Preparation of Polysulfone/Zeolitic Imidazolate Framework-8@Potassium Copper Hexacyanoferrate Composite Membranes for Selective Extraction of Rubidium
Industrial & Engineering Chemistry Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 5, 2025
Language: Английский
Efficient recovery of rubidium from high-salinity brine using dual crosslinked hydrogel beads encapsulating ammonium phosphotungstate
Hui Yang,
No information about this author
Baozhong Ma,
No information about this author
Shuyang Shi
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et al.
Desalination,
Journal Year:
2025,
Volume and Issue:
unknown, P. 118794 - 118794
Published: March 1, 2025
Language: Английский
Efficient Separation and Enrichment of Rubidium in Salt Lake Brine Using High-Performance PAN-KCuFC-PEG Adsorption Composite
Linhong Wu,
No information about this author
Kun Zhou,
No information about this author
Yuchen Zheng
No information about this author
et al.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(6), P. 1273 - 1273
Published: March 12, 2025
Salt
lake
brine
contains
abundant
rubidium
resources;
however,
the
separation
of
from
with
a
high
K
content
remains
significant
challenge
in
metallurgical
processes
and
materials
science.
In
this
study,
PAN-KCuFC-PEG
particles
were
synthesized
by
phase
transformation,
using
hydrophilic
polyacrylonitrile
(PAN)
as
skeleton
structure,
potassium
cupric
ferricyanide
(KCuFC)
active
component
water-soluble
polymer
polyethylene
glycol
(PEG)
pore
regulator.
Characterization
revealed
that
addition
PEG
increased
volume
63%
BET
surface
area
172%.
KCuFC
powder
was
uniformly
dispersed
PAN-KCuFC-PEG,
its
crystal
structure
remained
stable
after
loading.
static
adsorption
experiments,
maximum
capacity
for
Rb+
reached
190
mg/g.
The
behavior
followed
pseudo-second-order
kinetic
model,
rate
jointly
controlled
external
diffusion,
intraparticle
chemical
reaction.
column
experiment,
used
to
adsorb
Qarhan
Lake
(K:
26,000
mg/L,
Rb:
65
mg/L).
NH4Cl
employed
elution
desorption
PAN-KCuFC-PEG.
During
adsorption–desorption
process,
factor
between
Rb
160,
96.6%,
overall
yield
68.3%.
enrichment
successfully
achieved.
Language: Английский
Research Status and Development Trends of Inorganic Salt Lake Resource Extraction Based on Bibliometric Analysis
Sustainability,
Journal Year:
2024,
Volume and Issue:
17(1), P. 121 - 121
Published: Dec. 27, 2024
Salt
lake
resources
are
unique
and
valuable
minerals
on
Earth
associated
with
specific
elements.
The
advancement
of
technology
the
rise
new
industries
progressively
showcasing
their
strategic
significance
for
economic
development.
This
study
used
bibliometrics
visualization
techniques
to
analyze
current
state
developmental
trends
research
salt
resource
exploitation,
both
domestically
globally.
A
total
760
articles
from
Science
Citation
Index
Expanded
(SCIE)
were
analyzed.
findings
reveal
that
processes
separation
extraction
have
progressed
through
three
distinct
stages:
germination
stage,
stable
development
rapid
stage.
China
has
offered
robust
policy
support
in
this
domain
at
national
level.
possesses
a
centrality
score
1.08
lakes,
50%
10
most
active
nations
situated
Asia
South
America.
prominent
institutions
comprise
Chinese
Academy
Sciences
(centrality
0.32),
Qinghai
Lake
Study
Institute
0.22),
University
0.14),
encompassing
diverse
array
subjects.
Keywords
2003
signify
initial
lithium
saline
whereas
those
2011
underscore
heightened
focus
integrated
utilization
multidisciplinary
study.
2015
indicate
an
intensified
emphasis
other
terms
“tributyl
phosphate”
(citation
strength
6.05)
“nanofiltration”
4.29)
exhibit
significant
interest
magnesium–lithium
water
treatment
technologies
employed
extraction,
receiving
highest
number
citations.
persistent
“lithium
ions”
signifies
increasing
demand
raw
materials
propelled
by
advancements
energy
sector.
Research
trend
analysis
indicates
sodium
stabilized,
magnesium,
byproduct
is
presently
key
downstream
product
applications.
Rare
elements
remain
experimental
industrialization
resources,
including
potassium,
lithium,
boron,
notably
advanced.
Future
should
mineralization
enrichment
patterns
potassium
developing
improved
methods
advancing
cost-effective
environmentally
friendly
boron
resources.
future
objective
lakes
transition
crude
methodology
refined,
sustainable,
intelligent
framework.
Language: Английский