Intellekt Sist Proizv,
Год журнала:
2022,
Номер
20(4), С. 20 - 33
Опубликована: Дек. 26, 2022
To
assess
the
possibility
of
using
acoustic
emission
method
in
direction
selecting
activators
hydrodynamic
processes
rotary
apparatuses
(machines)
for
processing
liquid
media
constrained
conditions,
experimental
studies
and
effects
accompanying
two
main
modes
their
application
were
carried
out:
first
is
operation
mode
activator
frequency
cyclic
change,
second
fixed
rotation
frequency.
Seven
forms
three
types
(vane,
turbine
disk)
a
pulse
apparatus
applied
disinfection
lubricants
used
research.
Using
conventional
high-speed
video,
each
type
identified,
which
compared
with
established
measurements
temperature
Reynolds
centrifugal
criterion.
According
to
results
research,
limitations
comparing
effectiveness
treatment
devices
conditions
its
turbulent
motion
are
shown.
Under
operating
imitated
by
width
working
chamber,
an
peak
never
described
literature
earlier
was
revealed,
differs
from
noise
movement
liquid.
The
relationship
between
change
amplitude
rate
pumping
medium
through
chamber
also
established.
obtained
can
be
select
compare
form
processes,
as
well
maintain
effective
aqueous
solutions.
Ultrasonics Sonochemistry,
Год журнала:
2022,
Номер
89, С. 106144 - 106144
Опубликована: Авг. 29, 2022
Red-G
dye
is
one
of
the
main
dyes
used
in
textile
industry
to
alpaca
wool.
Therefore,
considering
large
volume
processed
wool
Perú,
development
efficient
technologies
for
its
removal
a
present
scientific
issue.
In
this
study,
an
integrated
system
based
on
hydrodynamic
cavitation
(HC)
and
photo-Fenton
process
was
evaluated
remove
dye.
Using
hybrid
device
(venturi
+
orifice
plate),
effect
pH
evaluated,
achieving
21
%
at
2
which
more
than
80
higher
compared
4
6.
The
temperature
also
HC-system
2,
where
percentage
degradation
increased
lower
temperatures
(around
20
°C).
Then,
50.7
removed
under
optimized
condition
HC-assisted
Fenton
(FeSO4:H2O2
1:30),
that
value
improved
strongly
by
UV-light
incorporation
HC-system,
increasing
99
efficiency
with
respect
reducing
time
15
min.
Finally,
developed
combination
efficiently
thus
could
be
considered
interesting
option
application
real
wastewater.
Environmental Quality Management,
Год журнала:
2024,
Номер
34(1)
Опубликована: Июнь 23, 2024
Abstract
The
current
study
presents
a
novel
and
effective
cavitation
technique
for
the
degradation
of
phenol
using
hydrodynamic
cavitation‐based
packed
bed
reactor
(HCPBR).
Several
operational
parameters,
including
fluid
velocity,
hydrogen
peroxide
(H
2
O
)
generation
(18.06
μM
H
in
60
min),
initial
concentration,
have
been
studied
HCPBR.
parameters
were
found
to
be
velocity
85.15
m/s
an
concentration
20
ppm.
It
was
also
noted
that
presence
glass
marble‐bed
(15.35%)
exhibits
substantial
effect
on
compared
absence
(2.91%).
investigation
examined
combining
with
chemical
oxidation
processes,
specifically
,
persulfate
(Na
S
8
K
),
titanium
dioxide,
extent
degradation.
Persulfate
shown
significant
at
1
g/L.
To
clarify
if
free
radical
attack
is
driving
force
behind
degradation,
impact
scavengers
such
as
n‐butanol
has
examined.
Toxicological
assessments
revealed
that,
lentil
meristematic
cells,
therapy
quite
cytotoxic,
but
it
needs
improved
eliminate
its
genotoxic
side
effects.
Overall,
experiment
clearly
demonstrated
effectiveness
HCPBR
Industrial & Engineering Chemistry Research,
Год журнала:
2022,
Номер
unknown
Опубликована: Сен. 30, 2022
The
present
work
successfully
establishes
the
degradation
of
metformin,
an
antidiabetic
drug,
using
vortex
flow-based
hydrodynamic
cavitation
(HC)
and
process
intensification.
Studies
were
carried
out
on
a
pilot
plant
(1
m3/h)
for
high
initial
concentrations,
10–20
mg/L.
Effects
intensifications
aeration
addition
hydrogen
peroxide
various
parameters
evaluated.
A
low
(3–5%)
by
HC
at
ΔP
1
bar
could
be
improved
intensification
(33%).
Importantly,
very
95%
metformin
was
obtained
pH
4
with
excellent
cavitational
yields
up
to
162
×
10–5
mg/J,
further
extending
100%
HC+H2O2,
order
magnitude
enhancement
900%.
synergy
can
drastically
enhanced
modifications.
Per
pass
huge,
100
times,
corresponding
cost
reduction
compared
conventional
cavitation.
established
strategy
have
positive
implications
industrial
wastewater
treatment.
