As
natural
and
biodegradable
biopolymers,
Polyhydroxyalkanoates
(PHA)
were
synthetized
by
aerobic
granules
sludge
(AGS)
in
a
sequential
batch
reactor
this
study.
The
effect
of
different
COD
concentrations
on
PHA
accumulation
nutrients
removal
investigated.
At
the
same
time,
pretreatment
methods
for
extraction,
including
NaClO
EPS
removing,
Na2CO3
recovering,
grinding
to
reduce
particle
size
expand
contact
area,
compared.
results
showed
that
yield
increased
more
than
2
times
(from
91.09
233.25
mgPHA/gCDW)
when
concentration
from
800
1600
mg/L.
PHB
PHV
both
accounted
half
total,
while
fraction
rose
71%
went
up
can
be
consumed
3
faster
PHV.
High
(1600
mg/L)
had
negative
stability
AGS
structure
phosphorus
efficiency,
system
always
good
nitrogen
with
ammonium
TN
efficiencies
>90%.
dominant
bacteria
shifted
Flavobacterium
Halomona
Hydrogenophaga
as
increased.
In
terms
pretreatment,
which
was
used
recovery,
best
recovery
nearly
100%
purity
efficiency
compared
pretreatments.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(3), P. 433 - 433
Published: Feb. 20, 2024
Nowadays,
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The
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demonstrating
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granular-conforming
microorganisms
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as
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entities
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their
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functions
for
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pollutants
are
interconnected
with
surrounding
microbiota.
deep
knowledge
microbial
communities
allows
improvement
system
operation,
proliferation
charge
metabolic
roles
could
modified
by
adjustments
operational
conditions.
This
why
engineering
consider
intrinsic
microbiological
aspects
obtain
most
effective
performance.
review
provides
an
extensive
view
ecology
biofilms
mitigating
water
pollution.
