Waste Management,
Год журнала:
2024,
Номер
177, С. 203 - 210
Опубликована: Фев. 9, 2024
Fish
canning
industries
generate
large
amounts
of
solid
waste
during
their
processing
operations,
creating
a
significant
environmental
challenge.
Nonetheless,
this
can
be
efficiently
and
sustainably
treated
through
anaerobic
digestion.
In
study,
the
potential
biogas
production
from
digestion
thermally
pretreated
co-digested
tuna
was
investigated.
The
thermal
pretreatment
raw
fish
viscera
resulted
in
50
%
increase
methane
yield,
with
0.27
g
COD-CH
Fermentation,
Год журнала:
2022,
Номер
8(12), С. 728 - 728
Опубликована: Дек. 12, 2022
Recycling
bioresources
is
the
only
way
to
sustainably
meet
a
growing
world
population’s
food
and
energy
needs.
One
of
ways
do
so
by
using
agro-industry
wastewater
cultivate
microalgae.
While
industrial
production
microalgae
requires
large
volumes
water,
existing
processes
generate
with
eutrophicating
nutrients
organic
carbon
that
must
be
removed
before
recycling
water
back
into
environment.
Coupling
these
two
can
benefit
flourishing
microalgal
industry,
which
agro-industry,
could
gain
extra
revenue
converting
waste
stream
bioproduct.
Microalgal
biomass
used
produce
energy,
nutritional
biomass,
specialty
products.
However,
there
are
challenges
establishing
stable
circular
processes,
from
selection
adaptation
pretreating
reclaiming
residues.
This
review
discusses
potential
residues
for
production,
particular
interest
in
composition
use
important
primary
(raw)
secondary
(digestate)
effluents
generated
volumes:
sugarcane
vinasse,
palm
oil
mill
effluent,
cassava
processing
waster,
abattoir
wastewater,
dairy
aquaculture
wastewater.
It
also
overviews
recent
examples
aspects
process
integration
possible
products,
avoiding
xenobiotics
heavy
metal
recycling.
As
virtually
all
agro-industries
have
boilers
emitting
CO2
use,
many
industries
anaerobic
digestion
reclaim
cultivation,
gaseous
discussed
text.
Journal of Agricultural and Food Chemistry,
Год журнала:
2023,
Номер
71(46), С. 17494 - 17509
Опубликована: Ноя. 8, 2023
A
major
challenge
facing
sustainable
seafood
production
is
the
voluminous
amounts
of
nutrient-rich
side
streams
consisting
by-catch,
processing
discards,
and
process
effluents.
There
a
lack
comprehensive
model
for
optimal
valorization
streams.
Upcoming
green
chemistry-based
has
potential
to
recover
diverse
valuable
compounds
from
in
an
ecofriendly
manner.
Microbial
enzymatic
bioconversions
form
processes
capable
releasing
biomolecules
matrices
under
mild
conditions.
Novel
solvents,
because
their
low
toxicity
recyclable
nature,
can
extract
bioactive
compounds.
Nonthermal
technologies
such
as
ultrasound,
supercritical
fluid,
membrane
filtration
complement
extractions.
The
extracted
proteins,
peptides,
polyunsaturated
fatty
acids,
chitin,
chitosan,
others
function
nutraceuticals,
food
supplements,
additives,
etc.
Green
address
environmental,
economic,
technological
challenges
streams,
thereby
supporting
production.
also
encourage
bioenergy
Multiple
processes,
integrated
marine
biorefinery,
optimize
on
zero-waste
trade-off,
circular
blue
economy.
framework
meet
Sustainable
Development
Goals
(SDGs)
United
Nations.
Fermentation,
Год журнала:
2023,
Номер
9(2), С. 94 - 94
Опубликована: Янв. 20, 2023
Recirculating
aquaculture
systems
(RAS)
are
efficient
at
solid
waste
capture
and
collection
but
generate
a
concentrated
stream.
Anaerobic
digestion
(AD)
could
be
one
potential
treatment
option
for
RAS
facilities.
However,
the
concentration
of
organic
matter
in
sludge
can
significantly
affect
biogas
quality
from
AD.
This
study
evaluated
effect
fish
(FS)
on
quality.
Three
FS
treatments
consisted
different
initial
total
concentrations
(1.5%,
2.5%,
3.5%)
mixture
produced
by
Atlantic
salmon
(Salmo
salar)
rainbow
trout
(Oncorhynchus
mykiss).
Methane
(CH4)
production
was
measured,
quantified,
normalized
volatile
solids
(VS)
basis.
The
highest
23%
more
CH4
than
lowest
(519
mL/g
VS
versus
422
VS,
respectively).
Peak
occurred
Day
7
(78.2
mL/day),
while
peaked
11
(96
mL/day).
hydrogen
sulfide
(H2S)
ranged
1803–2074
ppm
across
treatments,
signifying
requirement
downstream
unit
processes
H2S
removal
biogas.
