The
tiny
plastic
particles
known
as
microplastics,
which
are
smaller
than
5
millimetres
in
size,
have
raised
environmental
concerns
on
a
global
scale
result
of
their
wide
spread
and
potential
ecological
impacts.
They
generated
through
various
sources
can
be
either
primary
microplastic
or
secondary
microplastics
depending
the
nature
generation.
Primary
produced
intentionally
used
industries
such
cosmetics,
personal
care
products,
textiles.
Synthetic
fibers
from
clothing,
like
polyester
nylon,
another
significant
source
washing
machines
wastewater
treatment
plants,
it
enters
into
environment
directly.
However,
due
to
forces,
large
plastic-based
products
breakdown
generate
microplastics.
All
types
pose
persistence,
mobility,
accumulate
ecosystems.
Microplastic
also
food
chain
leads
health
risks
for
both
wildlife
humans.
Efforts
being
made
globally
mitigate
generation
release
Initiatives
improve
waste
management,
increase
recycling
rates,
promote
sustainable
alternatives
implemented.
Therefore,
small
that
sources,
including
intentional
production
larger
items.
As
awareness
grows,
there
is
an
increasing
focus
reducing
developing
solutions
tackle
this
pressing
issue.
In
present
chapter,
attempt
was
overview
uses,
types,
understand
uptake,
prevalence,
fate
different
environments.
Polymer Engineering and Science,
Journal Year:
2023,
Volume and Issue:
63(9), P. 2651 - 2674
Published: June 21, 2023
Abstract
Polyethylene
terephthalate
(PET)
is
used
in
textile
and
packaging
industries.
The
main
source
of
PET
production
fossil
fuels
with
limited
capacity.
Also,
products
are
single
use
that
transform
into
high
volumes
wastes,
causing
ecosystem
problems.
Recycling
proposed
to
confront
this
challenge.
four
major
recycling
techniques
mechanical,
chemical,
pyrolysis,
enzymatic.
Mechanical,
enzymatic
have
constrained
capabilities
manage
waste.
Chemical
the
potential
path
expanding
waste
possibility
upcycling
addressing
dirty
streams.
Several
chemical
methods
introduced
discussed
literature.
five
glycolysis,
alcoholysis,
aminolysis,
ammonolysis,
hydrolysis.
This
review
describes
depolymerization
via
these
introduces
hydrolysis
as
one
can
depolymerize
an
organic‐free
solvent
environment.
Hydrolysis
tolerates
mixed
wastes
streams
including
copolymers.
It
helps
avoid
challenges
attributed
using
organic
solvents
reaction
systems.
Moreover,
produces
terephthalic
acid,
monomer,
which
has
recently
gained
attention
initiative
monomer
for
production.
focuses
on
three
forms
hydrolysis—alkaline,
neutral,
by
presenting
background
studies,
issued
patents,
recent
trends
application
Fuel,
Journal Year:
2023,
Volume and Issue:
344, P. 128107 - 128107
Published: March 24, 2023
Hydrogen
is
an
energy
carrier
that
can
be
utilized
in
various
applications,
including
power
plants,
the
synthesis
of
high-value
products,
and
clean
transportation
fuels
without
emissions.
Hence,
hydrogen
a
potential
candidate
replace
fossil
reduce
environmental
pollution.
The
high
demand
for
plastics
driving
production
rate
to
increase
yearly,
leading
great
accumulation
plastic
waste
materials
resulting
severe
burden
on
environment.
Thermo-catalytic
conversion
other
promising
route
efficiently
provide
ideal
long-term
solution
necessary
overcome
this
challenge.
Developing
durable
high-efficiency
catalysts
immerge
from
wastes
industrial
scale
still
challenge
researchers.
