Polymer Degradation and Stability,
Год журнала:
2023,
Номер
215, С. 110447 - 110447
Опубликована: Июнь 24, 2023
In
this
critical
review
article,
the
current
state-of-the-art
in
composite
solvolysis
is
reviewed
against
backdrop
of
a
growing
need
for
recycling
composites
industry.
The
scope
includes
all
fibre
types
any
polymer
matrix
but
focuses
on
articles
since
2015.
Given
unique
position
recovering
products
from
recyclates,
it
noteworthy
that
relatively
few
studies
have
examined
aspect
detail,
although
particular
attention
given
herein
to
works
do
consider
recyclates.
An
additional
emphasis
placed
critiquing
potential
scalability/industrialisation
different
technologies
and
associated
blockers.
After
review,
'cheat
sheet'
typical
process
given,
describing
workflow
treatment,
common
metrics
by
which
its
success
measured,
what
substrates
most
suitable
for,
finally
culminating
technology
readiness
level
(TRL)
assessment
UK
worldwide.
Sustainability,
Год журнала:
2022,
Номер
14(18), С. 11637 - 11637
Опубликована: Сен. 16, 2022
Plastic
waste
accumulation
has
been
recognized
as
one
of
the
most
critical
challenges
modern
societies
worldwide.
Traditional
management
practices
include
open
burning,
landfilling,
and
incineration,
resulting
in
greenhouse
gas
emissions
economic
loss.
In
contrast,
emerging
techniques
for
plastic
microwave-assisted
conversion,
plasma-assisted
supercritical
water
photo
reforming
to
obtain
high-value
products.
Problems
with
poorly
managed
are
particularly
serious
developing
countries.
This
review
article
examines
strategies
production
various
high-value-added
products
from
waste.
Additionally,
uses
different
sectors,
such
construction,
fuel
production,
wastewater
treatment,
electrode
materials,
carbonaceous
nanomaterials,
other
reviewed.
It
observed
that
there
is
a
pressing
need
utilize
circular
economy
recycling
value-added
More
specifically,
limited
knowledge
on
conversion
mechanisms
efficiency.
Therefore,
this
will
help
highlight
negative
environmental
impacts
importance
management.
ACS Catalysis,
Год журнала:
2023,
Номер
13(6), С. 3575 - 3590
Опубликована: Фев. 27, 2023
Plastic
waste
pollution
is
becoming
one
of
the
most
pressing
environmental
crises
due
to
large-scale
production
without
satisfactory
recycling
schemes,
especially
with
outbreak
COVID-19
pandemic
in
recent
years.
Upcycling
plastic
into
valuable
chemicals
powered
by
solar
energy
presents
a
substantially
untapped
opportunity
turn
treasure.
In
this
review,
fundamental
principles
from
nonselective
degradation
selective
synthesis
are
first
clarified.
Then,
we
aim
outline
representative
advances
photoredox-based
catalytic
conversion.
Particular
emphasis
placed
on
valorization
regarding
versus
synthesis.
Finally,
present
challenges
and
individual
insights
for
further
exploration
conversion
domain.
It
anticipated
that
timely
critical
review
would
provide
an
instructive
direction
foresight
plastics
value-added
chemical
feedstocks,
thus
stimulating
development
circular
sustainable
economy
coming
decades.
Green Chemistry,
Год журнала:
2023,
Номер
25(5), С. 1797 - 1802
Опубликована: Янв. 1, 2023
This
work
investigates
the
degradation
of
5-hydroxymethylfurfural
(HMF)
in
an
alkaline
electrolyte,
enabling
“indirect”
electrooxidation
HMF
at
unprecedentedly
high
substrate
and
base
concentrations
improved
atom
economy.
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(41)
Опубликована: Сен. 24, 2023
The
huge
amount
of
plastic
wastes
has
become
a
pressing
global
environmental
problem,
leading
to
severe
pollution
and
resource
depletion
through
conventional
downcycling
technologies
like
incineration
landfilling.
In
contrast,
selective
upcycling
various
plastics
offers
promising
solution
for
converting
waste
into
valuable
products.
This
review
provides
comprehensive
overview
the
recent
advancements
in
innovative
catalytic
technologies,
including
thermocatalysis,
electrocatalysis,
photocatalysis.
Special
emphasis
is
placed
on
elucidating
reaction
mechanisms,
activating
designated
chemical
bonds
high
selectivity,
elaborating
above
techniques
terms
conditions
Finally,
application
prospects
future
development
trends
catalysis
are
discussed,
providing
insights
realizing
sustainable
circular
economy.
Advanced Materials,
Год журнала:
2024,
Номер
36(23)
Опубликована: Март 20, 2024
Abstract
The
plastic
waste
issue
has
posed
a
series
of
formidable
challenges
for
the
ecological
environment
and
human
health.
While
conventional
recycling
strategies
often
lead
to
down‐cycling,
electrochemical
strategy
recovering
valuable
monomers
enables
an
ideal,
circular
economy.
Here
corrosion
synthesized
single
atom
Pt
1
/Ni(OH)
2
electrocatalyst
with
part‐per‐million
noble
loading
highly
efficient
selective
upcycling
polyethylene
terephthalate
(PET)
into
chemicals
(potassium
diformate
terephthalic
acid)
green
hydrogen
is
reported.
Electro‐oxidation
PET
hydrolysate,
ethylene
glycol
(EG),
formate
processed
high
Faraday
efficiency
(FE)
selectivity
(>90%)
at
current
density
close
1000
mA
cm
−2
(1.444
V
vs
RHE).
in
situ
spectroscopy
functional
theory
calculations
provide
insights
mechanism
understanding
efficiency.
Remarkably,
electro‐oxidation
EG
ampere‐level
also
successfully
illustrated
by
using
membrane‐electrode
assembly
FEs
integrated
production
500
h
continuous
operation.
This
process
allows
chemical
space‐time
yield
profitable
(588–700
$
ton
−1
PET),
showing
industrial
perspective
on
single‐atom
catalysis
upcycling.
Advanced Materials,
Год журнала:
2024,
Номер
36(16)
Опубликована: Янв. 15, 2024
Abstract
Scandium
oxide
(Sc
2
O
3
)
is
considered
as
omnipotent
“Industrial
Ajinomoto”
and
holds
promise
in
catalytic
applications.
However,
rarely
little
attention
paid
to
its
electrochemistry.
Here,
the
first
nanocasting
design
of
high‐surface
area
Sc
with
abundant
oxygen
vacancies
(mesoporous
V
‐Sc
for
efficient
electrochemical
biomass
valorization
reported.
In
case
electro‐oxidation
5‐hydroxymethylfurfural
(HMF)
2,5‐furandicarboxylic
acid
(FDCA),
quantitative
HMF
conversion,
high
yield,
faradic
efficiency
FDCA
via
hydroxymethylfurancarboxylic
pathway
are
achieved
by
this
advanced
electrocatalyst.
The
beneficial
effect
on
electrocatalytic
performance
mesoporous
revealed
enhanced
adsorption
reactants
reduced
energy
barrier
process.
concerted
design,
situ
ex
experimental
studies
theoretical
calculations
shown
work
should
shed
light
rational
elaboration
electrocatalysts,
contribute
establishment
a
circular
carbon
economy
since
bio‐plastic
monomer
green
hydrogen
efficiently
synthesized.
