Entropy, enthalpy, and gibbs free energy variations of 133Cs via CO2-activated carbon filter and ferric ferrocyanide hybrid composites
Nuclear Engineering and Technology,
Год журнала:
2021,
Номер
53(11), С. 3711 - 3716
Опубликована: Июнь 12, 2021
The
addition
of
ferric
ferrocyanide
(Prussian
blue;
PB)
to
adsorbents
could
enhance
the
adsorption
performance
133Cs.
Toward
this
goal,
we
present
a
heterogeneously
integrated
carbonaceous
material
platform
consisting
PB
in
direct
contact
with
CO2-activated
carbon
filters
(PB-CACF).
resulted
sample
retains
24.39%
more
than
vice
versa
probed
by
ultraviolet–visible
spectrometer.
We
leverage
effect
capture
133Cs
aqueous
environment
via
increase
ionic
strength
and
micropores.
note
that
amount
was
likely
be
key
factor
for
compared
specific
surface
characteristics.
revealed
capacity
PB-CACF
21.69%
higher
bare
support.
characteristics
were
feasible
spontaneous.
Positive
values
ΔHo
ΔSo
show
endothermic
nature
increased
randomness.
Based
on
concept
capturing
hazardous
materials
materials,
our
work
will
interest
within
relevant
academia
collecting
radionuclides
sufficient
manner.
Язык: Английский
Investigation of natural and artificial radioactivity levels in travertines of the Cappadocia region in Turkey
Environmental Geochemistry and Health,
Год журнала:
2024,
Номер
46(6)
Опубликована: Май 2, 2024
Abstract
This
study
determined
natural
and
artificial
radionuclide
concentrations
to
evaluate
radioactivity
health
risk
levels
of
nine
travertines
in
the
Yaprakhisar
Balkayası
regions
Turkey.
The
samples
coded
B1-M,
B2,
B5,
B7,
B8,
B10
represent
waste
derived
from
travertines,
as
well
T5-M,
T12,
Z1
Balkayası.
(
232
Th,
40
K,
137
Cs)
were
measured
using
a
high-purity
germanium
(HpGe)
detector
system.
travertine
activity
ranged
2.09
12.07
Bq
kg
−1
for
4.21
13.41
0.42–3.26
Cs.
results
showed
that
concentration
values
Cs
coherent
with
analysis
UNSCEAR,
2000;
2008
publications.
obtained
lower
than
average
UNSEAR
reports.
radiological
hazard
parameters
calculated
this
absorbed
gamma
dose
rate
(D),
radium
equivalent
(Ra
eq
),
annual
gonadal
(AGDE),
exposure
(ER),
total
effective
(AEDE
excess
lifetime
cancer
(ELCR
representative
level
(GRL),
internal
index
(H
)
external
ex
).
Язык: Английский
Determination of Radionuclides Concentrations in Surface Soil Samples in the District of Bandirma, Balıkesir
Environmental Forensics,
Год журнала:
2023,
Номер
25(4), С. 191 - 204
Опубликована: Июнь 17, 2023
Determination
of
the
environmental
radioactivity
concentration
value
is
very
important
as
it
directly
effects
human
health.
Natural
and
artificial
radionuclide
levels
have
been
determined
by
looking
226Ra,
232Th,
40K,
137Cs
radionuclides.
In
this
study,
natural
continental
concentrations
were
measured
in
Bandirma
district
Balikesir.
detected
with
aid
a
high-purity
germanium
(HpGe)
detector.
Soil
samples
used
study
selected
from
30
different
locations
sampling
points
located
Bandirma.
The
radiological
hazard
indices
such
absorbed
gamma
dose
rate
(D),
annual
gonadal
equivalent
(AGDE),
exposure
(ER),
total
effective
(AED),
excess
lifetime
cancer
risk
(ELCR),
internal
index
(Hin),
external
(Hex)
representative
level
(GRL)
determined.
mean
values
15.81
±
1.35
Bq
kg−1,
28.86
1.07
276.86
11.69
1.98
0.31
kg−1
respectively.
calculated
parameters
compared
world
averages.
obtained
to
be
below
average.
Язык: Английский
Separation of 133Ba and 137Cs from Mixtures of 133Ba and 137Cs by Environmentally Benign PEG-Based Aqueous Biphasic System
Journal of Solution Chemistry,
Год журнала:
2022,
Номер
51(10), С. 1209 - 1218
Опубликована: Авг. 23, 2022
Язык: Английский
A mobile simulation and ARIMA modeling for prediction of air radiation dose rates
Journal of Radioanalytical and Nuclear Chemistry,
Год журнала:
2021,
Номер
328(3), С. 889 - 901
Опубликована: Апрель 29, 2021
Язык: Английский
Nuclear accidents liability and a grave natural disaster of an exceptional character
Journal of Environmental Economics and Policy,
Год журнала:
2023,
Номер
13(2), С. 213 - 227
Опубликована: Июль 16, 2023
This
article
argues
that
the
exclusion
of
a
defense
based
on
'grave
natural
disaster
an
exceptional
character'
following
1997
amendments
to
1963
Vienna
Convention
Civil
Liability
for
Nuclear
Damage
is
counterproductive.
For
this,
we
model
absolute
liability
rule
in
event
nuclear
accident
and
analyse
impact
this
amendment
environment
where
certain
states
nature
damage
exceeds
operator's
ceiling,
thus
inducing
problem
moral
hazard.
While
socially
optimal
safety
level
remains
unattainable
even
with
defense,
show
can
be
significantly
improved
by
intelligently
defining
critical
design
basis.
Язык: Английский
A mobile simulation and ARIMA modeling for prediction of air radiation dose rates
Research Square (Research Square),
Год журнала:
2021,
Номер
unknown
Опубликована: Апрель 7, 2021
Abstract
A
spatial
simulation
method
in
.mp4
format
was
proposed
to
determine
Fukushima
radioactive
fallout
transport
and
the
Absorbed
Dose
Rate,
Annual
Effective
Equivalent,
Excess
Lifetime
Cancer
Risk
were
determined
for
10
months
after
accident
(March
11
2011).
The
findings
of
this
study
demonstrate
that
an
appropriate
ARIMA
model
can
be
applied
radiation
dose
time-series
case
nuclear
reactor
accidents
like
Chernobyl
predict
future
air
rates,
which
provide
valuable
information
determining
evacuation
zones,
decontamination
processes,
protection
progresses.
forecasted
results
actual
observation
data
same
period
shows
a
gradual
decrease
rates
during
prediction
period.
Moreover,
there
is
good
agreement
between
them
as
scatter
plot
follows
each
other
with
small
variations.
These
important
insights
into
predictability
models;
thus,
models
utilized
forecast
(January
2020
-
October
2020).
Язык: Английский