Eng—Advances in Engineering,
Год журнала:
2024,
Номер
5(1), С. 133 - 179
Опубликована: Янв. 12, 2024
The
Amazon
rainforest,
spanning
multiple
countries
in
South
America,
is
the
world’s
largest
equatorial
expanse,
housing
a
vast
array
of
relatively
unknown
plant
and
animal
species.
Encompassing
planet’s
greatest
flora,
offers
tremendous
variety
plants
from
which
natural
lignocellulosic
fibers
(NLFs)
can
be
extracted.
In
this
century,
NLFs,
have
long
been
utilized
by
indigenous
populations
Amazon,
garnered
interest
as
potential
reinforcements
for
composites,
whether
polymer-
or
cement-based,
various
technical
applications
such
packaging,
construction,
automotive
products,
ballistic
armor.
A
comparison
with
synthetic
materials
like
glass,
carbon,
aramid
fibers,
well
other
established
highlights
cost
specific
property
advantages
(ANFs).
Notably,
sustainable
cultivation
extraction
ANFs,
alternatives
to
deforestation
livestock
pasture,
contribute
preservation
rainforest.
This
review
article
provides
comprehensive
examination
recent
studies
directly
related
ANF-reinforced
polymer
matrix
composites.
advantages,
proposed
applications,
reported
challenges
are
highlighted,
shedding
light
on
these
unique
fibers.
Frontiers in Sustainability,
Год журнала:
2021,
Номер
2
Опубликована: Июль 12, 2021
Circular
economy
concepts—including
a
circular
bioeconomy—aim
to
transition
the
current,
essentially
linear,
economic
system
more
sustainable
one.
However,
organizations
and
researchers
currently
define
concept
differently,
resulting
in
inconsistencies
difficulty
effectively
implementing
framework.
In
this
paper,
we
provide
our
perspective
on
conceptual
definitions
of
economy,
bioeconomy,
outlining
potential
overlaps
differences
proposing
harmonized
interpretation
that
stresses
importance
carbon
cycle.
We
conclude
key
goal
is
slow,
narrow,
close
material
resource
loops,
built
foundation
renewable
energy
non-toxic
materials.
Further,
bioeconomy
goes
beyond
simply
switching
fossil
resources
with
renewable,
biological
resources.
It
requires
low-carbon
inputs,
supply
chains,
promising
disruptive
conversion
technologies
for
transformation
bioresources
high-value
bio-based
products,
materials,
fuels.
The
particular,
capturing
atmospheric
via
photosynthesis
exploiting
unique
feature
fullest
extent
possible.
sits
at
intersection
between
concept,
framework
focuses
closing
cycle
stressing
opportunity
create
an
additional
sink
capability
technosphere
by
utilizing
biogenic
products
materials
are
circulated
same
or
improved
use
cycles.
Lastly,
will
necessitate
set
consistent
metrics
fit
all
industries.
Journal of Cleaner Production,
Год журнала:
2022,
Номер
341, С. 130865 - 130865
Опубликована: Фев. 12, 2022
A
paradigm
shift
from
a
linear
economy
to
circular
is
crucial
reduce
pressure
on
the
environment
and
improve
security
of
supply
primary
raw
materials.
Under
this
new
paradigm,
governed
by
imperatives
"reduce,
reuse,
recycle",
extraction
resources
minimised
extending
useful
life
existing
This
paper
seeks
identify
drivers
barriers
circularisation
provide
guidance
for
effective
policies
hasten
transition
it.
The
innovative
contribution
made
area
research
empirical
evidence
it
provides
role
played
economic,
social,
environmental
factors
in
economy.
To
achieve
this,
yearly
data
2010
2019,
panel
19
European
Union
countries
were
analysed
employing
Panel-Corrected
Standard
Errors
estimator,
which
was
shown
be
an
appropriate
estimator
data's
characteristics.
material
use
rate
used
as
proxy
main
findings
suggest
that
age
distribution
country
significant
predictor
Older
people
tend
reluctant
change
their
behaviour,
while
young
are
more
inclined
move
away
so-called
'take-make-waste'
extractive
industrial
model.
Policies
directed
older
sensibilize
them
benefits
importance
thus
required.
When
per
capita
income
increases,
propensity
accept
products
containing
recycled
materials
decreases.
finding
merits
particular
attention
policymakers.
In
turn,
inequality
makes
moving
toward
difficult.
Those
middle-income
bracket
likely
exhibit
green
implies
they
aware
issues.
Results in Engineering,
Год журнала:
2023,
Номер
17, С. 100989 - 100989
Опубликована: Фев. 26, 2023
Fossil
fuels
have
provided
humans
with
an
enormous
and
stable
primary
energy
source
to
rapidly
develop
advanced
technologies,
increasingly
efficient
machines
industries,
as
well
greater
varieties
of
consumer
products.
