substances,
particularly
proteins.
results
support
development
for
industries
involving
salt.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: Feb. 14, 2024
In
this
study,
we
investigated
the
effects
of
salinity
on
elemental
sulfur-driven
autotrophic
denitrification
(SAD)
efficiency,
and
microbial
communities.
The
results
revealed
that
when
was
≤6
g/L,
nitrate
removal
efficiency
in
SAD
increased
with
increasing
reaching
95.53%
at
6
g/L
salinity.
Above
salt
concentration,
performance
gradually
decreased,
decreased
to
33.63%
25
Approximately
5
mg/L
hazardous
nitrite
detectable
15
salinity,
but
accompanied
by
generation
ammonium.
When
≥15
abundance
salt-tolerant
microorganisms,
Thiobacillus
Sulfurimonas
,
increased,
while
other
species
decreased.
This
study
provides
support
for
practical
application
saline
wastewater.
Plant Methods,
Journal Year:
2023,
Volume and Issue:
19(1)
Published: June 24, 2023
Abstract
Background
Common
reed
(Phragmites
australis
L.)
is
a
highly
productive
wetland
plant
and
possible
valuable
resource
of
renewable
biomass
worldwide.
For
sustainable
management
the
exploitation
beneficial
because
increasing
demand
for
which
presents
bed
areas
wetlands.
Knowing
properties
obtained
from
reeds
essential
both
effect
on
combustion
equipment
impact
environment.
Brates
Lake,
situated
in
Galati,
Romania
natural
watershed
with
plantations.
Results
We
used
convolutional
neural
network
method
combined
cropped
image
techniques
represent
powerful
tool
high-precision
image-based
detection
lake
areas.
The
study
aimed
to
investigate
morphological
chemical
parameters
through
SEM–EDX
analysis
pH,
conductivity,
nitrate
anion,
nitrite
total
nitrogen,
sulphate
sulphide
phosphate
anion
concentrations
were
determined
extract.
samples
have
moderately
acidic
reaction
pH
4.91–4.98.
number
soluble
salts
extract
range
3.24–4.70
g/L,
values
are
within
normal
limits,
providing
necessary
nutrients.
Conclusions
This
first
time
that
networks
prediction
at
risk
biodiversity
(reduction
water
gloss
until
it
disappears,
imbalances
caused
by
keeping
dry
water)
aggressive
uncontrolled
growth
reeds.
