Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(44)
Published: July 27, 2024
Abstract
Plastic
pollution,
an
increasingly
serious
global
problem,
can
be
addressed
through
the
full
lifecycle
management
of
plastics,
including
plastics
recycling
as
one
most
promising
approaches.
System
design,
catalyst
development,
and
product
separation
are
keys
in
improving
economics
electrocatalytic
recycling.
Here,
a
membrane‐free
co‐production
system
was
devised
to
produce
succinic
acid
(SA)
at
both
anode
cathode
respectively
by
co‐electrolysis
polybutylene
succinate
(PBS)
waste
biomass‐derived
maleic
(MA)
for
first
time.
To
this
end,
Cr
3+
‐Ni(OH)
2
electrocatalyst
featuring
much
enhanced
1,4‐butanediol
(BDO)
oxidation
reaction
(BOR)
activity
has
been
synthesized
role
doped
revealed
“electron
puller”
accelerate
rate‐determining
step
(RDS)
Ni
2+
/Ni
cycling.
Impressively,
extra‐high
SA
production
rate
3.02
g
h
−1
ultra‐high
apparent
Faraday
efficiency
towards
(FE
=181.5
%)
have
obtained.
A
carbon
dioxide‐assisted
sequential
precipitation
approach
developed
high‐purity
byproduct
NaHCO
3
solids.
Preliminary
techno‐economic
analysis
demonstrates
that
reported
is
economically
profitable
future
industrial
applications.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(31), P. 9768 - 9775
Published: July 26, 2024
Excessive
production
of
waste
polyethylene
terephthalate
(PET)
poses
an
ecological
challenge,
which
necessitates
developing
technologies
to
extract
the
values
from
end-of-life
PET.
Upcycling
has
proven
effective
in
addressing
low
profitability
current
recycling
strategies,
yet
existing
upcycling
operate
under
energy-intensive
conditions.
Here
we
report
a
cascade
strategy
steer
transformation
PET
into
glycolate
overall
yield
92.6%
ambient
The
approach
involves
setting
up
robust
hydrolase
with
95.6%
depolymerization
ethylene
glycol
(EG)
monomer
within
12
h,
followed
by
electrochemical
process
initiated
CO-tolerant
Pd/Ni(OH)
Electron,
Journal Year:
2024,
Volume and Issue:
2(3)
Published: Aug. 1, 2024
Abstract
The
escalating
accumulation
of
plastic
waste
has
been
developed
into
a
formidable
global
environmental
challenge.
Traditional
disposal
methods
such
as
landfilling
and
incineration
not
only
exacerbate
degradation
by
releasing
harmful
chemicals
greenhouse
gases,
but
also
squander
finite
resources
that
could
otherwise
be
recycled
or
repurposed.
Upcycling
is
kind
recycling
technology
converts
high‐value
helps
to
avoid
resource
pollution.
Electrocatalytic
upcycling
emerges
novel
distinguished
its
mild
operational
conditions,
high
transformation
efficiency
product
selectivity.
This
review
commences
with
an
overview
the
employed
in
management
respective
advantages
inherent
limitations
are
delineated.
different
types
upcycled
electrocatalytic
strategy
then
discussed
process
examined
together
mechanisms
underlying
upcycling.
Furthermore,
structure‐activity
relationships
between
electrocatalysts
performance
elucidated.
aims
furnish
readers
comprehensive
understanding
techniques
for
provide
guidance
design
towards
efficient
transformation.
AIChE Journal,
Journal Year:
2024,
Volume and Issue:
70(10)
Published: July 1, 2024
Abstract
Chemical
upcycling
of
waste
plastics
represents
an
appealing
way
to
achieve
a
circular
economy
and
mitigate
environmental
problems
but
remains
huge
challenge.
Herein,
we
report
heterojunction
photocatalyst
(ZnInFe‐mixed
metal
oxide,
denoted
as
ZnInFe‐MMO)
for
the
rapid
valorization
polylactic
acid
(PLA)
via
developed
alkali‐assisted
photocatalysis
system.
The
ZnInFe‐MMO
featured
with
double
Z‐Scheme
structure
is
favorable
light
harvesting
electron‐hole
separation.
Moreover,
operando
characterizations
theoretical
simulations
confirm
that
affords
remarkably
decreased
barrier
rate‐determining
step
(formation
*LA
intermediate)
while
inhibiting
CC
breakage
in
side
reaction.
As
result,
attains
~100%
conversion
~99%
selectivity
toward
sodium
lactate
(NaLA),
which
preponderant
state‐of‐the‐art
photocatalysts.
In
addition,
such
effective
route
also
demonstrated
various
real‐world
PLA
waste.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(44)
Published: July 27, 2024
Abstract
Plastic
pollution,
an
increasingly
serious
global
problem,
can
be
addressed
through
the
full
lifecycle
management
of
plastics,
including
plastics
recycling
as
one
most
promising
approaches.
System
design,
catalyst
development,
and
product
separation
are
keys
in
improving
economics
electrocatalytic
recycling.
Here,
a
membrane‐free
co‐production
system
was
devised
to
produce
succinic
acid
(SA)
at
both
anode
cathode
respectively
by
co‐electrolysis
polybutylene
succinate
(PBS)
waste
biomass‐derived
maleic
(MA)
for
first
time.
To
this
end,
Cr
3+
‐Ni(OH)
2
electrocatalyst
featuring
much
enhanced
1,4‐butanediol
(BDO)
oxidation
reaction
(BOR)
activity
has
been
synthesized
role
doped
revealed
“electron
puller”
accelerate
rate‐determining
step
(RDS)
Ni
2+
/Ni
cycling.
Impressively,
extra‐high
SA
production
rate
3.02
g
h
−1
ultra‐high
apparent
Faraday
efficiency
towards
(FE
=181.5
%)
have
obtained.
A
carbon
dioxide‐assisted
sequential
precipitation
approach
developed
high‐purity
byproduct
NaHCO
3
solids.
Preliminary
techno‐economic
analysis
demonstrates
that
reported
is
economically
profitable
future
industrial
applications.
Materials Horizons,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
A
paired
electrolysis
system
was
constructed
to
synchronously
valorize
nitrate
wastewater
and
upgrade
polyethylene
terephthalate,
utilizing
oxygen-vacancy-rich
Co
3
O
4
as
the
cathode
Cu-doped
Ni(OH)
2
anode,
respectively.
