Synergistic enhancement of Ca-based materials via CeO2 and Al2O3 co-doping for enhanced CO2 capture and thermochemical energy storage in calcium looping technology
Separation and Purification Technology,
Год журнала:
2024,
Номер
unknown, С. 130264 - 130264
Опубликована: Окт. 1, 2024
Язык: Английский
Enhancement Strategies of Calcium Looping Technology and CaO‐Based Sorbents for Carbon Capture
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 28, 2025
Abstract
As
global
warming
intensifies
and
energy
resources
deplete,
carbon
capture
sustainable
conversion
technologies
gain
increasing
importance.
Among
these,
calcium
looping
(CaL)
technology
has
demonstrated
promising
cost‐effectiveness
ease
of
integration
with
other
systems.
However,
severe
sintering
CaO‐based
sorbents
occurs
during
cyclic
carbonation
calcination,
resulting
in
a
significant
decrease
CO
2
capacity
stability.
This
paper
reviews
enhancement
strategies
aggregate
for
synthetic
over
the
past
10
years,
compiling
tabular
dataset
1042
reported
materials,
to
compare
effects
synthesis
methods
operation
conditions
on
decay
rate
capacity.
Sol‐gel,
combustion,
template
are
recommended
producing
high
porosity
sorbents.
The
precursors
organic
acids
used
synthesis,
addition
dopants,
also
play
important
roles
affecting
sorbent
performance.
examines
relationship
between
material
conditions,
performance
determine
feasibility
applying
machine
learning
materials
development.
discusses
several
possible
artificial
intelligence
potential
designing
innovative
suitable
long‐term
industrial
applications,
XGBoost
model
providing
predictive
capacity,
particularly
when
working
relatively
small,
tabular,
datasets.
Язык: Английский
FGD-Gypsum Waste to Capture CO2 and to Recycle in Building Materials: Optimal Reaction Yield and Preliminary Mechanical Properties
Materials,
Год журнала:
2024,
Номер
17(15), С. 3774 - 3774
Опубликована: Авг. 1, 2024
The
use
of
waste
to
capture
CO
Язык: Английский
Decarbonisation of Cement Industry: Calcium Looping with White Mud and Limestone as CaO-based Sorbents for Industrial Flue Gas Treatment
Chemical Engineering and Processing - Process Intensification,
Год журнала:
2025,
Номер
unknown, С. 110290 - 110290
Опубликована: Март 1, 2025
Язык: Английский
Impregnated layer solution combustion synthesis of dark Ca-based thermochemical energy storage composites for direct solar-driven calcium looping
Separation and Purification Technology,
Год журнала:
2025,
Номер
unknown, С. 133085 - 133085
Опубликована: Апрель 1, 2025
Язык: Английский
Reutilization of Real Waste Calcium Carbonate (CaCO3) from the Palm Oil Industry (POI) for Palm Kernel and Shell Separation Through Clay Bath Systems
Recycling,
Год журнала:
2024,
Номер
9(6), С. 103 - 103
Опубликована: Ноя. 1, 2024
The
palm
oil
industry
(POI)
generates
significant
amounts
of
waste,
including
calcium
carbonate
(CaCO3)
from
the
clay
bath
system
used
for
separation
kernels
shells.
This
CaCO3
waste
is
often
discarded,
leading
to
environmental
issues.
However,
can
potentially
be
reused
in
process
improve
efficiency
and
reduce
waste.
To
obtain
PKO,
kernel
separated
shell
using
a
unit,
where
natural
acts
as
decanting
agent
adsorbent.
wet
method,
involving
mixture
water
with
density
1.12
g/mL,
substantial
saturated
that
discarded
into
environment.
Therefore,
this
research
aimed
regenerate
oil-bound
reuse
decanter
Three
treatments
were
tested,
waste-to-water
ratios
1:1,
1:3,
1:6,
under
varying
pH
levels
(8,
10,
11,
12)
temperatures
(28
°C,
80
100
°C).
regeneration
was
conducted
an
open
reactor
at
450
rpm
volume
0.0054
m3,
followed
by
drying
grinding
analysis.
results
showed
approximately
75.75%
removal
rates
between
94.50%
99.26%,
increase
1.687
g/mL
2.467
g/mL.
reusing
regenerated
96.87%.
When
mixed
25%
CaCO3,
increases
99.24%.
Additionally,
50%
achieves
average
99.46%
over
five
consecutive
feed
additions.
shells
has
high
potential
application.
These
findings
suggest
effectively
reused,
offering
sustainable
solution
mills.
Язык: Английский
Dimethylcyclosiloxanes in Mobile Smart Terminal Devices: Concentrations, Distributions, Profiles, and Environmental Emissions
Toxics,
Год журнала:
2024,
Номер
12(4), С. 287 - 287
Опубликована: Апрель 13, 2024
Dimethylcyclosiloxanes
(DMCs)
are
utilized
as
vital
monomers
in
the
synthesis
of
organosilicon
compounds,
integral
to
manufacture
mobile
smart
terminal
devices.
Toxicological
studies
have
revealed
potential
endocrine-disrupting
activity,
reproductive
toxicity,
neurotoxicity,
and
other
toxicities
DMCs.
This
study
investigated
concentrations
composition
profiles
seven
DMCs,
including
hexamethylcyclotrisiloxane
(D3),
octamethylcyclotetrasiloxane
(D4),
decamethylcyclopentasiloxane
(D5),
dodecamethylcyclohexasiloxane
(D6),
tetradecamethylcycloheptasiloxane
(D7),
hexadecamethylcyclooctasiloxane
(D8),
octadecamethylcyclononasiloxane
(D9)
three
types
device
components
(silicone
rubber,
adhesive,
plastics).
Environmental
emissions
DMCs
from
silicone
rubber
materials
were
also
estimated
improve
recognition
their
fate
within
environment.
D5-D9
widely
present
adhesives
with
detection
rates
ranging
91-95.5%
50-100%,
respectively,
while
D3
D4
more
frequently
detected
plastics,
both
showing
a
rate
61.1%.
Silicone
had
highest
total
(∑7DMCs)
concentration
802.2
mg/kg,
which
dominated
by
D7,
D8,
D9.
D4,
D5,
D6.
The
emission
∑DMCs
released
into
environment
China
used
devices
exceeds
5000
tons
per
year.
Further
needed
on
presence
various
commodities
environmental
media
assess
ecological
human
health
impacts,
well
toxicological
effects
D7-D9
for
appropriate
regulation
these
chemicals.
Язык: Английский