Science
provides
convincing
evidence
that
greenhouse
gas
emissions
generated
across
the
plastics
life
cycle
are
estimated
to
be
between
3.8
and
4.5
per
cent
of
global
emissions.
This
is
set
grow
with
a
projected
increase
in
primary
plastic
production.
report
presents
synthesis
an
extensive
literature
review
cycle.
It
analyses
countries’
submissions
UNFCCC,
Paris
Agreement,
Intergovernmental
Committee
on
pollution.
also
suggests
measures
co-benefit
addressing
pollution
achieving
climate
goals.
reveals
critical
gaps
current
reporting
practice
for
accounting
impacts
under
UNFCCC
Agreement
points
out
role
international
legally
binding
instrument
pollution,
including
marine
environment,
(the
instrument)
stemming
change.
The
argues
development
implementation
unique
opportunity
strengthen
efforts
change
cycle,
complementing
broader
decarbonisation
activities
Agreement.
To
combat
alongside
focus
must
reducing
production
focusing
low-carbon
design
as
well
improving
waste
management
remediation.
Additionally,
draws
attention
lack
internationally
agreed
definitions
used
assessment
climate,
which
would
guide
research,
national
reporting,
policy
interventions
future.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(3), P. 1676 - 1691
Published: Jan. 22, 2024
Mechanical
recycling
of
plastic
waste
is
not
sustainable
and
inefficient
in
terms
the
resources
needed
to
accomplish
process,
quality
materials
obtained
from
this
technique
substandard.
Chemical
polymers
appears
be
preferable
because
technology
allows
for
production
new
materials.
This
review
compiles
most
recent
research
which
selected
transition
metals
are
used
as
catalysts
hydrogenolytic
depolymerization
polyolefins
a
polymer
upcycling
process.
Hydrogenolysis
an
emerging
chemical
method
that
uses
transition-metal
complexes
presence
hydrogen
cleave
C–C
bonds
substances
into
shorter
hydrocarbons.
Transition
such
Ruthenium
(Ru),
Platinum
(Pt),
Nickel
(Ni),
Cobalt
(Co),
Zirconium
(Zr),
Tantalum
(Ta),
Rhodium
(Rh)
have
been
utilized
recently
type
reaction.
hydrogenolysis
can
produce
valuable
hydrocarbon
products,
gas/liquid
fuels
lubricating
oils,
under
relatively
milder
operational
conditions
with
less
environmental
impact.
The
focused
on
supported
metal
organometal
catalytic
system
their
mechanism
polyolefin
pathways
detailed
investigation
impact
reaction
parameters
high
gasoline,
diesel,
light
lubricants.
For
several
decades,
the
methodology
of
complete
destruction
organic
pollutants
via
oxidation,
i.e.,
mineralization,
has
been
rooted
in
real
water
treatment
applications.
Nevertheless,
this
industrially
accepted
protocol
is
far
from
sustainable
because
excessive
input
chemicals
and/or
energy
as
well
unregulated
carbon
emission.
Recently,
there
have
emerging
studies
on
removal
a
completely
different
pathway,
polymerization,
meaning
that
target
undergo
oxidative
polymerization
reactions
to
generate
polymeric
products.
These
collectively
shown
compared
conventional
mineralization
pathway
allows
more
efficient
pollutants,
largely
reduced
chemicals,
and
suppressed
In
review,
we
aim
provide
comprehensive
examination
fundamentals
process,
current
state-of-the-art
strategies
for
regulation
both
kinetic
thermodynamic
perspectives,
resource
recovery
formed
end,
limitations
process
pollutant
are
discussed,
with
perspectives
future
studies.
Hopefully,
review
could
not
only
critical
insight
advancement
polymerization-oriented
technologies
greener
manner
but
also
stimulate
paradigm
innovations
low-carbon
treatment.
Energy & environment materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 1, 2024
The
integrated
technology
of
interfacial
solar
steam
generation
and
photo‐Fenton
oxidation
has
emerged
as
a
promising
way
to
simultaneously
mitigate
freshwater
scarcity
degrade
organic
pollutants.
