A facile synthesis of polyacrylic acid–ammonium phosphomolybdate microspheres for the highly selective removal of cesium
Chengyun Fu,
Wei Xin,
Lian Jie
и другие.
Journal of Radioanalytical and Nuclear Chemistry,
Год журнала:
2024,
Номер
333(4), С. 2207 - 2220
Опубликована: Март 20, 2024
Язык: Английский
Sorbents Based on Polyacrylonitrile Fiber for Complex Recovery of Artificial 137Cs and Natural Radionuclides from Natural Media
Water,
Год журнала:
2025,
Номер
17(2), С. 147 - 147
Опубликована: Янв. 8, 2025
Sorbents
based
on
polyacrylonitrile
fiber,
containing
ferrocyanides
of
transition
metals
and
manganese
oxides
(CoMn-PAN
FeMn-PAN)
or
iron(III)
hydroxide
(CoFe-PAN)
in
their
structure
were
obtained,
as
confirmed
by
the
results
X-ray
diffraction
energy-dispersive
analyses.
The
selectivity
obtained
sorbents
was
investigated,
along
with
ability
to
sorb
Cs,
Ba
(as
an
analog
Ra),
P,
Be
from
various
natural
media,
including
river
water
seawater
varying
salinity
18.2
33.8
‰.
data
show
that
are
universal
for
recovery
artificial
137Cs
radionuclides
environments,
complex
salt
composition
(seawater).
Researching
during
marine
expeditions
efficiency
materials
metal
sorption
137Cs,
7Be,
210Pb,
210Po,
226Ra,
228Ra,
234Th.
Additionally,
sorbent
effective
32P,
33P,
Based
results,
methods
comprehensively
determining
using
these
developed.
Язык: Английский
New Sorbents Based on Polyacrylonitrile Fiber and Transition Metal Ferrocyanides for 137Cs Recovery from Various Composition Solutions
Applied Sciences,
Год журнала:
2024,
Номер
14(2), С. 627 - 627
Опубликована: Янв. 11, 2024
For
the
first
time,
new
sorbents
based
on
polyacrylonitrile
(PAN)
fiber
and
transition
metal
ferrocyanides
were
obtained.
The
main
difference
between
obtained
existing
ones
is
stage
of
preliminary
preparation
initial
support
by
converting
it
into
forms
PAN-Fe(OH)3
or
PAN-MnO2,
due
to
which
additional
ion
exchange
groups
(carboxyl,
carbonyl,
etc.)
are
formed,
increases
amount
ferrocyanide
fixed
support.
best
components
conditions
for
synthesis
determined
(concentration
(0.1–0.2
mol/L),
as
well
pH
(1
PAN-Fe(OH)3,
1–5—PAN-MnO2)
potassium
solution,
concentration
salts
(0.02
temperature
conditions).
influence
studied
solution
composition
(pH,
Na+,
K+,
NH4+
ions)
cesium
distribution
coefficients
during
its
recovery
was
assessed.
possibility
from
solutions
with
1–9
containing
macro
quantities
cations
demonstrated.
derived
characterized
modern
structural
methods
such
infrared
spectroscopy,
thermogravimetric
analysis,
scanning
electron
microscopy
EDS
analysis.
A
study
trace
sorption
137Cs
carried
out
in
comparison
commercially
available
highly
efficient
(FNS-10
Termoksid-35),
shown
that
resulting
not
inferior
industrial
can
be
used
selective
technological
natural
waters.
Язык: Английский
Silica-Reinforced AMP–Calcium Alginate Beads for Efficient and Selective Removal of Cesium from a Strong Acidic Medium
ACS Omega,
Год журнала:
2024,
Номер
9(29), С. 32011 - 32020
Опубликована: Июль 12, 2024
Due
to
the
significant
selectivity
for
Cs
Язык: Английский
Novel and Sustainable Materials for the Separation of Lithium, Rubidium, and Cesium Ions from Aqueous Solutions in Adsorption Processes—A Review
Materials,
Год журнала:
2024,
Номер
17(24), С. 6158 - 6158
Опубликована: Дек. 17, 2024
The
growing
demand
for
alkali
metals
(AMs),
such
as
lithium,
cesium,
and
rubidium,
related
to
their
wide
application
across
various
industries
(e.g.,
electronics,
medicine,
aerospace,
etc.)
the
limited
resources
of
naturally
occurring
ores,
has
led
an
increased
interest
in
methods
recovery
from
secondary
sources
brines,
wastewater,
waste
leachates).
One
dynamically
developing
research
directions
field
separation
AMs
ions
aqueous
solutions
is
search
novel,
efficient,
“green”
materials
that
could
be
used
adsorption
processes,
also
on
a
larger
industrial
scale.
This
review
concerns
latest
achievements
(mainly
2023
2024)
development
innovative
ion
sieves,
aluminum-based
adsorbents,
mineral
composites,
resins)
Li+,
Cs+,
Rb+
solutions,
with
particular
emphasis
most
important
advantages
limitations,
well
potential
impact
environment.
Язык: Английский
137Cs RECOVERY FROM DIFFERENT COMPOSITION SOLUTIONS BY FERROCYANIDE SORBENTS BASED ON POLYACRYLONITRILE FIBER
Transaction Kola Science Centre,
Год журнала:
2024,
Номер
15(1), С. 448 - 453
Опубликована: Ноя. 28, 2024
Sorbents
based
on
polyacrylonitrile
(PAN)
fiber
and
transition
metal
ferrocyanides
were
obtained.
The
influence
of
the
studied
solution
composition
(pH,
concentration
Na+,
K+,
NH4+
ions)
cesium
distribution
coefficients
during
its
recovery
by
obtained
sorbents
was
assessed.
A
study
trace
amount
sorption
137Cs
carried
out
in
comparison
with
commercially
available
highly
efficient
(FNS-10
Termoksid-35),
it
shown
that
resulting
are
not
inferior
to
industrial
ferrocyanide
sorbents.
Язык: Английский