The
use
of
aerobic
granular
sludge
is
a
promising
and
future-proof
solution
for
wastewater
treatment.
implementation
this
technology
requires
the
development
efficient
cost-effective
methods
management
excess
sludge.
aim
research
was
to
evaluate
effects
hydrodynamic
cavitation
on
efficiency
digestion.
Respirometric
measurements
were
performed
at
temperature
38°C
an
initial
organic
load
5.0
gVS/L.
changes
in
properties
pre-treated
biomass,
kinetics
methane
fermentation,
amount
composition
biogas
produced
energetic
evaluation
process
carried
out.
A
significant
influence
transfer
compounds
into
dissolved
phase
demonstrated.
degree
solubilisation
37%
COD
42%
TOC.
CH4
production
from
reached
value
496±12
mL/gVS,
which
corresponds
increase
19.6%
compared
raw
biomass.
content
not
observed.
Strong
correlations
found
between
anaerobic
digestion
concentration
time
used.
highest
net
energy
2.89
Wh/gTS
achieved
after
15
minutes
pre-treatment.
Energies,
Journal Year:
2024,
Volume and Issue:
17(2), P. 335 - 335
Published: Jan. 9, 2024
The
use
of
aerobic
granular
sludge
is
a
promising
and
future-proof
solution
for
wastewater
treatment.
implementation
this
technology
requires
the
development
efficient
cost-effective
methods
management
excess
sludge.
aim
research
was
to
evaluate
effects
hydrodynamic
cavitation
on
efficiency
digestion.
Respirometric
measurements
were
performed
at
temperature
38
°C
an
initial
organic
load
5.0
gVS/L.
changes
in
properties
pretreated
biomass,
kinetics
methane
fermentation,
amount
composition
biogas
produced,
energetic
evaluation
process
carried
out.
A
significant
influence
transfer
compounds
into
dissolved
phase
demonstrated.
degree
solubilisation
37%
COD
42%
TOC.
CH4
production
from
reached
value
496
±
12
mL/gVS,
which
corresponds
increase
19.6%
compared
raw
biomass.
content
not
observed.
Strong
correlations
found
between
anaerobic
digestion
concentration
time
used.
gross
energy
yield
closely
correlated
with
CH4.
highest
comparable
values
3.12
Wh/gTS
3.18
variants
(HC)
15
min
50
min.
net
2890
kWh/MgTS
achieved
after
pretreatment.
Bioresource Technology,
Journal Year:
2023,
Volume and Issue:
394, P. 130195 - 130195
Published: Dec. 9, 2023
Anticancer
drugs
are
frequently
found
in
domestic
wastewater,
but
knowledge
of
their
impacts
on
wastewater
treatment
processes
is
limited.
The
effects
three
levels
concentrations
(low,
medium,
and
high)
anticancer
physicochemical
parameters
prokaryotic
communities
a
continuous-flow
aerobic
granular
sludge
(AGS)
system
were
examined.
Drugs
at
medium
high
reduced
the
removal
total
nitrogen
organic
matter
during
first
15
days
operation
by
approximately
15-20
%
compared
to
control,
these
disappeared
afterward.
Removal
efficiencies
range
51.2-100
depending
concentration
level.
abundance
diversity
altered
composition
communities.
Specific
taxa
linked
variations
performance
after
addition
drugs.
This
study
provides
improved
AGS
systems
operated
reactor.
In
response
to
increasingly
stringent
discharge
standards
and
the
imperative
elevate
wastewater
treatment
efficacy,
most
municipal
plants
in
China
are
currently
facing
significant
challenges
treating
low
strength
carbon-to-nitrogen
(C/N)
ratios
wastewater.
Therefore,
this
study,
a
novel
approach
of
using
porous
polymers
embedded
with
iron
carbon
filler
for
C/N
was
proposed.
The
results
showed
that
heavy
activated
sludge
(HAS)
formed.
This
sludge,
notable
its
small
particle
size
(average
size:
less
than
200μm),
good
settleability
(sludge
volume
index:
61
mL/g),
heightened
pollutant
removal
efficiency
(removal
rate
COD,
TN
TP
raised
by
3.09%,
14.40%
57.41%),
achieved
preliminary
formation
within
7
days
attains
stability
after
42
days.
Furthermore,
enriched
diverse
array
functional
microorganisms
carbon.
enrichment
included
denitrifying
bacteria
(unclassified_f_Caldilineaceae,
Thauera),
polyphosphate-accumulating
organisms
(Dechloromonas),
(Candidatus_Accumulibacter),
hydrolysis/fermentation
(unclassified_f_Anaerolineaceae).
these
primarily
attributed
filler,
significantly
enhancing
efficiencies
organics,
nitrogen,
phosphorus
from
