Current Green Chemistry,
Год журнала:
2024,
Номер
11(4), С. 319 - 324
Опубликована: Апрель 16, 2024
:
Plastic
waste
is
a
current
issue
worldwide
that
already
negatively
influencing
and
threatening
the
lives
of
human
beings,
with
residual
micro-
nanoplastics
entering
water
soil
bodies
inducing
recalcitrant
pollution
health
issues.
The
proposed
perspective
has
been
aimed
to
provide
an
overview
potential
plastic
valorization
green
hydrogen
carbonaceous
nanostructures.
overall
concept
additionally
includes
utilization
generated
nanostructures
design
advanced
functional
materials
in
combination
obtained
from
number
batch-to-flow
catalytic
hydrogenations
close
circle
sustainable
integrated
waste.
also
insightful
Life-Cycle
Assessment
(LCA)
techno-economic
studies
order
select
most
relevant
lines
sustainability
cost-competitive
standpoints.
Waste Management Bulletin,
Год журнала:
2023,
Номер
2(1), С. 75 - 82
Опубликована: Дек. 30, 2023
Studies
in
the
field
of
machine
learning
utilization
on
air
gasification
polyethylene
terephthalate
(PET)
waste
are
utmost
importance
and
can
contribute
to
solving
environmental
challenges
associated
with
PET
while
also
promoting
development
advanced
technologies
management
renewable
energy.
The
primary
objective
this
study
is
focus
process
through
algorithms.
aim
assess
how
well
these
algorithms
predict
evaluate
performance
waste.
To
achieve
this,
a
model
for
created,
developed
evaluated
based
their
performance.
results
suggest
that
H2/CO
has
high
accuracy,
as
indicated
by
its
R-sq
value
91.86%.
It
important
highlight
models
lower
heating
values
cold
gas
efficiency
show
excellent
99.84%.
predicted
(higher
than
90%
higher
99%
efficiency)
indicate
excel
predicting
future
observations
great
accuracy.
ACS Catalysis,
Год журнала:
2024,
Номер
14(10), С. 7536 - 7552
Опубликована: Апрель 30, 2024
The
benefits
of
hierarchical
zeolites
for
the
conversion
bulky
molecules
like
polymeric
waste
have
been
reported
in
literature;
however,
impact
mesopore
sizes
and
connectivities
on
rates,
product
selectivities,
catalyst
deactivation
context
plastic
upcycling
has
not
systematically
probed.
Here,
we
synthesized
a
suite
MFI
FAU
via
desilication
under
varying
conditions
metal-free
polyethylene
reactions
batch
flow
(473–523
K).
Polyethylene
(solid)
rates
(normalized
by
Bro̷nsted
acid
site
density)
were
higher
than
parent
microporous
regardless
connectivities,
i.e.,
open
or
constricted,
suggesting
that
incorporation
mesopores
facilitates
diffusion
intermediate
products
to
access
medium-pore
protons
successive
scission
events.
Furthermore,
branched:linear
gaseous
ratios
produced
MFI,
since
allow
egress
bulkier
without
undergoing
further
secondary
events,
e.g.,
isomerization
back
linear
alkanes/alkenes
beta
scission.
Solid
with
cetyltrimethylammonium
bromide
(CTABr),
FAU,
likely
because
presence
CTABr
recrystallization
leached
species
form
composites
(hierarchical
ordered
mesoporous
materials)
more
isolated
mesopores.
stagnation
despite
increased
volumes
(>0.22
cm3
g–1),
highlights
importance
confinement
effects
provided
micropores
cleaving
C–C
bonds
at
modest
reaction
conditions.
In
situ
1H
MAS
NMR
performed
zeolite
show
PE
isomerizes
(and
potentially
deconstructs)
temperatures
near
450
K,
highlighting
role
sites
activating
mild
Catalyst
recyclability
studies
showed
all
catalysts
undergo
during
reactions,
but
extents.
Overall,
materials
better
stability
materials,
although
differences
between
are
smaller
those
MFI.
Taken
together,
these
findings
demonstrate
how
from
can
be
controlled
fine-tuning
identity
connectivity
Sustainability,
Год журнала:
2024,
Номер
16(10), С. 4117 - 4117
Опубликована: Май 14, 2024
This
paper
provides
an
overview
of
the
integration
Carbon
Capture,
Utilization,
or
Storage
(CCUS)
technologies
with
Waste-to-Energy
(WtE)
incineration
plants
in
retrofit
applications.
It
explains
operational
principles
WtE
incineration,
including
generation
both
biogenic
and
fossil
CO2
emissions
potential
for
CCUS
to
mitigate
these
emissions.
In
addition,
covers
regulatory
framework
influencing
adoption
such
highlights
recent
Directive
2023/959
inclusion
incinerators
European
Union
Emissions
Trading
System
(EU
ETS)
by
2028.
measure
could
provide
a
significant
impulse
plants.
Moreover,
it
discusses
use
captured,
which
be
used
Capture
(CCS)
Utilization
(CCU),
offers
comparison
projects
that
have
already
been
implemented
worldwide,
focus
on
Netherlands
Italy.
illustrates
Netherlands’
advantageous
position
due
its
developed
market
early
adoption,
compared
Italy’s
emerging
initial
storage
solutions.
