Molecules,
Journal Year:
2024,
Volume and Issue:
29(11), P. 2477 - 2477
Published: May 24, 2024
This
review
addresses
the
critical
issue
of
a
rapidly
increasing
worldwide
waste
stream
and
need
for
sustainable
management.
The
paper
proposes
an
integrated
transformation
toward
next-generation
methanization
process,
which
leads
not
only
to
treating
but
also
converting
it
into
higher
value
compounds
greener
energy.
Although
current
commonly
used
anaerobic
digestion
process
is
useful
biogas
production,
presents
limitations
resource
exploitation
some
negative
environmental
impacts.
Focusing
on
acidogenic
stage
in
processing,
discusses
recent
strategies
enhance
recovery
volatile
fatty
acids
(VFAs).
These
serve
as
precursors
synthesizing
variety
biochemicals
biofuels,
offering
products
than
solely
energy
soil
fertilizers.
Additionally,
importance
recycling
fermentation
residues
back
biorefinery
highlighted.
generates
additional
VFAs
contributes
generating
clean
energy,
thereby
enhancing
overall
sustainability
efficiency
management
system.
Moreover,
necessity
integrate
life
cycle
assessment
(LCA)
techno-economic
analysis
(TEA)
evaluate
impacts,
sustainability,
processing
costs
proposed
biorefinery.
Journal of Cleaner Production,
Journal Year:
2023,
Volume and Issue:
421, P. 138488 - 138488
Published: Aug. 17, 2023
Food
waste
represents
one
of
the
major
problems
in
food
industry,
as
it
accounts
for
substantial
social,
economic,
and
environmental
challenges
due
to
resources
along
supply
chain
–
such
water,
land,
fertilizer,
energy.
Recovering
transforming
into
valuable
products
is
essential
reduce
impacts
losses.
Life
Cycle
Assessment
(LCA)
a
well-developed
standardized
tool
evaluating
potential
product
system
throughout
chain.
However,
benefits
different
valorization
recycling
pathways
requires
deeper
understanding
types
substrates
their
applications
consequent
stages.
Moreover,
agri-food
LCAs,
inconsistencies
are
found
regarding
multifunctionality
allocation
approaches,
especially
contexts
where
differentiation
between
co-production
generation
unclear.
Therefore,
main
goal
this
study
was
reconcile
aforementioned
by
(1)
analyzing
current
practices
on
decisions
agricultural
other
food-related
LCAs
(2)
providing
practical
recommendations
decision-making
methods
specific
co-products
streams
following
ISO
14044
requirements.
Results
show
that
many
LCA
practitioners
adopting
zero-burden
approach
(40%)
model
biomass
and/or
waste,
even
if
these
materials
do
not
conform
definition
waste.
Only
consequential
consistently
applied
an
adheres
hierarchy.
In
attributional
economic
be
most
used
(35%),
followed
mass-based
(13%),
suggesting
much
inconsistent
with
The
results
also
indicate
provide
transparent
justifications
methodological
choices,
definitions
wastes,
cut-off
criteria,
procedures.
Conclusively,
criteria
were
identified
pertinent
factors
consider
when
addressing
multifunctional
flows
LCA:
scope
study;
justified
material
flow
type
(co-product/waste);
modeling
(attributional/consequential);
description
processes
(upstream/downstream);
associated
(compliant
guidelines).
Energy Reports,
Journal Year:
2023,
Volume and Issue:
10, P. 3073 - 3091
Published: Oct. 3, 2023
Continual
global
energy
scarcity
and
its
future
challenges,
as
well
environmental
disasters,
are
causing
devastation.
Additionally,
a
substantial
quantity
of
food
is
being
wasted
regularly.
Therefore,
the
adoption
circular
bioeconomy
principles
bioconversion
appears
to
be
both
highly
advantageous
urgently
required.
However,
previous
studies
have
placed
limited
emphasis
on
technological
progress
aspects
associated
with
food.
The
present
review
thus
investigates
how
mass-generated
waste
can
used
produce
valuable
bioproducts
through
techniques
such
oleaginous
metabolism,
anaerobic
fermentation,
solventogenesis.
These
attracted
considerable
interest
due
their
eco-friendly
resource-recycling
capacities,
efficiency
sustainability.
paper
also
discusses
approaches
integrate
biorefineries
within
existing
economies
establish
analyses
challenges
techno-economic,
life
cycle
scenarios
these
approaches.
Analysis
techno-economic
effects
reveals
that
lucrative
if
certain
pathways
maintained.
impact
methods
found
substantially
lower
than
conventional
methods.
Integrating
processes
further
improves
process
sustainably
recovers
resources.
Developing
requires
biorefinery
strategy
an
integrated
approach.
Food Chemistry Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
8, P. 100203 - 100203
Published: April 9, 2024
Fruit
and
vegetable
wastes
are
linked
to
the
depletion
of
natural
resources
can
pose
serious
health
environmental
risks
(e.g.
eutrophication,
water
soil
pollution,
GHG
emissions)
if
improperly
managed.
Current
waste
management
practices
often
fail
recover
high-value
compounds
from
fruit
wastes.
Among
emerging
valorization
methods,
utilization
as
a
feedstock
for
microalgal
biorefineries
is
promising
approach
achieving
net
zero
sustainable
development
goals.
This
due
ability
microalgae
efficiently
sequester
carbon
dioxide
through
photosynthesis,
utilize
nutrients
in
wastewater,
grow
facilities
located
on
non-arable
land,
produce
several
commercially
valuable
with
applications
food,
biofuels,
bioplastics,
cosmetics,
nutraceuticals,
pharmaceutics,
various
other
industries.
However,
application
biotechnology
towards
upcycling
has
yet
be
implemented
industrial
scale
economic,
technical,
operational,
regulatory
challenges.
Here,
we
identify
sources
along
food
supply
chain,
evaluate
current
practices,
describe
value-added
wastes,
review
methods
cultivation
using
fermentation
medium.
We
also
propose
some
novel
strategies
practical
implementation
future.
