E3S Web of Conferences,
Год журнала:
2023,
Номер
385, С. 02032 - 02032
Опубликована: Янв. 1, 2023
Membrane
bioreactor
(MBR)
is
an
efficient
wastewater
treatment
technology,
which
produced
by
combining
membrane
technology
and
biological
has
the
characteristics
of
stable
water
quality
shock
load
resistance,
been
widely
used
in
domestic
treatment.
Anaerobic
ammonia
oxidation
(ANAMMOX)
a
new
type
denitrification
with
advantages
low
energy
consumption,
oxygen
demand,
carbon
source
saving
good
economic
benefits.
This
paper
introduces
principle
MBR
nitrification-anaerobic
reactor
process
analysis
process.
Prospects
anaerobic
are
foreseen.
Desalination and Water Treatment,
Год журнала:
2024,
Номер
319, С. 100552 - 100552
Опубликована: Июнь 20, 2024
The
study
assessed
the
effectiveness
of
treatment
processes
in
removing
organic
matter,
biogenic
compounds
and
suspended
solids
at
subsequent
stages
one
Polish
municipal
wastewater
plant.
In
a
comprehensive
mechanical-biological
treatment,
for
all
tested
pollution
indicators,
i.e.
biochemical
oxygen
demand
(BOD5),
chemical
(COD),
total
nitrogen
(TN),
phosphorus
(TP)
(TSS),
outstanding
results,
surpassing
regulatory
standards,
were
obtained.
achieved
average
percentage
reduction
was
from
87%
TN
(standard
deviation
2.7%)
to
99%
BOD5
0.3%).
observed
BOD5/COD
ratio
0.45
aligned
with
typical
values
reported,
decrease
0.13
after
biological
underscored
efficacy
these
decomposition
managing
difficult-to-degrade
substances.
BOD5/TN
emphasized
maintaining
well-balanced
proportions
between
carbon
compounds.
Moreover,
raw
sewage
showed
notable
susceptibility
removal,
indicated
by
highest
6.72,
suggesting
high
propensity
biodegradation.
This
highlighted
that
BOD5/TP
value
56
significant
compound
removal.
treated
consistently
adhered
environmental
regulations,
demonstrating
minimal
variability
indicators.
That
meeting
stringent
standards
achieving
reductions
pollutants.
Effective
is
even
more
significant,
because
it
possible
reuse
e.g.
irrigation
agriculture,
what
contributes
sustainable
water
management.
Toxics,
Год журнала:
2024,
Номер
12(9), С. 629 - 629
Опубликована: Авг. 26, 2024
Simultaneous
partial
nitrification,
anammox,
denitrification,
and
fermentation
(SNADF)
is
a
novel
process
achieving
simultaneous
advanced
sludge
reduction
nitrogen
removal.
The
influence
of
low
temperatures
on
the
SNADF
reactor
was
explored
to
facilitate
application
mainstream
anammox.
When
temperature
decreased
from
32
16
°C,
efficient
removal
achieved,
with
efficiency
81.9-94.9%.
Microbial
community
structure
analysis
indicated
that
abundance
Processes,
Год журнала:
2024,
Номер
12(10), С. 2261 - 2261
Опубликована: Окт. 16, 2024
Pond
aquaculture
is
an
important
aquacultural
model
worldwide
in
which
ammonia-oxidizing
bacteria
(AOB)
are
crucial
for
the
removal
of
ammonia
from
water.
The
influence
light
irradiation
on
AOB
pond
was
studied
using
artificial
simulation
wastewater
under
dark/light
cycles
24
h/0
h
(L0),
12
h/12
(L12),
and
0
h/24
(L24).
oxidation
rates
(AORs)
groups
L0,
L12,
L24
were
9.88
±
0.19
mg
h−1,
6.01
0.32
1.85
0.09
respectively.
Long-term
exposure
to
had
a
serious
impact
AOR
decreased
abundance
Nitrosomonas
spp.
their
monooxygenase
genes.
To
determine
protective
effect
microalgae
AOB,
different
doses
freeze-dried
Chlorella
powder
added
nitrifying
community.
photoinhibition
rate
chlorophyll
(Chla)
with
300
1300
µg
L−1
32.85%
28.77%,
respectively,
while
Chla
2200
Chlorella-added
group
only
0.01%,
no
significant
differences
(p
>
0.05)
between
treatment
subgroups.
Fluorescence
situ
hybridization
showed
that
nitrite-oxidizing
bacteria,
algae
coexist
grow
together
without
free
bacterial
It
suggested
enhance
resistance
through
shading
provided
by
algal
close
symbiotic
relationship
AOB.
