Process Safety and Environmental Protection,
Journal Year:
2023,
Volume and Issue:
178, P. 580 - 594
Published: Aug. 23, 2023
Activated
Carbon
(AC)
derived
from
low-priced
biomass
materials
has
been
identified
as
the
efficient
and
cost-effective
candidate
for
low-temperature
CO2
adsorption
technique
performed,
though
suffering
limited
capture
capacity
heterogeneous
fluidization
in
fluidized-bed
systems
have
remained
main
challenges
industrialization
of
carbonaceous
sorbents.
Herein,
first
time,
novel,
low-cost,
highly
fluidizable
sorbent
waste-based
oleaster
seed
(OS)
developed
through
mixing
with
coarse
fluid
catalytic
cracking
(FCC)
particles.
Hydrophobic
SiO2
nanoparticles
(NPs)
which
are
well-known
assistant
enhanced
hard-to-fluidize
particles
was
also
tested
comparison.
To
determine
best
activator
activator/precursor
weight
ratio,
AC
obtained
pyrolysis
OS
prepared
two
disparate
activators
KOH
ZnCl2,
ratios
2,
3,
4,
outcomes
reveal
highest
average
2.78
mmol/g
over
three
successive
cycles
KOH-activated
ratio
2/1.
This
great
OS-derived
mixed
different
wt.%
FCC
NPs
to
boost
its
fluidity;
which,
bed
expansion
reached
1.6
3.5,
at
gas
velocity
5
cm/s
by
2.5
FCC,
similar
NPs-assisted
sample.
In
addition
homogeneous
fluidizability,
a
superior
multicyclic
stability
95.5%
during
25
multiple
adsorption/desorption
assessed.
The
FCC-mixed
activated
carbon
both
fluidity
activity
is
introduced
candidate.
Journal of CO2 Utilization,
Journal Year:
2022,
Volume and Issue:
66, P. 102260 - 102260
Published: Oct. 12, 2022
With
the
expansion
of
industry,
emission
greenhouse
gases
is
increasing,
and
its
impact
on
climate
becoming
more
serious.
CO2
main
culprit
effect,
how
to
effectively
solve
problem
caused
by
has
attracted
attention.
In
recent
years,
there
have
been
continuous
attempts
reduce
emissions
from
source,
but
no
obvious
results
achieved.
fact,
not
only
a
gas,
also
potential
carbon
resource.
Therefore,
capture
use
research
direction
that
many
scholars
exploring
recently.
this
paper,
current
situations
technologies
are
reviewed
aspects
chemical
absorption,
solid-phase
porous
materials
adsorption,
membrane
separation,
cryogenic
hydrate
method
microbiological
in
first
part.
Then,
utilization
systematically
introduced
aspect
physical
utilization,
biological
mineralization
utilization.
Furthermore,
several
representative
frontier
resource
reported.
On
basis,
advantages
disadvantages
different
methods
summarized
provide
some
ideas
references
for
alleviating
issue.
Fuel,
Journal Year:
2023,
Volume and Issue:
344, P. 128102 - 128102
Published: March 15, 2023
Global
warming
triggered
by
greenhouse
gas
(GHG)
emissions,
particularly
carbon
dioxide
(CO2),
significantly
influences
climate
change
and
has
become
a
common
environmental
issue
recently.
The
current
amine-based
technologies
(ABTs)
for
CO2
capture
(CAPCO2)
have
high
energy
demand,
low
absorption,
desorption
rates,
are
less
environmentally
sustainable
due
to
emissions
of
volatile
solvents.
Therefore,
the
development
friendly
CAPCO2
materials
and/or
processes
is
growing
area
research.
utilization
ionic
liquids
(ILs)
recently
attracted
attention.
unique
characteristics
ILs,
such
as
their
vapor
pressure
affinity
well
volatility
make
them
viable
substitute
existing
processes.
This
work
provides
comprehensive
overview
accomplishments
challenges
during
use
ILs
CAPCO2.
Review
also
outlines
mechanisms
with
at
molecular
level,
properties
characterization
CO2/IL
systems,
effect
operating
conditions
on
uptake
(UPCO2)
capacity
ILs.
It
emphasizes
impact
cations,
anions,
functional
groups
solubility
((SCO2))
in
biodegradability
toxicity
Additionally,
recent
advances
IL
membrane
technology
considered.
Lastly,
contribution
simulations
create
assess
was
reviewed.
