Toxics,
Journal Year:
2025,
Volume and Issue:
13(2), P. 131 - 131
Published: Feb. 11, 2025
Aquaculture
wastewater
treatment
not
only
assists
in
alleviating
the
scarcity
of
clean
water
for
daily
usage
and
environmental
pollution,
but
also
generates
valuable
byproducts.
This
paper
aims
to
review
generation
from
aquaculture
sector,
its
characteristics,
available
technologies,
while
comprehensively
discussing
adoption
a
biocircular
economy
approach
through
waste
valorization.
With
rich
nutrients,
such
as
nitrogenous
compounds,
presence
phosphorus
effluent,
these
aspects
could
be
explored
valorized
into
biofertilizers,
broadening
their
application
aquaponics
hydroponics,
well
algae
daphnid
cultivation.
Biofertilizer
can
used
agriculture
because
it
contains
essential
elements
needed
by
plants.
Thus,
methods
converting
nutrients
biofertilizers
terms
sludge
recovery
accomplished
via
anaerobic
aerobic
digestion,
drying,
composting,
vermicomposting.
Moving
forward,
effluent
is
addressed
under
re-engaging
effluents
production
cycle.
The
enhancement
biomass
uses
aquaponics,
cultivation,
co-cultivation,
presents
opportunities
nutrient
ensuring
that
non-toxic
safely
discharged
external
bodies.
has
potential
revolutionize
aquaculture,
shifting
economic
model
management
linear
system
circular,
more
sustainable
one.
New Biotechnology,
Journal Year:
2023,
Volume and Issue:
78, P. 84 - 94
Published: Oct. 9, 2023
Microalgae-based
wastewater
treatment
has
been
conceived
to
obtain
reclaimed
water
and
produce
microalgal
biomass
for
bio-based
products
biofuels
generation.
However,
harvesting
is
challenging
expensive,
hence
one
of
the
main
bottlenecks
full-scale
implementation.
Finding
an
integrated
approach
that
covers
concepts
engineering,
green
chemistry
application
microbial
anabolism
driven
towards
processes,
mandatory
widespread
establishment
microalgae
plants.
By
using
nature-based
substances
applying
chemical
functionalization
in
already
established
methods,
costs
processes
could
be
reduced
while
preventing
contamination.
Moreover,
produced
during
have
unique
culture
characteristics,
such
as
consortia,
which
are
primarily
composed
bacteria,
should
accounted
prior
downstream
processing.
The
aim
this
review
examine
recent
advances
recovery
systems,
considering
impact
consortia
variability.
available
technologies,
coagulation/flocculation,
coupled
sedimentation
differential
air
flotation,
provided.
Additionally,
promising
technologies
discussed,
including
autoflocculation,
bioflocculation,
new
filtration
materials,
nanotechnology,
microfluidic
magnetic
methods.
Energy & Fuels,
Journal Year:
2023,
Volume and Issue:
37(5), P. 3570 - 3589
Published: Feb. 16, 2023
Global
warming
has
emerged
as
a
major
problem
for
humanity
in
this
anthropocentric
period.
The
constantly
rising
amount
of
carbon
dioxide
(CO2)
the
atmosphere
caused
global
warming,
which
series
changes
Earth's
climate
and
weather
systems.
Rapid
anthropogenic
activity
such
industrialization
urbanization
led
to
increasing
CO2
level
environment.
is
captured
utilized
source
synthesizing
various
value-added
products
through
physical
chemical
methods.
However,
techniques
do
not
provide
an
ecologically
friendly
or
cost-effective
procedure.
Some
advanced
innovative,
environmentally
green
methods
based
on
photosynthesis,
microbial
electrosynthesis,
gas
fermentation
processes
can
help
clean
by
sequestering
producing
from
CO2.
This
approach
potential
reduce
greenhouse
emissions,
increase
productivity,
create
new
economic
opportunities.
In
review,
we
found
that
photosynthetic
process
high
capacity
sequestration.
contrast,
electrosynthesis
have
efficiency
product
synthesis.
These
biological
sequestration
technologies
contribute
sustainability
process.
each
method
its
own
strengths
weaknesses,
choice
will
depend
specific
goals
resources
project.
report
also
defined
influencing
factors
photosynthetic,
optimized
development
these
technologies,
while
challenges
future
directions
are
discussed.
Journal of Water Process Engineering,
Journal Year:
2023,
Volume and Issue:
53, P. 103869 - 103869
Published: June 1, 2023
Coagulation–flocculation
is
currently
the
best
practice
for
aquaculture
effluent
treatment,
and
biobased
compounds
are
emerging
as
coagulant/flocculants.
This
study
aimed
to
characterize
bioflocculant
produced
from
Serratia
marcescens
applied
it
treat
artificial
turbid
water
(kaolin
substrate)
real
using
combination
of
one
variable
at
a
time
(OVAT)
response
surface
methodology
(RSM)
analyses.
The
by
S.
was
characterized
anionic
flocculant
with
isoelectric
point
pH
1.7
13.3.
At
7,
its
protein
content
1.3
μg/mL,
total
carbohydrate
level
0.53
mg/L.
consisted
various
carboxylic
acids
enzyme
intermediates,
indicating
presence
polysaccharides
protein.
Comparison
optimized
treatment
conditions
between
OVAT
RSM
showed
that
rapid
mixing
speed,
slow
time,
sedimentation
were
most
influential
factors
coagulation–flocculation.
required
lower
speed
(125
rpm)
shorter
(39
min)
than
wastewater
(160
rpm
67
min,
respectively).
low
performance
in
treating
due
more
complex
characteristics
compared
those
kaolin
substrate.
characterization
terms
level,
content,
has
never
been
reported.
obtained
results
may
provide
an
insight
into
potential
this
compound
substitute
widely
used
chemical
flocculants
reliable
performance.
findings
also
be
basis
upscale
coagulation–flocculation
being
laboratory
wastewater,
especially
use
compounds.
