Water,
Journal Year:
2024,
Volume and Issue:
16(21), P. 3040 - 3040
Published: Oct. 23, 2024
In
order
to
investigate
the
enhancement
mechanism
of
modified
three-dimensional
elastic
filler
(MTEF)
on
nitrogen
removal
performance
integrated
fixed-film
activated
sludge
(IFAS)
process,
and
clarify
interactions
between
competition
synergy
biofilm
in
IFAS
system,
an
reactor
(T2)
filled
with
MTEF
was
employed
for
study,
while
a
sequencing
batch
process
(SBR)
(T1)
utilized
comparison.
SBR
reactors
were
operated
over
extended
period
at
ambient
temperature
assess
pollutant
addition
competitive
dynamics
under
varying
influent
water
qualities
(C/N,
N/P,
organic
loading),
analyze
synergistic
relationship
microbial
level
using
high-throughput
technology.
The
results
demonstrate
that
throughout
entire
operational
phase,
T2
exhibited
superior
efficiency.
Compared
T1,
achieved
average
increase
rates
COD,
ammonia
nitrogen,
total
by
13.07%,
12.26%,
28.96%,
respectively.
findings
indicate
nitrification
volumetric
load
system
is
significantly
higher
than
pure
suggesting
possesses
enhanced
capabilities.
Furthermore,
when
dealing
wastewater
characterized
low
C/N
ratios
high
phosphorus
pollution,
or
substantial
loads,
holds
edge
exhibits
improved
stability.
High-throughput
data
reveal
community
structures
can
influence
each
other,
thereby
enabling
effectively
enrich
denitrification-related
functional
populations.
Additionally,
has
certain
enhancing
effect
expression
levels
metabolism-related
genes
phase
microorganisms,
indicating
that,
interactions,
there
also
sludge.
