Green Energy and Environmental Technology,
Год журнала:
2025,
Номер
4
Опубликована: Фев. 28, 2025
As
of
2023,
coal,
oil,
and
natural
gas,
which
are
non-renewable
fossil
fuels,
account
for
about
80%
the
world’s
energy
consumption.
This
underscores
pressing
necessity
alternative
sources
in
light
worsening
climate
crisis.
Apart
from
problems,
this
review
evaluates
potential
microbial
fuel
cells
biofuel
production,
contributes
to
just
10–20%
total
consumption
due
its
relatively
low
environmental
impact.
The
aim
systematic
is
elucidate
their
role
producing
a
range
bio-based
including
biogas,
biodiesel,
bioethanol,
biobutanol.
findings
categorized
into
ten
main
areas:
biomass
conversion
techniques,
substrates
strains,
design
components
cells,
strain
improvement
through
metabolic
engineering,
enhancements
nanomaterials
advantages
disadvantages
biofuels,
integration
biorefineries,
applications,
challenges
limitations,
future
trends
cell
technology.
also
promise
as
sustainable
eco-friendly
option
bioenergy
emphasizing
need
advancements
efficiency
compete
with
conventional
fuels.
Harnessing
innovative
strategies
pertaining
technology
(MFCs)
can
potentially
transform
generation
more
commercially
viable
practice,
positively
impacting
conservation
public
health.
Macromolecules,
Год журнала:
2023,
Номер
56(15), С. 5679 - 5697
Опубликована: Июль 21, 2023
Plastics
offer
several
advantages,
but
their
production
and
disposal
processes
have
severe
environmental
implications.
To
overcome
these
issues,
there
is
a
need
to
switch
from
the
linear
circular
economy
by
recycling
plastic
waste
utilizing
renewable
resources
create
bioplastics.
However,
this
challenging
in
case
of
nonbiodegradable
polyolefins
(POs),
which
form
largest
fraction
produced
polymers
least
recycled
one.
Mechanical
recycling,
chemical
PO
bioplastics
are
three
pillars
economy.
Although
mechanical
an
environmentally
economically
viable
option,
it
often
results
degradation
downgrading
POs.
Nonetheless,
innovations
such
as
use
(nano)fillers
or
compatibilization
with
olefin
block
copolymers,
attempt
mitigate
issues.
Furthermore,
development
covalent
adaptable
networks
improves
properties
thermoplastics
provides
recyclable
elastomers.
If
fails
meet
desired
characteristics
recyclate
PO,
other
chemicals
potential
alternative.
retrieving
monomer
ideal
for
achieving
closed-loop
economy,
traditional
approaches
noncatalytic
POs
energy-intensive
lack
specificity.
This
has
been
tried
be
addressed
advancements
catalytic
approaches.
Finally,
biobased
polyolefins,
especially
those
through
emerging
nonbiochemical
approaches,
attractive
alternatives
that
can
integrated
into
existing
petrochemical
plants.
With
comprehensive
perspective
on
academic
industrial
researchers
field
better
contribute
more
sustainable
future.
Environmental Chemistry Letters,
Год журнала:
2024,
Номер
22(3), С. 1275 - 1296
Опубликована: Март 7, 2024
Abstract
Plastic
pollution
is
becoming
a
major
health
issue
due
to
the
recent
discovery
of
microplastics
and
nanoplastics
in
living
organisms
environment,
calling
for
advanced
technologies
remove
plastic
waste.
Here
we
review
enzymes
that
degrade
plastics
with
focus
on
properties,
protein
engineering
polymers
such
as
poly(ethylene
terephthalate),
poly(butylene
adipate-co-terephthalate),
poly(lactic
acid),
polyamide
polyurethane.
The
mechanism
action
natural
engineered
has
been
probed
by
experimental
computation
approaches.
performance
polyester-degrading
improved
via
directed
evolution,
structure-guided
rational
design
machine
learning-aided
strategies.
display
higher
stability
at
elevated
temperatures,
tailored
substrate-binding
sites.
Microbial Biotechnology,
Год журнала:
2024,
Номер
17(4)
Опубликована: Апрель 1, 2024
Abstract
Bioplastics,
comprised
of
bio‐based
and/or
biodegradable
polymers,
have
the
potential
to
play
a
crucial
role
in
transition
towards
sustainable
circular
economy.
The
use
polymers
not
only
leads
reduced
greenhouse
gas
emissions
but
also
might
address
problem
plastic
waste
persisting
environment,
especially
when
removal
is
challenging.
Nevertheless,
plastics
should
be
considered
as
substitutes
for
proper
management
practices,
given
that
their
biodegradability
strongly
depends
on
environmental
conditions.
Among
challenges
hindering
implementation
bioplastics
market,
development
effective
downstream
recycling
routes
imperative,
increasing
production
volumes
these
materials.
Here,
we
discuss
about
most
advisable
end‐of‐life
scenarios
bioplastics.
Various
strategies,
including
mechanical,
chemical
or
biological
(both
enzymatic
and
microbial)
approaches,
considered.
Employing
enzymes
biocatalysts
emerges
more
selective
environmentally
friendly
alternative
recycling,
allowing
new
added
value
high‐quality
products.
Other
pending
concerns
industrial
include
misinformation
among
end
users,
lack
standardised
bioplastic
labelling,
unclear
life
cycle
assessment
guidelines
need
higher
financial
investments.
Although
further
research
efforts
are
essential
foster
widespread
application
bioplastics,
significant
strides
already
been
made
this
direction.
Trends in Food Science & Technology,
Год журнала:
2024,
Номер
152, С. 104660 - 104660
Опубликована: Авг. 8, 2024
This
work
evaluates
the
preparedness
of
packaging
industry
towards
more
circular,
sustainable
solutions
for
fresh
meat
and
fish.
The
term
bioplastic
is
ill-defined,
creating
confusion
between
all
stakeholders
in
value
chain.
implementation
as
food
contact
material
will
only
occur
when
there
are
demonstrated
that
can
equally
or
better
protect
fish
from
spoilage,
compared
to
conventional
plastic.
Price,
supply
chain
availability,
machinability,
safety
also
be
key
shift
fossil
bioplastic.
application
at
its
infancy.
In
this
work,
a
multidisciplinary
approach
was
employed
highlight
need
holistic
eco-design
minimizes
waste,
due
high
environmental
footprint
meat.
Although
bioplastics
positively
perceived
by
end-users,
including
consumers,
widespread
their
market
implementation.
Their
sorting
end-of-life
major
challenges.
chains
underdeveloped,
terms
costs,
scale-up,
sorting,
recycling
even
most
promising
materials.
Most
still
do
not
meet
specified
technological
functionalities
required
substitute
fossil-fuel
counterparts.
For
appropriate
eco-design,
it
important
quantify
using
life
cycle
assessment
considering
material-food
unit
importantly,
ensure
safety,
demonstrating
absence
migration
harmful
substances
packaging,
especially
derived
waste
byproducts.
development
active
intelligent
increase
shelf
products
add
significant
food-packaging
unit.
