Processes,
Journal Year:
2023,
Volume and Issue:
11(10), P. 2926 - 2926
Published: Oct. 7, 2023
Scale-up
bubble
columns
for
wet
air
oxidation
(WAO)
represent
a
novel
solution
to
the
growing
problem
of
sodium
acetate-containing
waste
discharge.
This
study
used
an
axial
dispersion
model
simulate
reactor
at
high
temperature
320
°C.
By
minimizing
structure
size
and
gas
fed
into
system,
estimated
optimal
dimensions
were
obtained.
At
optimized
diameter,
total
height,
initial
oxygen
partial
pressure,
superficial
velocity
1
m,
7
40
bar,
0.07
m/s,
respectively,
degradation
efficiency
over
90%
was
obtained,
which
residual
concentration
acetate
degraded
from
700
mol/m3
70
mol/m3.
The
distributions
dissolved
oxygen,
acetate,
concentrations
in
nearly
uniform.
column
exhibited
intermediate
state
between
well-mixed
flow
plug
both
liquid
gas.
Processes,
Journal Year:
2023,
Volume and Issue:
11(10), P. 2926 - 2926
Published: Oct. 7, 2023
Scale-up
bubble
columns
for
wet
air
oxidation
(WAO)
represent
a
novel
solution
to
the
growing
problem
of
sodium
acetate-containing
waste
discharge.
This
study
used
an
axial
dispersion
model
simulate
reactor
at
high
temperature
320
°C.
By
minimizing
structure
size
and
gas
fed
into
system,
estimated
optimal
dimensions
were
obtained.
At
optimized
diameter,
total
height,
initial
oxygen
partial
pressure,
superficial
velocity
1
m,
7
40
bar,
0.07
m/s,
respectively,
degradation
efficiency
over
90%
was
obtained,
which
residual
concentration
acetate
degraded
from
700
mol/m3
70
mol/m3.
The
distributions
dissolved
oxygen,
acetate,
concentrations
in
nearly
uniform.
column
exhibited
intermediate
state
between
well-mixed
flow
plug
both
liquid
gas.
