The
effect
of
hydrolysate
and
eluate
recirculation
on
the
solubilization
waste
activated
sludge
during
microwave-alkali
treatment
was
examined.
results
showed
that
numbers
had
a
significant
impact
carbon
sources
nutrients
recovery
from
sludge.
As
were
recirculated
twice,
concentrations
sCOD,
PO43-
NH4+
in
increased
by
1.50
5.02,
1.36
5.23,
1.61
4.98
times,
respectively.
And
dissolution
efficiency
COD,
TP,
TN
reached
64.15%,
81.95%,
68.50%,
However,
as
number
further,
their
values
changed
slightly
became
worse.
Longer
elutriation
time
can
effectively
alleviate
problem
low
caused
recirculation.
Furthermore,
strategy
significantly
reduced
generation
66.67%,
water
required
for
process
50.83%.
This
study
demonstrated
is
an
effective
to
improve
To
destabilize
the
microstructure
resulting
from
microorganism
physiology
and
substance
combination
in
waste-activated
sludge
(WAS),
this
study
proposes
a
novel
approach
by
employing
nonionic
surfactants
for
pretreatment
with
specific
focus
on
alkyl
polyglucosides
(APG).
Inspired
enhanced
dispersibility
targeted
hydrophobic
interactions
of
at
low
doses,
strategically
applies
APG
0.05
0.10
g/g
TS,
which
boosted
biogas
production
49.7
62.9%,
respectively,
compared
to
control
group.
The
analysis
showed
that
assembly
functional
groups
EPS
surface
free
energy
particles
led
evacuation
TB-EPS.
Microbial
diversity
reveals
shifts
bacteria
archaea
response
pretreatment,
significant
as
Azonexus,
Syntrophomonas,
Lutispora,
Methanosarcina
emerge
new
dominant
genera.
When
adding
dose
(<0.10
TS),
destabilization
(weakening
nonfunctional
binding
between
biological
enzymes)
increase
freedom
activity
enzymes
involved
methane
metabolism
pathways.
This
can
provide
valuable
insights
interface
regulation
efficient
biomass
recovery
complex
organic
waste.
