International Journal of Renewable Energy Development,
Год журнала:
2023,
Номер
12(5), С. 923 - 929
Опубликована: Авг. 16, 2023
Fluid
catalytic
cracking
could
convert
crude
palm
oil
into
valuable
green
fuels
to
substitute
fossil
fuels.
This
study
aimed
predict
the
phenomenon
and
yield
in
industrial
fluid
riser
using
computational
dynamics.
A
three-dimensional
transient
simulation
Eulerian-Lagrangian
with
multiphase
particle-in-cell
is
investigate
reactive
gas-particle
hydrodynamics
four-lump
kinetic
network
model
rare
earth-Y
catalyst
for
behaviors.
The
results
show
that
velocity
profile
increase
middle
of
reactor
because
reaction
process
produces
OLP
Gas
products
has
a
lighter
molecular
weight.
endothermic
causes
temperature
decrease
heat
comes
from
catalyst.
analysis
shows
accurately
predicts
fuel
oil.
As
result,
conversion,
organic
liquid
product
yield,
correspond
70
wt%,
28.8
27.5
respectively.
Compared
experimental
study,
prediction
showed
good
agreement
determined
optimal
dimension.
methodology
are
guidelines
optimizing
FCC
CPO.
Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
63(24), С. 10677 - 10691
Опубликована: Июнь 11, 2024
Fault
prognosis
and
detection
are
of
vital
importance
for
safe
efficient
operation
complex
chemical
processes,
which
have
become
a
research
hotspot
by
employing
mainstream
deep
learning
methods.
However,
nonsignificant
variability
characteristic
variables
under
some
fault
conditions
multioperation
mode
makes
the
corresponding
task
difficult
to
achieve.
In
present
work,
transformer-based
multivariate
multistep
prediction
is
utilized
establish
model,
intends
realize
early
prediction.
addition,
using
samples
multiple
normal
states,
local
adaptive
standardization
employed
preprocess
moving
window
data.
Then,
variational
autoencoder
combined
with
series
bidirectional
long
short-term
memory
layers
developed
detection,
make
model
operating
modes.
By
practical
process
high-purity
carbonate
ester
production
as
benchmark,
efficiency
validated,
monitoring
performance
clearly
clarified.
International Journal of Renewable Energy Development,
Год журнала:
2023,
Номер
12(5), С. 923 - 929
Опубликована: Авг. 16, 2023
Fluid
catalytic
cracking
could
convert
crude
palm
oil
into
valuable
green
fuels
to
substitute
fossil
fuels.
This
study
aimed
predict
the
phenomenon
and
yield
in
industrial
fluid
riser
using
computational
dynamics.
A
three-dimensional
transient
simulation
Eulerian-Lagrangian
with
multiphase
particle-in-cell
is
investigate
reactive
gas-particle
hydrodynamics
four-lump
kinetic
network
model
rare
earth-Y
catalyst
for
behaviors.
The
results
show
that
velocity
profile
increase
middle
of
reactor
because
reaction
process
produces
OLP
Gas
products
has
a
lighter
molecular
weight.
endothermic
causes
temperature
decrease
heat
comes
from
catalyst.
analysis
shows
accurately
predicts
fuel
oil.
As
result,
conversion,
organic
liquid
product
yield,
correspond
70
wt%,
28.8
27.5
respectively.
Compared
experimental
study,
prediction
showed
good
agreement
determined
optimal
dimension.
methodology
are
guidelines
optimizing
FCC
CPO.
