Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: May 4, 2023
Abstract
The
elimination
of
soot
is
particularly
crucial
in
the
pursuit
reducing
pollutant
emissions
and
achieving
a
circular
economy.
generation
significant
challenge
industries.
most
effective
approach
to
eliminate
oxidize
it
high-temperature
furnace.
In
this
study,
with
different
properties
was
produced
by
non-catalytic
partial
oxidation
process
at
high
temperatures.
real-time
processes
nanoparticles
900°C
were
studied
situ
transmission
electron
microscopy
(TEM).
industrial
performs
various
models.
corresponding
mathematical
expressions
models
developed.
incipient
shrinking
core
model
(SCM)
has
faster
reaction
rate
than
partially
matured
internal
(IOM)
mature
SCM.
A
rare
core-shell
separation
(CSM)
studied.
nanostructures
characterized,
relationship
between
macroscopic
established
Raman
results
lattice
fringe
analysis,
prediction
behavior.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Oct. 6, 2023
Abstract
Soot
generation
is
a
major
challenge
in
industries.
The
elimination
of
soot
particularly
crucial
to
reduce
pollutant
emissions
and
boost
carbon
conversion.
mechanisms
for
oxidation
are
complex,
with
quantified
models
obtained
under
situ
conditions
still
missing.
We
prepare
samples
via
noncatalytic
partial
methane.
Various
established
based
on
the
results
transmission
electron
microscopy
experiments.
A
maturity
parameter
proposed
used
categorize
particles
according
nanostructure
at
various
levels,
which
turn
lead
different
mechanisms.
To
tackle
challenges
kinetic
analysis
aggregates,
simplification
model
rates
quantified.
In
addition,
special
core-shell
separation
revealed
through
studies.
this
study,
we
obtain
important
conditions.
International Journal of Coal Science & Technology,
Journal Year:
2025,
Volume and Issue:
12(1)
Published: April 19, 2025
Abstract
Soot
is
a
flocculent
carbon
nanoparticle
that
results
the
imperfect
combustion
of
fossil
fuel,
and
numerous
studies
are
dedicated
to
reduction
soot
production
alleviate
associated
environmental
problems.
However,
as
functional
material
also
widely
used
in
energy
storage
superhydrophobic
materials.
As
partial
oxidation
technology,
entrained
flow
coal
gasification
process
will
produce
part
soot.
It
important
separate
from
fine
slag
(CGFS)
understand
its
structural
characteristics
for
utilization.
For
this
purpose,
two
industrial
typical
pulverized
(PCGFS)
coal-water
slurry
(WCGFS)
were
selected
study.
The
showed
both
slags
rich
soot,
dry
ash
free
mass
fraction
PCGFS
WCGFS
was
6.24
%
2.91
%,
respectively,
had
hollow
nanosphere
morphology,
while
irregular
morphology.
average
fringe
length,
tortuosity,
spacing
0.84
nm,
1.21,
0.45
respectively.
Compared
WCGFS,
particles
have
less
continuity
molecular
bonds
within
lattice,
larger
defects
fewer
isolated
lattice
layers
there
are.
This
study
provides
theoretical
support
understanding
next
applications
slag.
