Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
491, P. 151972 - 151972
Published: May 6, 2024
This
study
presents
a
mechanistic
approach
to
explore
the
key
operational
parameters
governing
flux
performance
of
an
SAnMBR
system
coupled
with
ceramic
flat-sheet
ultrafiltration
membrane.
Experiments
were
conducted
at
mixed
liquor
suspended
solid
(MLSS)
concentrations
12,
18,
and
24
g/L
using
biogas
sparging,
backwashing,
combination
both
investigate
most
effective
fouling
mitigation
strategy
by
exploring
mechanism
critical
regime.
To
validate
experimental
findings,
mathematical
model
was
used
simulate
time-based
variation
membrane
pore
radius
(m),
decrease
in
porosity
(%),
thickness
cake
layer
resistance
(1/m).
The
found
that
low
biomass
concentration,
there
sharp
decline
leading
increase
absence
any
strategies.
However,
implementing
these
strategies
individually
combination,
they
maintained
higher
controlled
even
high
concentrations.
It
observed
sparging
outperformed
conventional
backwashing
exhibited
superior
attaining
rates
for
prolonged
duration.
advanced
spectroscopic
analysis
confirmed
presence
concentration
polysaccharides
responsible
biofouling,
significant
blocking
due
inorganic
foulants
suggests
must
be
operated
optimised
levels
below
sustained
operation.
Additionally,
identified
provide
precise
assessment
performance,
improve
its
design
efficiency
field
applications.
Applied Sciences,
Journal Year:
2023,
Volume and Issue:
13(11), P. 6466 - 6466
Published: May 25, 2023
In
recent
years,
significant
progress
has
been
achieved
in
developing
the
potential
of
anaerobic
membrane
bioreactors
(AnMBRs).
The
present
paper
presents
a
comprehensive
review
studies
focused
on
biogas
production
via
treatment
municipal
and
domestic
wastewater
with
use
such
technology.
main
aim
current
work
was
to
evaluate
impact
operating
parameters
yield.
Moreover,
possibilities
applying
various
fouling
mitigation
strategies
have
discussed
detail.
Analyses
performed
reported
literature,
which
were
conducted
submerged
external
AnMBRs
equipped
both
polymeric
ceramic
membranes.
It
shown
that,
so
far,
hydraulic
retention
time
(HRT)
yield
is
ambiguous.
This
finding
indicates
that
future
this
issue
are
required.
addition,
it
demonstrated
temperature
positive
process
performance.
However,
as
presented
investigations
carried
out
mainly
under
psychrophilic
mesophilic
conditions.
Hence,
performing
further
experimental
at
temperatures
above
40
°C
highly
recommended.
order
restore
initial
permeate
flux,
combination
several
cleaning
methods
often
findings
study
may
be
particularly
important
for
determination
conditions
suitable
laboratory-scale
pilot-scale
used
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
491, P. 151972 - 151972
Published: May 6, 2024
This
study
presents
a
mechanistic
approach
to
explore
the
key
operational
parameters
governing
flux
performance
of
an
SAnMBR
system
coupled
with
ceramic
flat-sheet
ultrafiltration
membrane.
Experiments
were
conducted
at
mixed
liquor
suspended
solid
(MLSS)
concentrations
12,
18,
and
24
g/L
using
biogas
sparging,
backwashing,
combination
both
investigate
most
effective
fouling
mitigation
strategy
by
exploring
mechanism
critical
regime.
To
validate
experimental
findings,
mathematical
model
was
used
simulate
time-based
variation
membrane
pore
radius
(m),
decrease
in
porosity
(%),
thickness
cake
layer
resistance
(1/m).
The
found
that
low
biomass
concentration,
there
sharp
decline
leading
increase
absence
any
strategies.
However,
implementing
these
strategies
individually
combination,
they
maintained
higher
controlled
even
high
concentrations.
It
observed
sparging
outperformed
conventional
backwashing
exhibited
superior
attaining
rates
for
prolonged
duration.
advanced
spectroscopic
analysis
confirmed
presence
concentration
polysaccharides
responsible
biofouling,
significant
blocking
due
inorganic
foulants
suggests
must
be
operated
optimised
levels
below
sustained
operation.
Additionally,
identified
provide
precise
assessment
performance,
improve
its
design
efficiency
field
applications.