Compounds,
Journal Year:
2024,
Volume and Issue:
4(4), P. 679 - 687
Published: Nov. 4, 2024
Advancements
in
membrane
separation
techniques
will
expand
the
applications
and
requirements
for
highly
specialized,
inventive,
efficient,
resistant
materials.
The
selective
of
rare
earth
elements
(REEs)
is
one
expanding
membrane-based
techniques,
as
their
use
becoming
more
widespread.
Membrane
are
increasingly
desired
environmentally
friendly,
straightforward
methods
treating
wastewater
separating
metals.
For
REEs,
an
innovative
impregnated
mixed-matrix
(IMMM)
technique
was
developed
this
study.
It
provides
a
selective,
reusable
method
that
suitable
industrial
applications.
Terbium
selectively
adsorbed
from
other
REEs
using
organophosphorus
IMMM
with
loading
capacity
113.2
mg/g
3
h
reused
three
times
without
destroying
initial
membrane.
Solvent
impregnation
thought
to
offer
specific
chelation
sites
terbium
separation.
Processes,
Journal Year:
2024,
Volume and Issue:
12(6), P. 1235 - 1235
Published: June 16, 2024
Rare
earth
elements
(REEs)
are
at
the
forefront
of
discussions,
given
their
crucial
role
in
cutting-edge
and
eco-friendly
innovations
that
propel
industrial
revolution
towards
a
green
economy.
These
have
become
indispensable
to
various
modern
technologies,
such
as
smartphones,
electronic
devices,
renewable
energy
sources.
Many
different
concepts
analyses
been
introduced,
chemical
similarities
among
REEs,
health
risks
ecological
damages,
negative
environmental
impacts
current
recovery
processes,
strategies
for
advancing
REE
circular
Although
these
widely
used
applications
over
last
20
years,
literature
on
aspects
is
fragmented
spread
across
research
areas,
shared
by
multiple
branches
application
fields.
fields
include
safety
concerns,
economic
challenges,
technology.
Summarizing
classifying
this
challenging
due
its
nature,
variety
topics,
approaches
used.
The
quest
cleaner
recycling
necessitates
comprehensive
assessment
covering
economic,
technological,
aspects.
primary
goal
review
provide
holistic
perspective
with
central
focus
dimensions,
particularly
emphasizing
reuse,
recycling,
occupational
safety.
begins
addressing
complexities
highlighting
associated
considerations.
It
further
explores
reuse
shedding
light
advantages,
drawbacks,
hazards,
costs
technologies
recovery.
Additionally,
summarizes
exposure
considerations
related
REEs.
ACS Sustainable Resource Management,
Journal Year:
2023,
Volume and Issue:
1(1), P. 17 - 27
Published: Nov. 29, 2023
The
advancements
in
high-tech
products
and
pursuit
of
renewable
energy
demand
a
massive
continuously
growing
supply
rare
earth
elements
(REE).
However,
REE
production
from
mining
is
heavily
restricted
by
technoeconomic
limitations
global
geopolitical
tensions.
Municipal
solid
waste
incineration
ash
(MSWIA)
has
been
recently
recognized
as
potential
alternative
for
recovery.
This
study
applies
optimizes
green
modular
treatment
system
using
organic
ligands
effective
recovery
concentration
MSWIA
with
minimal
generation
secondary
wastes.
Citrate
extracted
>80%
total
at
pH
2.0
∼60%
4.0.
A
subsequent
oxalate
precipitation
step
selectively
concentrated
>98%
∼7-12
times
compared
to
raw
MSWIA.
Waste
byproducts
were
upcycled
synthesize
zeolites,
resulting
an
overall
volume
reduction
∼80%
heavy
metal
immobilization
efficiency
∼75%
negligible
leaching,
bringing
the
dual
benefits
management.
work
serves
pioneer
emerging
source
provides
level
insights
on
practicality
simple
three-step
system.
Compared
existing
literature,
this
features
low
chemical/energy
input
light
environmental
footprint.