However,
fabricating
low‐cost,
multi‐functional
evaporators
with
high
water
evaporation
catalytic
ability
still
presents
significant
challenge.
Herein,
we
report
the
functional
upcycling
waste
polyimide
into
semiconducting
Fe‐BTEC
subsequently
construct
Fe‐BTEC‐based
composite
for
simultaneous
production
degradation
Firstly,
through
two‐step
solvothermal‐solution
stirring
method,
nanoparticles
size
20–100
nm
are
massively
produced
from
polyimide,
band
gap
energy
2.2
eV.
evaporator
based
on
graphene
possesses
wide
solar‐spectrum
absorption
capacity,
photothermal
conversion
rapid
delivery
water,
low
enthalpy
evaporation.
Benefiting
merits
above,
achieves
rate
2.72
kg
m
−2
h
−1
tetracycline
solution,
well
efficiency
97%
when
exposed
irradiation
1
Sun,
superior
many
evaporators.
What
is
more,
exhibits
99.6%
good
recycling
stability,
ranking
one
most
powerful
heterogeneous
Fenton
catalysts.
COMSOL
Multiphysics
density
theory
calculation
results
prove
synergistic
effect
concentrated
heat
by
active
sites
promoting
H
2
O
activation
form
reactive
radicals.
This
work
not
only
provides
green
strategy
but
also
proposes
new
approach
fabricate
npj Materials Sustainability,
Journal Year:
2024,
Volume and Issue:
2(1)
Published: Feb. 21, 2024
Abstract
Recent
statistics
portray
a
stark
reality,
particularly
highlighting
the
inadequate
recycling
measures
and
consequent
environmental
threats,
most
notably
in
developing
nations.
The
global
ramifications
of
plastic
pollution
are
elucidated,
specifically
focusing
on
alarming
accumulation
regions
such
as
“Great
Pacific
Garbage
Patch”
evolving
waste
management
practices
Southeast
Asian
countries.
We
emphasize
significance
Waste-to-Energy
(W2E)
Waste-to-Fuel
(W2F)
technologies,
e.g.,
pyrolysis
gasification,
for
converting
difficult-to-recycle
into
dense-energy
source.
However,
we
identify
critical
gap
current
research:
emission
CO
2
during
these
processes.
This
perspective
spotlights
emergent
capture
utilization
underscoring
their
role
robust
turnkey
solution
making
W2E
W2F
methods
more
sustainable
unleashing
huge
potential
using
plastics
scientific
community
is
urged
to
develop
tailored
solutions
reducing
emissions
conversion
approach
promotes
circular
resource
realizes
socio-economic
advantages
advocating
implementation
economically
disadvantaged
regions.
Next Nanotechnology,
Journal Year:
2024,
Volume and Issue:
5, P. 100060 - 100060
Published: Jan. 1, 2024
Microplastics
(MPs)
constitute
a
serious
threat
to
the
environment
due
their
pervasiveness
and
potential
negative
effects
on
various
life
forms.
The
quest
for
novel
methods
targeting
degradation
of
MPs
has
increased
in
recent
years.
Recent
studies
research,
focussed
techniques
like
biodegradation,
thermal
degradation,
pyrolization
nanoparticle-mediated
microplastic
as
prominent
way
overcome
this
issue.
In
realm
emerging
methodologies,
metal-organic
frameworks
(MOFs)
exhibit
significant
degradation.
MOFs
are
highly
porous
2D
or
3D
materials
with
large
surface
area,
adaptable
chemical
composition,
configurable
pore
size.
These
properties
render
suitable
adsorption
MPs.
efficacy
MOF-mediated
is
dependent
type
MOF,
size,
shape
MPs,
environmental
conditions.
They
also
sustainable,
efficient,
materials,
making
them
suited
This
review
examines
diverse
methodologies
encompassing
processes
such
hydrolysis,
oxidation,
photo-degradation,
bio-mimicking,
phase
transformation,
photoelectrochemical
mechanisms.
Future
research
prospects
application
MP
have
been
addressed.
still
its
infancy,
but
it
represent
advancement
area.
last
section
covers
field's
obstacles
constraints,
including
ways
use
clean-up
that
economical,
environmentally
friendly,
technically
comprehensive.
