Clean Technologies,
Год журнала:
2025,
Номер
7(1), С. 20 - 20
Опубликована: Март 5, 2025
Plastic
waste
poses
a
significant
challenge
in
Africa
and
around
the
world,
with
its
volume
continuing
to
increase
at
an
alarming
rate.
In
Africa,
estimated
25–33%
of
daily
is
made
up
plastic,
posing
threat
environment,
marine
life,
human
health.
One
potential
solution
this
problem
waste-to-energy
recycling,
such
as
pyrolysis,
which
involves
conversion
materials
into
oil,
char,
non-condensable
gasses
through
thermochemical
process
absence
oxygen.
Given
abundance
continent’s
energy
challenges,
pyrolysis
offers
sustainable
solution.
This
review
delves
concept
products,
thermodynamics,
endothermic
kinetics,
presenting
it
promising
way
address
plastic
Africa.
Despite
African
Union’s
goal
recycle
waste,
continent
faces
barriers
achieving
target,
including
infrastructural,
economic,
social
difficulties.
It
crucial
implement
strategies
for
managing
mitigate
environmental
degradation
promote
cleaner
healthier
living
environment.
Pyrolysis
technology
highlighted
viable
management,
can
convert
valuable
byproducts
syngas.
Case
studies
from
countries
like
South
Nigeria
demonstrate
scaling
management
issues
while
generating
job
opportunities.
underscores
need
investment,
regulatory
support,
public
awareness
overcome
challenges
unlock
full
Embracing
method
could
lead
economic
benefits
continent.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июль 19, 2024
Freshwater
scarcity
and
microplastics
(MPs)
pollution
are
two
concerning
intertwined
global
challenges.
In
this
work,
we
propose
a
"one
stone
kills
birds"
strategy
by
employing
an
interfacial
solar
evaporation
platform
(ISEP)
combined
with
MPs
adsorbent.
This
aims
to
produce
clean
water
simultaneously
enhance
removal.
Unlike
traditional
predecessors,
our
ISEP
generates
condensed
free
from
contamination.
Additionally,
the
photothermally
driven
separation
process
significantly
improves
removal
performance.
We
observed
ratio
increase
of
up
5.5
times
compared
previously
reported
adsorbents.
Thus,
rationally-designed
holds
promising
potential
not
only
mitigate
existing
issue
but
also
remediate
in
natural
environments.
Chemical Science,
Год журнала:
2023,
Номер
14(37), С. 10068 - 10080
Опубликована: Янв. 1, 2023
Catalytic
cracking
could
enable
low
temperature
conversion
of
hard-to
recycle
polyolefin
plastics.
However,
traditional
catalysts
suffer
from
macro
and
microscopic
mass
transport
limitations,
which
call
for
plastic
pre-treatment.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(4), С. 2102 - 2111
Опубликована: Янв. 18, 2024
Waste
biomass
is
one
of
the
promising
feedstocks
to
supply
syngas
that
can
be
used
as
fuels,
chemicals,
reductants,
etc.
However,
relationship
between
component
and
constituent
pyrolysis
gas
remains
unclear.
Here,
we
study
behaviors
various
biomasses
reveal
components
compositions.
Further,
different
gases
are
applied
for
reduction
spent
lithium
cobalt
oxide
(LiCoO2)
below
500
°C.
The
with
a
higher
concentration
CO
has
reductivity
convert
LiCoO2
CoO
Li2CO3
conversion
rate
close
100%
in
1
h
at
rich
cellulose
lower
content
lignin
tends
produce
high
CO,
which
comes
from
deliberate
breakdown
carboxyl,
carbonyl,
ether,
ester
linkages.
Moreover,
exerts
catalytic
functions
over
deoxygenation
enhancement
oxygenates
single-ring
aromatics.
Overall,
this
paper
offers
tailored
approach
regulating
gases,
enabling
highly
efficient
battery
recycling
production.
International Journal of Hydrogen Energy,
Год журнала:
2024,
Номер
63, С. 828 - 843
Опубликована: Март 22, 2024
Hydrogen,
a
versatile
energy
carrier,
is
promising
alternative
to
replace
the
environmentally
harmful
and
unsustainable
use
of
fossil
fuels.
This
much-touted
fuel
future
may
however
have
pitfalls,
such
as
issues
associated
with
hydrogen
production,
storage,
distribution.
Hydrogen
storage
distribution
are
concerned
various
technical,
environmental
safety
issues.
Indirect
methods
–
in
solid-state
materials,
ammonia,
methanol/ethanol
recently
being
considered
by
academic
industry
parties.
Ammonia
(NH3)
can
be
carbon-free
carrier
high
density,
established
transportation
network,
contents
flexibility.
production
from
NH3
decomposition
requires
catalyst/support
metal
oxides.
In
binary
oxides
like
perovskites
spinels,
their
unique
morphologies
structural
flexibility
enable
apply
defined
control
over
reaction
profile
through
detailed
engineering
material
design.
The
focus
this
study
conduct
comprehensive
review
on
existing
emerging
mixed
catalysts
used
process
production.
activity
oxide
critically
assessed,
resulting
performances
discussed
detail.
Furthermore,
covers
challenges
catalytic
cracking
process.
Sustainable Chemistry,
Год журнала:
2024,
Номер
5(2), С. 40 - 59
Опубликована: Март 25, 2024
The
current
economic
development
paradigm,
which
is
based
on
steadily
rising
resource
consumption
and
pollution
emissions,
no
longer
viable
in
a
world
with
limited
resources
ecological
capacity.
“green
economy”
idea
has
presented
this
context
chance
to
alter
how
society
handles
the
interplay
between
environmental
spheres.
related
concept
of
nanotechnology”
aims
use
nano-innovations
within
fields
materials
science
engineering
generate
products
processes
that
are
economically
ecologically
sustainable,
enabling
establish
preserve
green
economy.
Many
different
sectors
anticipated
be
impacted
by
these
applications,
including
those
corrosion
inhibitor
nanofertilizers,
nanoremediation,
biodegradation,
heavy
metal
detection,
biofuel,
insecticides
pesticides,
catalytic
CO2
reduction.
These
innovations
might
make
it
possible
non-traditional
water
sources
safely
create
construction
enabled
nanotechnology,
improving
living
conditions.
Therefore,
our
aim
highlight
nanotechnology
being
used
economy
present
promises
for
nano-applications
domain.
In
end,
emphasizes
critical
attain
truly
sustainable
advancement
nanotechnology.
Fundamental Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 1, 2024
Waste
plastics
offer
valuable
feedstock
for
refining
facilities.
Their
well-structured
molecular
compositions
and
functional
groups
make
them
ideal
candidates
conversion
into
high-value
chemicals
fuels,
playing
a
pivotal
role
in
carbon
recycling.
Achieving
this
transformation
demands
not
only
the
precise
design
of
deconstruction
reaction
systems
but
also
overcoming
technological
barriers,
necessitating
collaborative
partnership
between
fundamental
research
industrial
expertise.
In
context,
we
present
roadmap
advancing
recycling
upcycling
plastic
waste,
commencing
thorough
assessment
challenges
across
entire
chain.