Overall,
this
demonstrated
that
increasing
enhance
without
affecting
stability
process.
Journal of Marine Science and Engineering,
Год журнала:
2024,
Номер
12(7), С. 1192 - 1192
Опубликована: Июль 16, 2024
In
aquaculture,
it
is
crucial
to
understand
and
mitigate
the
carbon
footprint
for
sustainable
production.
As
demand
seafood
increases,
various
production
techniques
compete
an
eco-friendly
status.
This
review
examines
of
land-based
marine
aquaculture
systems,
highlighting
their
environmental
impact.
Through
exploring
innovations
best
practices,
navigates
complexities
reducing
emissions
promoting
sequestration.
Some
proposals
this
purpose
are
based
on
diversification
through
low-trophic-level
species,
preservation
high-carbon
sequestration
sites,
polyculture,
organic
improvements
in
nutrition,
feeding,
waste
energy
management.
sense,
some
systems
progressively
adapting
updating
zootechnical
procedures.
Recirculating
Aquaculture
Systems
(RASs)
offer
interesting
advantages
such
as
water
conservation,
pollution
reduction
biosecurity.
Integrated
Multi-Trophic
(IMTAs)
aim
address
two
major
issues
aquaculture:
efficient
usage
impact
effluents,
which
rich
particles
dissolved
nutrients
from
undigested
food
feces;
hence,
these
involve
cultivating
multiple
species
(polyculture).
Biofloc
Technology
(BFT)
formation
bioflocs
a
culture
medium.
These
can
enhance
feeding
efficiency
management,
thus
optimizing
nutrient
utilization
minimizing
impact,
achieved
reduced
fertilizer
usage.
Traditional
(extensive)
operate
with
minimal
input
feed
chemicals,
relying
heavily
natural
productivity
ecosystems;
thus,
need
manufactured
feed,
associated
transportation
overall
costs
significantly
reduced.
Overall,
while
RASs,
BFT
extensive
general
significant
sustainability
benefits,
IMTA’s
holistic
approach
ecosystem
management
recycling
makes
it,
our
estimation,
most
effective
method
terms
ecological
aquaculture.
However,
its
quantitative
evaluation
extremely
complex,
there
currently
lack
references
about
global
footprint.
Therefore,
further
research
development
required,
well
collaboration
knowledge-sharing
among
stakeholders.
Water,
Год журнала:
2024,
Номер
16(24), С. 3718 - 3718
Опубликована: Дек. 23, 2024
This
review
provides
a
comprehensive
overview
of
the
advancements
and
challenges
anaerobic
digestion
technology
in
waste
stream
treatment
plants
under
framework
circular
economy,
emphasizing
its
role
achieving
“dual
carbon”
goals.
As
climate
change
intensifies,
with
contributing
significantly
to
global
emissions,
there
is
pressing
need
optimize
energy
efficiency
reduce
carbon
outputs
this
sector.
Anaerobic
highlighted
as
solution
for
converting
organic
into
renewable
biogas
digestate,
enabling
self-sufficiency
reducing
greenhouse
gasses.
The
study
highlights
that
enables
conversion
nutrient-rich
facilitating
significant
reductions
GHG
emissions.
Successful
implementations,
such
Weifang,
China,
demonstrate
feasibility
upgrading
biomethane
local
use.
Advanced
technologies
like
bioelectrochemical
methanation
membrane
bioreactors
enhance
production
efficiency,
while
co-digestion
proves
effective
even
challenging
conditions.
Despite
these
advancements,
identifies
critical
challenges,
including
high
investment
costs,
technical
inefficiencies,
regulatory
barriers,
particularly
developing
countries.
insights
integrating
economy
principles
offers
foundation
future
policies
research
aimed
at
neutrality
sustainable
management.
Horticulturae,
Год журнала:
2025,
Номер
11(1), С. 57 - 57
Опубликована: Янв. 8, 2025
Interest
among
consumers
in
the
availability
of
organically
produced
fruits
and
vegetables
is
increasing.
Seafood
demand
increasingly
being
met
by
fish
raised
using
aquaculture
methods
that
provide
excretory
products
can
meet
organic
standards
for
nutrient
sources
vegetables.
We
conducted
an
experiment
a
glass
greenhouse
to
evaluate
biosolids
as
substrate
amendment
tomato
transplant
production.
compared
treatment
several
different
fertilizers,
along
with
commonly
used
inorganic
slow-release
fertilizer
(Osmocote).
All
treatments
target
N
concentration
400
mg/L
incorporated
into
we
also
included
200
800
mg
N/L.
Plant
performance
was
monitored
4
weeks
starting
commercially
available
2-week-old
seedlings.
The
results
showed
N/L
very
favorably
conventional
Osmocote
at
conclusion
trial.
exceeded
chlorophyll
content
leaf
number
first
3
4-week
Grower
management
protocols
could
further
improve
seedling
providing
additional
top
dressings
or
effluent
waters
plants
age.