This
study
comprehensively
summarizes
discusses
recently
published
literature
using
different
thermo-catalytic
processes,
pyrolysis,
pyrolysis-air
gasification,
pyrolysis-steam
reforming,
pyrolysis-
(CO2)
dry
pyrolysis-plasma
catalysis.
scope
review
focus
influence
supports,
method
yield
hydrogen,
impact
several
crucial
reaction
parameters
like
pyrolysis
temperature,
catalytic
catalyst
plastic,
steam
ratios
inclusive
as
well.
conclusions
will
extremely
valuable
researchers
interested
sustainable
generation
H2
materials.
Materials Today Sustainability,
Journal Year:
2023,
Volume and Issue:
24, P. 100529 - 100529
Published: Sept. 5, 2023
Polymer-based
product
usage
rapidly
increases
globally,
leading
to
severe
ecological,
social,
environmental,
health,
and
economic
impacts.
There
has
been
an
international
push
for
solutions
sustainable
production,
consumption,
end-of-life
plastics
combat
these
issues.
Moreover,
additive
manufacturing
(AM)
or
3D
printing
(3DP)
processes
provide
rapid
fabrication
of
functional
parts
in
lesser
time,
lower
lead
times,
research
development
costs.
Due
reasons,
are
now
being
utilized
different
industrial
sectors,
including
aerospace,
automotive,
biomedical,
sports,
food,
electronics,
construction.
The
circular
economy
concept
integrated
with
AM
can
deliver
a
synergic
impact
new
life
discarded
polymeric
distributed
recycling
manufacturing.
With
the
adoption
proper
techniques,
be
used
widely
reuse
polymer
wastes
turn
them
into
valuable
products.
It
much
higher
levels
at
very
low
cost
targeted
applications.
Therefore,
this
study,
comprehensive
literature
review
is
performed
outline
guidelines
model
recycled
polymers
based
on
reviewed
literature.
This
study
delivers
insight
into;
commodity
their
uses,
challenges
recycling,
approaches,
polymers.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
271, P. 115942 - 115942
Published: Jan. 12, 2024
The
global
production
and
consumption
of
plastics,
as
well
their
deposition
in
the
environment,
are
experiencing
exponential
growth.
In
addition,
mismanaged
plastic
waste
(PW)
losses
into
drainage
channels
a
growing
source
microplastic
(MP)
pollution
concern.
However,
complete
understanding
environmental
implications
throughout
life
cycle
is
yet
to
be
fully
understood.
Determining
potential
extent
which
MPs
contribute
overall
ecotoxicity
possible
through
monitoring
PW
release
MP
removal
during
remediation.
Life
assessments
(LCAs)
have
been
extensively
utilized
many
comparative
analyses,
such
comparing
petroleum-based
plastics
with
biomass
single-use
multi-use
alternatives.
These
typically
yield
unexpected
or
paradoxical
results.
Nevertheless,
there
still
paucity
reliable
data
tools
for
conducting
LCAs
on
plastics.
On
other
hand,
impact
so
far
not
considered
LCA
studies.
This
due
absence
inventory-related
regarding
releases
characterization
factors
necessary
quantify
effects
MP.
Therefore,
this
review
paper
conducts
comprehensive
literature
order
assess
current
state
knowledge
impacts
that
occur
along
strategies
management
LCA.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(7), P. 4865 - 4926
Published: March 18, 2024
Rapid
industrialization
and
development
have
led
to
a
tremendous
increase
in
the
use
of
various
types
plastic
commodities
daily
life.
For
past
several
years,
pollution
has
become
global
issue,
posing
serious
threat
mankind.
The
primary
issue
with
increasing
is
lack
proper
management
which
created
huge
havoc
environment.
From
initial
phase
waste
management,
been
discarded,
recycled,
downcycled,
or
dumped
into
landfills
large
proportion,
causing
extreme
damage
ecosystem.
Conventionally,
treated
via
thermal
processes
such
as
pyrolysis
incineration
plants
require
amount
capital
and,
therefore,
harms
aim
circular
economy.
Chemical
upcycling
gaining
attention
high-potential
catalytic
strategy
convert
plastics,
polyethylene
terephthalate,
polyethylene,
polystyrene,
etc.
fuels,
functionalized
polymers,
other
value-added
chemicals
having
direct
impact
on
affordability
viability.
