China's
booming
truck
industry
has
led
to
a
rapid
rise
in
end-of-life
trucks.
However,
only
third
of
them
end
up
formal
recycling.
Accordingly,
this
study
estimated
the
resource,
economic,
and
decarbonization
potential
trucks
China
from
2000
2050.
Our
analysis
shows
that
total
amount
will
increase
9-fold
53
Mt
by
The
economic
benefit
these
recyclable
resources
2.6
billion
US$
2010
23
US$,
or
44
if
considering
2%
inflation,
Effective
urban
mining
Al,
Fe,
Cu
was
able
reduce
carbon
emissions
45
primary
material
production
2023.
These
quantitative
data
can
provide
scientific
support
for
policy
formulation
technology
development.
Urban
positively
promote
dematerialization
development
society
lacks
clean
energy
power
grids.
Journal of CO2 Utilization,
Journal Year:
2024,
Volume and Issue:
81, P. 102736 - 102736
Published: March 1, 2024
The
direct
carbonation
of
steel
slag
has
emerged
as
a
promising
approach
for
carbon
dioxide
(CO2)
utilization
and
sequestration,
holding
potential
advancing
sustainable
production.
Despite
considerably
high
expectations
these
cleaner
upcycling
pathways,
their
maturity
level
remains
relatively
low
large-scale
is
largely
untested.
To
facilitate
on
scale
necessary
zero-carbon
future
economy,
this
article
provides
comprehensive
review
fundamental
mechanisms
critical
parameters
governing
the
reaction
process,
including
temperature,
pressure,
time,
liquid-to-solid
ratio,
CO2
partial
pressure.
study
critically
examines
unique
interactions
among
process
parameters,
which
can
either
limit
or
enhance
optimization.
spectrum
scientific
challenges
associated
with
pathway,
rate
limitations
carbonated
product
valorization,
particularly
binder
aggregate
in
construction
sector,
are
identified
addressed.
These
insights
aim
to
possible
implementation
ultimately
facilitating
development
more
efficient
capture
sequestration
(CCUS)
technologies.
proposed
improvements
expected
be
instrumental
promoting
practices,
not
only
foster
decarbonization
steelmaking
industry
but
also
aiding
other
hard-to-abate
sectors,
such
cement
concrete
industry,
achieving
own
goals.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Nov. 30, 2023
The
current
decarbonization
strategy
for
the
steel
and
cement
industries
is
inherently
dependent
on
build-out
of
infrastructure,
including
CO2
transport
storage,
renewable
electricity,
green
hydrogen.
However,
deployment
this
infrastructure
entails
considerable
uncertainty.
Here
we
explore
global
feasible
supply
within
Paris-compliant
carbon
budgets,
explicitly
considering
uncertainties
in
infrastructure.
Our
scenario
analysis
reveals
that
despite
substantial
growth
recycling-
hydrogen-based
production,
will
only
meet
58-65%
(interquartile
range)
expected
baseline
demand
2050.
Cement
even
more
uncertain
due
to
limited
mitigation
options,
meeting
22-56%
These
findings
pose
a
two-fold
challenge
decarbonizing
industries:
one
hand,
governments
need
expand
essential
rapidly;
other
prepare
risk
failures,
rather
than
solely
waiting
large-scale
emerge.
scenarios
provide
compelling
evidence
urgency
demand-side
actions
establish
benchmarks
required
level
resource
efficiency.
Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(10), P. 4460 - 4477
Published: March 4, 2024
Carbon
capture,
utilization,
and
storage
(CCUS)
technology
plays
a
crucial
role
in
the
pursuit
of
carbon
neutrality.
To
reduce
cost
neutrality,
it
is
necessary
to
optimally
design
supply
chain
CCUS,
which
leads
mega
scale
problems
for
vast
countries
such
as
China.
In
this
paper,
novel
three-module
framework
including
source-sink
matching,
meshing,
pipeline
transportation
network
allocating,
has
advantage
plant-level
decision
trunk
while
keeping
size
model
solvable,
proposed.
addition,
database
major
CO2
emission
sources
thermal
power,
cement,
iron-steel
sectors
well
sinks
China
set
up.
By
comparison
scenarios
with
without
offshore
storage,
found
be
superior
those
southern
coastal
provinces.
With
distance
not
exceeding
250
km,
around
4.2
Gt
can
captured
stored.
Simultaneously,
establishing
sensible
CCUS
deployment
objectives
crucial.
As
planned
capacity
rises
from
601.8
1203.5
Mt/year,
unit
net
will
elevate
28.5
$/tonCO2
36.0
$/ton,
marking
26%
increase.
Moreover,
evolution
toward
achieving
neutrality
between
2025
2050
analyzed.
Notably,
early
stage
suitable
provinces
northern
China,
other
are
anticipated
engage
subsequent
phases.
The
comparative
study
indicates
that
more
economically
viable
than
introducing
green
power
hydrogen
iron-steel,
cement
reduction.
Cleaner Engineering and Technology,
Journal Year:
2024,
Volume and Issue:
19, P. 100738 - 100738
Published: March 12, 2024
This
study
investigates
the
characteristics
of
blended
Palm
Oil
Fuel
Ash
(POFA)
concrete
admixed
with
silica
fume
(SF)
and
precipitated
(SP)
as
a
cement
replacement
material
for
Portland
Composite
Cement
(PCC).
The
aims
to
evaluate
potential
extracted
from
POFA
an
alternative
commercial
in
enhancing
properties
palm
oil
fuel
ash
concrete.
Four
different
mixes
were
studied,
including
control
mix
PCC
three
varying
amounts
POFA,
SF,
SP.
analyzed
fresh
properties,
compressive
strength,
strength
activity
index,
tensile
microstructure
results
showed
that
addition
SF
SP
increased
by
23.34%
38.11%
respectively
at
28
days.
index
was
also
higher
silica,
indicating
pozzolanic
early
ages.
porosity
improved
silica.
SEM
FTIR
analysis
confirmed
especially
concludes
has
be
used
or
additive
manufacturing
Asian
countries
where
is
abundantly
available.