Protic
aprotic
shown
outstanding
efficiency
UPCO2.
interactions
between
anionic
part
enhance
UPCO2
outperform
traditional
organic
Functionalized
(FUNILs)
tuned
groups,
supported
membranes
(SILMs)
reversible
(RILs)
improved
promising
capturing
process
from
industrial
streams
even
under
partial
pressure.
relative
importance
chemical
breakdown
constituents
(cation–anion
interfacial
structuring)
different
temperatures
unclear,
more
research
this
required
better
inform
design
new
review
proper/systematic
guideline
help
manufacturers
engineers
high-capacity
appropriate
Energy & Fuels,
Journal Year:
2023,
Volume and Issue:
37(5), P. 3523 - 3554
Published: Feb. 15, 2023
In
the
past
decades,
fossil
energy
depletion,
environmental
pollution,
and
greenhouse
gas
emissions
have
resulted
in
serious
health
threats
ecological
imbalances,
which
prompt
researchers
to
explore
green
sustainable
supercapacitor
storage
conversion
systems.
Biomass
is
a
promising
renewable
source
use
for
biomass
porous
carbon
devices
because
it
has
abundant
reserves,
low
price,
pollution
energy.
To
date,
although
some
reports
screened
different
precursors,
carbonization
methods,
activation
strategies
mechanisms,
comprehensive
evaluation
critical
review
of
correlation
among
properties,
including
pore
structure
surface
chemistry,
electrochemical
performances
supercapacitors
are
absent
from
multidisciplinary
assessment
perspective.
Therefore,
this
review,
we
summarize
recent
advances
synthesis
process
focusing
on
strategies,
point
out
scope
applicability
advantages/disadvantages
these
methods
applications,
reveal
reaction
mechanisms
limitations
commercial
production.
Then,
relationships
hierarchical
structure,
specific
area,
reviewed
detail,
enables
prepare
design
advanced
materials
more
rational
way
facilitates
them
cutting-edge
materials.
Finally,
two
effective
techniques
heteroatom
doping
composite
material
construction
address
general
problem
density.
This
demonstrates
great
potential
with
superior
provides
tailoring
viewpoints
application
fields
high-performance
supercapacitors,
expected
inspire
new
exploration
boost
practical
applications
biomass-derived
fields.
Biochar,
Journal Year:
2024,
Volume and Issue:
6(1)
Published: March 14, 2024
Abstract
The
swift
advancement
of
sustainable
energy
technologies,
coupled
with
the
urgent
need
to
address
environmental
challenges,
has
generated
considerable
interest
in
multifaceted
applications
biochar
materials
promote
energy,
water,
and
sustainability.
This
comprehensive
review
examines
recent
advancements
production
functionalized
materials,
emphasizing
their
pivotal
roles
conversion
storage,
wastewater
treatment,
CO
2
reduction,
soil
amelioration,
promotion
carbon
neutrality
within
a
circular
economy
framework.
functionalization
involves
surface
chemistry
porosity
modifications,
achieved
through
techniques
like
templating,
chemical
activation,
metal
impregnation,
or
heteroatom
doping.
These
modifications
substantially
enhance
catalytic
activity,
storage
capacity,
cycling
stability
making
them
particularly
effective
diverse
such
as
water
splitting,
fuel
cells,
supercapacitors.
Additionally,
demonstrate
remarkable
efficacy
catalysts
adsorbents
proficiently
removing
pollutants
heavy
metals,
organic
contaminants,
nutrients,
thereby
facilitating
resource
recovery
from
wastewater.
also
underscores
potential
capture
conversion,
exploring
innovative
strategies
augment
adsorption
capacity
state-of-the-art
processes
for
transforming
captured
into
valuable
fuels
chemicals.
In
summary,
this
offers
insights
research,
underscoring
its
substantial
commercial
versatile
material
contributing
cleaner
more
future.
Article
Highlights
current
status
research
is
comprehensively
reviewed.
fields
critically
examined.
Technology
readiness
levels
(TRLs)
various
biochar-based
technologies
are
evaluated.
Graphical
Journal of Analytical and Applied Pyrolysis,
Journal Year:
2023,
Volume and Issue:
169, P. 105857 - 105857
Published: Jan. 1, 2023
Pyrolysis
is
a
suitable
conversion
technology
to
address
the
severe
ecological
and
environmental
hurdles
caused
by
waste
plastics'
ineffective
pre-
and/or
post-user
management
massive
landfilling.
By
using
machine
learning
(ML)
algorithms,
present
study
developed
models
for
predicting
products
of
continuous
non-catalytically
processes
pyrolysis
plastics.
Along
with
different
input
datasets,
four
including
decision
tree
(DT),
artificial
neuron
network
(ANN),
support
vector
(SVM),
Gaussian
process
(GP),
were
compared
select
variables
most
accurate
models.
Among
these
DT
model
exhibited
generalisable
satisfactory
accuracy
(R2
>
0.99)
training
data.
The
dataset
elemental
composition
plastics
achieved
better
than
that
plastic-type
liquid
yields.
These
observations
allow
predictions
data
from
ultimate
analysis
when
inaccessible
in
unknown
plastic
wastes.
Besides,
combination
also
excellent
gas
predictions.
