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.