While
enjoy
the
conveniences
modern
world,
critical
global
issues
also
been
created,
such
exponential
hike
in
waste
generation,
rapid
depletion
finite
fossil
fuels,
environmental
pollution,
climate
change.
Two
major
anthropogenic
wastes
are
biomass
plastic
waste.
Each
year,
464
million
tonnes
generated
globally,
only
20%
recycled,
25%
incinerated,
while
55%
landfilled.
Likewise,
140
billion
from
agriculture
sector
181.5
lignocellulosic
forestry
agricultural
residues
produced
worldwide
annually,
40%
4.5%
reuse
respectively.
This
mountainous
underutilised
presented
a
good
opportunity
for
recycling
into
biofuels
instead
landfilling
or
open
dumping,
thus
promoting
circular
bioeconomy.
Pyrolysis
stands
out
promising
thermochemical
route
synthesize
biofuels,
co-pyrolysis
benefits
synergistic
interactions
between
both
feedstocks,
enhancing
yield
quality
biofuels.
Therefore,
this
review,
mechanism
is
described,
recent
advances
field
comprehensively
presented.
The
importance
applying
bioeconomy
frameworks
on
highlighted.
Sustainable Production and Consumption,
Год журнала:
2022,
Номер
32, С. 248 - 269
Опубликована: Апрель 28, 2022
High
rates
of
resource
consumption
and
waste
generation
have
put
pressure
on
environmental
systems
one
the
solutions
to
this
concerning
behavior
is
a
circular
bioeconomy
(CBE).
However,
for
CBE
succeed,
new
businesses
business
models
are
needed,
which
many
drawbacks
might
be
faced.
Therefore,
article
aimed
(i)
identify
drivers,
opportunities,
challenges,
barriers
in
both
from
theoretical
practical
perspectives,
(ii)
present
regional
differences
those
aspects
different
continents.
A
mixed-method
approach
was
adopted,
comprising
systematic
literature
review
semi-structured
interviews
with
32
organizations
18
countries
4
continents
(Africa,
America,
Australia,
Europe).
Eight
twenty
as
well
fifteen
drivers
eight
opportunities
were
identified.
The
main
barrier
challenge
pointed
out
by
stakeholders
lack
financial
resources/capital,
price
competitiveness
traditional/linear
product
offers.
most
prominent
driver
opportunity
establishment
public
policies/governmental
support,
recovery.
Regional
CBEs
(by
continent)
also
Advancing
requires
setting
strategies
overcome
developing
and/or
making
adequate
technology
available
locally,
enabling
traditional
(linear
non-renewable-based)
options.
This
study
unveils
series
managerial
implications.
There
risk
rebound
effects,
such
becoming
mainstream
feedstock
bioproducts
being
introduced
market
low-price
strategies,
thus
triggering
increased
consumption.
Premium
pricing
need
considered
bio-based
products
(compared
non-bio-based
products).
Moreover,
technological
development
plays
role
driving
innovation,
pioneers
lead
policies.
For
succeed
there
needs
further
greater
connection
among
actors
value
chain,
converging
resilient
CBE.
Green Chemistry,
Год журнала:
2022,
Номер
24(14), С. 5429 - 5459
Опубликована: Янв. 1, 2022
Organic
waste
valorisation
into
biopolymers
and
nanofillers
potentially
lowers
the
pressure
on
non-renewable
resources,
avoids
generation
of
waste-streams
opens
new
opportunities
to
develop
multifunctional
bio-based
products.
Cellulose,
Год журнала:
2022,
Номер
29(14), С. 7495 - 7533
Опубликована: Июль 18, 2022
Abstract
Bacterial
cellulose
(BC),
a
promising
polysaccharide
of
microbial
origin,
is
usually
produced
through
synthetic
(chemically
defined)
or
natural
media
comprising
various
environmental
wastes
(with
exact
composition
unknown),
low-cost
and
readily
available
means.
Various
agricultural,
industrial,
food
processing
have
been
explored
for
sustainable
BC
production.
Both
conventional
(using
one
variable
at
time)
statistical
approaches
used
optimization,
either
during
the
static
fermentation
to
obtain
membranes
(pellicle)
agitated
that
yields
suspended
fibers
(pellets).
Multiple
studies
addressed
production,
however,
strategies
applied
in
utilizing
production
not
fully
covered.
The
present
study
reviews
nutritional
requirements
maximal
including
different
optimization
cultivation
conditions.
Furthermore,
commonly-used
applications
BC,
fields,
recent
developments,
our
current
understanding
also
summarized.