In
this
review,
we
focused
photocatalysis,
electrocatalysis,
photoelectrocatalysis
effective
efficient
technologies.
These
approaches
can
lower
dependence
nonrenewable
resources
are
more
environmentally
friendly
contrast
conventional
approaches.
This
review
elaborately
discusses
pros
cons
provides
detailed
overview
potential
renewable
energy-driven
for
conversion
wastes
valuable
fuels
commodity
chemicals,
along
challenges
future
directions
emerging
approach
treatment.
Journal of Environmental Management,
Journal Year:
2024,
Volume and Issue:
359, P. 120816 - 120816
Published: April 25, 2024
The
escalating
threat
of
plastic
pollution
necessitates
urgent
and
immediate
action,
particularly
within
the
food
beverage
(F&B)
industry,
a
significant
contributor
to
single-use
waste
(SUP).
As
global
population
surges,
so
does
consumption
plastics
in
F&B
sector,
perpetuating
linear
economy
model
characterized
by
'take,
make,
use,
dispose'
approach.
This
significantly
exacerbates
issues,
with
projections
indicating
an
alarming
increase
outputs
2050
if
current
practices
continue.
Against
this
backdrop,
circular
presents
viable
alternative,
its
emphasis
on
resource
retention,
recovery,
extension
product
lifecycles.
study
delves
into
problems
posed
plastics,
introduces
as
sustainable
model,
explores
effective
strategies
for
recycling
reuse
framework.
By
examining
environmental
impact
SUP
sector
advocating
adoption
principles,
paper
underscores
critical
pathway
towards
solutions
battle
against
pollution.
In
conclusion,
transition
economy,
underpinned
collaboration
proactive
implementation
supportive
policies,
is
imperative
reducing
footprint
fostering
future.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(32), P. 12145 - 12154
Published: Aug. 2, 2023
This
paper
discusses
the
environmental
problems
posed
by
medical
plastic
waste
produced
in
healthcare
facilities
and
explores
a
suitable
way
to
reutilize
through
triboelectric
nanogenerator
(TENG)
device
technology.
Remarkably,
study
investigates
potential
of
saline
bottles
create
energy-harvesting,
health-monitoring
devices
tactile,
humidity-sensing
applications.
Saline
bottle
sheets
are
used
as
material
fabricate
TENG
vertical
contact
separation
(VCS)
single
electrode
(SE)
modes.
The
VCS-TENG
power
density
8.78
W/m2
could
various
devices,
including
420
red
LEDs
portable
electronic
devices.
Sleep
monitoring
experiments
were
performed
using
an
implanted
inside
pillow.
SE
mode
1.46
was
demonstrated
for
tactile
sensing
present
work
suggested
make
health
monitoring,
sensing,
humidity
energy-harvesting
possible
applications
touch
sensors
security
applications,
human–machine
interfaces,
IoTs.
proposed
idea
fabrication
can
be
further
extended
other
nontoxic
generated
field.
Energies,
Journal Year:
2023,
Volume and Issue:
16(5), P. 2199 - 2199
Published: Feb. 24, 2023
In
Japan,
mechanical
plastic
recycling
has
been
widely
practiced.
recent
years,
the
chemical
method
gaining
interest,
especially
due
to
its
high-quality
products
similar
virgin
materials.
Understanding
environmental
impact
of
both
methods
from
energy
consumption
standpoint
is
crucial
so
that
attempts
preserve
resources
can
be
based
in
most
energy-sustainable
way.
This
research
aims
determine
and
two
types
technologies
(coke
oven
gasification)
by
analyzing
their
usage
loads.
The
results
relating
electricity
water
show
a
17%
share
global
warming
potential
(GWP),
coke
51%,
gasification
32%.
Although
lower
GWP,
yields
highly
valuable
byproducts
reused
processes,
such
as
steam
industrial
water,
reducing
overall
load.
These
recovered
materials
are
also
potentially
useful
for
other
processes
an
symbiosis
ecosystem.