Indian Chemical Engineer,
Год журнала:
2024,
Номер
unknown, С. 1 - 20
Опубликована: Ноя. 11, 2024
This
study
investigates
the
potential
of
using
starch
derived
from
potato
peels
and
rice
husks
as
biofiller
for
production
biodegradable
plastics.
Starch
was
extracted
modified
phthalic
anhydride,
formamide
potassium
acetate
to
ensure
its
homogeneous
dispersion
into
low-density
polyethylene
(LDPE)
matrix.
The
peel
husk
ash
were
characterised
various
techniques
such
SEM,
TEM,
FTIR,
XRD
blended
with
recycled
LDPE
enhance
biodegradability
making
it
an
applicable
environmental
friendly
packaging
material.
quantity
varied
4
12
g
while
content
kept
constant
(0.6
g).
addition
reduced
tensile
strength,
tear
strength
transparency
film
increase
in
haze
%,
weight
loss
both
garden
soil
vegetable
waste
environment
indicating
enhancement
produced
blend.
Considering
applicability
constrain
blend
containing
20%
considered
best
one
having
approximately
10.42
MPa,
69.4
N,
percentage
13.29%
11.34%
when
studied
a
period
360
days.
Modification
has
however
increased
mechanical
(tensile
–
12.628
80.47
N)
(weight
15.19%
14.45%
waste)
films
under
same
conditions
sample
30%
Advanced Healthcare Materials,
Год журнала:
2023,
Номер
13(1)
Опубликована: Авг. 3, 2023
The
need
for
sustainable
development
has
never
been
more
urgent,
as
the
world
continues
to
struggle
with
environmental
challenges,
such
climate
change,
pollution,
and
dwindling
natural
resources.
use
of
renewable
recycled
waste
materials
a
source
raw
biomaterials
tissue
engineering
is
promising
avenue
development.
Although
rapidly
developed,
challenges
associated
fulfilling
increasing
demand
bone
substitutes
implants
remain
unresolved,
particularly
global
population
ages.
This
review
provides
an
overview
materials,
eggshells,
seashells,
fish
residues,
agricultural
biomass,
that
can
be
transformed
into
engineering.
While
metals
in
its
early
stages,
probiotics
polymers
improve
biofunctionalities
highlighted.
Despite
advances
additive
manufacturing
(AM),
studies
on
AM
waste-derived
bone-substitutes
are
limited.
It
foreseeable
technologies
provide
alternative
implants.
preliminary
results
eggshell
seashell-derived
calcium
phosphate
rice
husk
ash-derived
silica
likely
pave
way
advanced
applications
sustainably
addressing
several
unmet
clinical
applications.
Microbial Cell Factories,
Год журнала:
2024,
Номер
23(1)
Опубликована: Июль 1, 2024
Abstract
Background
Plastic
is
widely
utilized
in
packaging,
frameworks,
and
as
coverings
material.
Its
overconsumption
slow
degradation,
pose
threats
to
ecosystems
due
its
toxic
effects.
While
polyhydroxyalkanoates
(PHA)
offer
a
sustainable
alternative
petroleum-based
plastics,
their
production
costs
present
significant
obstacles
global
adoption.
On
the
other
side,
multitude
of
household
industrial
activities
generate
substantial
volumes
wastewater
containing
both
organic
inorganic
contaminants.
This
not
only
poses
threat
but
also
presents
opportunities
get
benefits
from
circular
economy.
Main
body
abstract
Production
bioplastics
may
be
improved
by
using
nutrients
minerals
feedstock
for
microbial
fermentation.
Strategies
like
feast-famine
culture,
mixed-consortia
integrated
processes
have
been
developed
PHA
highly
polluted
with
high
loads.
Various
process
parameters
loading
rate,
content
(volatile
fatty
acids),
dissolved
oxygen,
operating
pH,
temperature
critical
roles
accumulation
biomass.
Research
advances
are
going
on
downstream
recovery
utilizing
combination
physical
chemical
(halogenated
solvents,
surfactants,
green
solvents)
methods.
review
highlights
recent
developments
upcycling
resources
into
PHA,
encompassing
various
strategies,
processing
methodologies,
techno-economic
analyses.
Short
conclusion
Organic
carbon
nitrogen
promising,
cost-effective
source
producing
bioplastic.
Previous
attempts
focused
enhancing
productivity
through
optimizing
culture
systems
growth
conditions.
However,
despite
technological
progress,
challenges
persist,
such
low
productivity,
intricate
processing,
scalability
issues,
properties
resulting
PHA.
Graphical
Food Hydrocolloids,
Год журнала:
2023,
Номер
139, С. 108580 - 108580
Опубликована: Фев. 10, 2023
In
line
with
the
growing
demand
for
green
alternatives
to
conventional
petroleum-derived
plastic
packaging,
fully
bio-based
and
biodegradable
biocomposites
were
developed
this
work,
purpose
of
packaging
dry
foods,
following
principles
circular
economy.
Solutions
plasticized
chitosan
(pCS)
blended
varying
amounts
hydrolyzed
orange
peel
(hOP)
waste
produce
films
by
casting.
The
hydrolytic
pretreatment
peels
enabled
creation
containing
up
80
wt%
hOP,
while
formulation
70
hOP
had
best
general
performance.
Chemical
characterization
revealed
that
molecules
interact
electrostatically
pectin
in
hOP.
strong
interaction
between
results
improved
mechanical,
barrier,
thermal
properties
composite
materials
compared
their
individual
components.
addition,
exhibit
water
resistance
due
reduced
solubility
films.
migration
films'
components
food
simulant
Tenax
was
evaluated,
low
values,
compliant
current
EU
regulation.
However,
electrostatic
interactions,
lost
antimicrobial
activity
components,
against
E.
coli
S.
aureus
bacteria,
a
property
could
turn
into
active
packaging.
Finally,
optical
antioxidant
biodegradability
soil
also
assayed,
showing
high
transparency,
capacity,
fast
biodegradability,
reaching
62.9%
weight
loss
after
26
days
experiment.
PeerJ,
Год журнала:
2024,
Номер
12, С. e18013 - e18013
Опубликована: Сен. 11, 2024
Bioplastics
are
emerging
as
a
promising
alternative
to
traditional
plastics,
driven
by
the
need
for
more
sustainable
options.
This
review
article
offers
an
in-depth
analysis
of
entire
life
cycle
bioplastics,
from
raw
material
cultivation
manufacturing
and
disposal,
with
focus
on
environmental
impacts
at
each
stage.
It
emphasizes
significance
adopting
agricultural
practices
selecting
appropriate
feedstock
improve
outcomes.
The
highlights
detrimental
effects
unsustainable
farming
methods,
such
pesticide
use
deforestation,
which
can
lead
soil
erosion,
water
pollution,
habitat
destruction,
increased
greenhouse
gas
emissions.
To
address
these
challenges,
advocates
efficient
extraction
techniques
renewable
energy
sources,
prioritizing
considerations
throughout
production
process.
Furthermore,
methods
reducing
consumption,
usage,
chemical
inputs
during
implementing
eco-friendly
technologies.
stresses
importance
developing
robust
disposal
systems
biodegradable
materials
supports
recycling
initiatives
minimize
new
resources.
holistic
approach
sustainability,
including
responsible
cultivation,
practices,
effective
end-of-life
management.
underscores
evaluate
potential
bioplastics
reduce
plastic
considering
technological
advancements,
infrastructure
development,
consumer
awareness.
Future
research
should
enhancing
understanding
long-term
ecological
impacts,
advancing
technology
better
performance
compatibility.
comprehensive
bioplastics'
footprint
urgent
solutions
in
production.
