The
enhanced
biological
phosphorus
removal
(EBPR)
process
requires
alternate
anaerobic
and
aerobic
conditions,
which
are
regulated
respectively
by
aeration
off
on.
Recently,
in
an
ordinary
EBPR
reactor,
abnormal
orthophosphate
concentration
(PO43--P)
decline
the
stage
(namely
non-aerated
uptake)
aroused
attention.
It
was
not
occasionally
but
occurred
each
cycle
lasted
for
101
days,
shared
about
16.63%
total
P
uptake
amount.
After
excluding
bio-mineralization
surface
re-aeration,
indoor
light
conditions
(180-260
lux)
inducing
confirmed.
High-throughput
sequencing
analysis
revealed
that
cyanobacteria
could
produce
oxygen
via
photosynthesis,
inhabited
on
inside
wall
biofilm.
were
incubated
a
feeding
transparent
silicone
hose,
entered
reactor
along
with
influent,
outcompeted
Chlorophyta,
existed
inoculum.
Besides,
cooperation
of
microalgal-bacterial
biofilm-sludge
proposed
to
reduce
CO2
emissions
energy
consumption.
Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
317, P. 100299 - 100299
Published: Jan. 1, 2024
Traditional
activated-sludge
treatment
technologies,
such
as
anaerobic/anoxic/aerobic
processes,
oxidation
ditch
and
sequential
batch
reactors,
play
a
crucial
role
in
the
removal
of
nitrogen
phosphorus
from
municipal
wastewater.
The
synergistic
interactions
among
functional
microorganisms,
primarily
nitrogen-removal
organisms
phosphorus-accumulating
organisms,
are
paramount
these
processes.
However,
traditional
activated
sludge
technology
consumes
large
amounts
energy
produces
substantial
volume
waste-activated
sludge,
necessitating
upgrade
wastewater
plants
(WWTPs)
focusing
on
sustainable
development
goals.
This
review
analyzes
characterizes
key
microorganisms
(Nitrosomonas,
Nitrosospira,
Nitrobacter,
Nitrospira,
Thauera,
Pseudomonas,
Candidatus
Brocadia,
Kuenenia,
Accumulibacter)
involved
treatment.
It
also
explores
impact
operating
conditions,
influent
quality,
reactor
configurations
regulation
for
efficient
nutrient
removal,
with
emphasis
upgrading
reconstructing
techniques
full-scale
anaerobic
ammonium
(anammox)
Integrated
fixed-film
sludge-based
(IFAS),
aerobic
granular
(AGS),
moving
bed
biofilm
(MBBR)
technologies
promising
to
enhance
transform
conventional
realizing
new
engineering
applications
practices.
Other
developments
use
heterotrophic
denitrifying
bacteria
Thauera
anammox
(Candidatus
Brocadia
Kuenenia)
mainstream
partial
denitrification/anammox
which
potentially
expandable
WWTPs.
Water,
Journal Year:
2023,
Volume and Issue:
15(14), P. 2556 - 2556
Published: July 12, 2023
Anaerobic
ammonia
oxidation
(anammox)
process
is
known
as
a
low-energy
and
environmentally
friendly
for
treating
nitrogen-rich
wastewater.
Anammox
bacteria
are
the
key
microorganisms
to
achieve
this
biological
process.
However,
efficient
enrichment
of
anammox
has
been
bottleneck
its
practical
application
because
their
slow
growth
high
sensitivity,
no
pure
culture
found.
Therefore,
development
bacterial
techniques
great
theoretical
value.
Solving
problem
activity
improving
denitrification
performance
one
current
research
hotspots.
In
paper,
three
aspects
described
in
terms
physiological
properties,
environmental
influencing
factors,
short-term
starvation
tolerance;
systematic
review
latest
progress
accelerating
using
strategies
regulation,
construction
granulation
models,
suspended
sludge
biomass
management,
strain
preservation.
Finally,
future
frontier
was
discussed
foreseen.
