Environmental Technology & Innovation,
Год журнала:
2023,
Номер
32, С. 103394 - 103394
Опубликована: Окт. 7, 2023
Anaerobic
membrane
bioreactors
(AnMBRs)
have
been
widely
applied
for
wastewater
treatment
and
resource
recovery,
but
face
several
technical
challenges,
such
as
unstable
methane
(CH4)
production,
limited
contaminant
removal,
fouling.
Zero-valent
iron
(ZVI)
can
be
a
potential
additive
to
improve
AnMBRs
performance
by
regulating
anaerobic
reaction
conditions,
electron
transfer
modes
microbial
community
structure.
Thus,
this
review
critically
evaluated
the
role
of
ZVI
advance
recovery.
Key
physicochemical
characteristics
were
analyzed
highlight
its
enhancement.
The
modification
assist
AnMBRs,
regarding
CH4
removal
fouling,
discussed.
Furthermore,
future
perspectives
development
ZVI-assisted
toward
industrial
application
practical
recovery
provided.
Chemical Engineering Journal,
Год журнала:
2024,
Номер
486, С. 150260 - 150260
Опубликована: Март 8, 2024
Anaerobic
membrane
bioreactors
hold
immense
promise
for
wastewater
treatment
owing
to
their
elevated
organic
load
tolerance,
cost-effectiveness,
and
potential
energy
recovery.
Nevertheless,
fouling
is
a
significant
impediment
its
widespread
implementation.
This
review
focuses
on
utilizing
eco-friendly
bioflocculants
control
in
anaerobic
bioreactors.
Initially,
it
provides
comprehensive
overview
of
the
mechanisms
mitigating
fouling.
Subsequently,
examines
performance,
mechanisms,
influencing
factors
reducing
by
AnMBRs.
Charge
density,
molecular
weight,
bioflocculant
dosage,
feed
water
properties,
operational
parameters
can
affect
efficacy.
The
primary
mechanism
helpful
reduce
concentrations
Extracellular
Polymeric
Substances
(EPS)
Soluble
Microbial
Products
(SMP)
Additionally,
conventional
methods
are
introduced
compared
with
bioflocculants,
emphasizing
notable
advantages,
such
as
biodegradability,
low
toxicity,
availability,
cost-effectiveness.
In
conclusion,
outlines
challenges
associated
elucidates
directions
future
development.
International Journal of Science and Research Archive,
Год журнала:
2024,
Номер
11(1), С. 1830 - 1842
Опубликована: Фев. 17, 2024
Anaerobic
membrane
bioreactors
(AnMBRs)
represent
an
innovative
approach
to
wastewater
treatment,
combining
anaerobic
digestion
with
filtration
achieve
efficient
organic
pollutant
removal
and
resource
recovery.
This
review
critically
examines
the
potential
of
AnMBRs
in
highlighting
their
principles,
advantages,
challenges,
recent
advancements,
future
prospects.
offer
several
advantages
over
traditional
aerobic
treatment
methods,
including
higher
loading
rates,
reduced
energy
requirements,
biogas
production
through
methane
generation.
However,
challenges
such
as
fouling,
reactor
complexity,
operational
costs
have
limited
widespread
adoption.
Recent
advancements
materials,
fouling
mitigation
strategies,
process
optimization
improved
AnMBR
performance
feasibility.
Novel
materials
enhanced
resistance
durability
been
developed,
while
cleaning
techniques
protocols
implemented
mitigate
prolong
lifespan.
Process
design
modifications
parameter
adjustments,
efficiency
consumption
AnMBRs.
Future
research
directions
technology
focus
on
optimizing
configurations,
exploring
novel
control
conducting
comprehensive
techno-economic
assessments
evaluate
environmental
economic
sustainability
Integration
emerging
technologies
distillation,
forward
osmosis,
bioelectrochemical
systems
holds
promise
for
further
enhancing
recovery
capabilities.
Additionally,
addressing
knowledge
gaps
mechanisms,
microbial
community
dynamics,
long-term
system
stability
is
crucial
advancing
facilitating
its
implementation
treatment.
Overall,
significant
sustainable
providing
opportunities
removal,
recovery,
reuse.
By
technical
parameters,
interdisciplinary
research,
can
contribute
development
efficient,
cost-effective,
environmentally
friendly
solutions,
ultimately
supporting
goal
achieving
cleaner
water
resources
a
more
future.
Processes,
Год журнала:
2023,
Номер
11(3), С. 855 - 855
Опубликована: Март 13, 2023
The
presence
of
dyes
in
aquatic
environments
can
have
harmful
effects
on
life,
including
inhibiting
photosynthesis,
decreasing
dissolved
oxygen
levels,
and
altering
the
behavior
reproductive
patterns
organisms.
In
initial
phase
this
review
study,
our
aim
was
to
examine
categories
properties
as
well
impact
their
toxicity
environments.
Azo,
phthalocyanine,
xanthene
are
among
most
frequently
utilized
dyes,
almost
70–80%
used
industrial
processes
been
identified
some
commonly
occurring
water
bodies.
Apart
from
that,
ecosystems
were
discussed.
Toxicity
testing
relies
heavily
two
key
measures:
LC50
(half-lethal
concentration)
EC50
(half-maximal
effective
concentration).
a
recent
microalgae
exposed
Congo
Red
displayed
minimum
4.8
mg/L,
while
fish
Disperse
Yellow
7
exhibited
0.01
mg/L.
Anaerobic
membrane
bioreactors
(AnMBRs)
promising
method
for
removing
second
stage
effectiveness
different
AnMBRs
evaluated.
Hybrid
with
innovative
designs
shown
capacity
eliminate
completely,
reaching
up
100%.
Proteobacteria,
Firmicutes,
Bacteroidetes
found
be
dominant
bacterial
phyla
applied
dye
treatment.
However,
fouling
has
significant
drawback
AnMBRs,
techniques
required
address
issue
future.
