Molecules,
Journal Year:
2024,
Volume and Issue:
29(19), P. 4624 - 4624
Published: Sept. 29, 2024
Electronic
waste
(e-waste)
contains
valuable
rare
earth
elements
(REEs)
essential
for
various
high-tech
applications,
making
their
recovery
crucial
sustainable
resource
management.
This
review
provides
an
overview
of
the
occurrence
REEs
in
e-waste
and
discusses
both
conventional
emerging
green
technologies
recovery.
Conventional
methods
include
physical
separation,
hydrometallurgy,
pyrometallurgy,
while
innovative
approaches
such
as
bioleaching,
supercritical
fluid
extraction,
ionic
liquid
lanmodulin-derived
peptides
offer
improved
environmental
sustainability
efficiency.
The
article
presents
case
studies
on
extraction
from
permanent
magnets
fluorescent
powders,
highlighting
specific
processes
involved.
Future
research
should
focus
developing
eco-friendly
leaching
agents,
separation
materials,
process
optimization
to
enhance
overall
efficiency
REE
e-waste,
addressing
concerns
effectively.
Arabian Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
17(6), P. 105777 - 105777
Published: April 5, 2024
Soil
contamination
by
lead,
zinc,
iron,
manganese,
and
copper
is
a
widespread
environmental
issue
associated
with
the
mining
industry.
Primary
sources
include
activities,
production
processing
operations,
waste
disposal
management
practices,
atmospheric
sediments.
degradation,
water
pollution
impacting
aquatic
ecosystems,
plant
absorption
leading
to
agricultural
product
contamination,
health
risks
exposure
copper,
along
effects
on
fauna
biodiversity,
constitute
primary
impacts
of
contamination.
In
this
study,
diverse
sampling
analysis
methods,
geographic
information
systems,
remote
sensing
techniques
are
investigated
for
monitoring
assessing
soil
these
metals.
modification
techniques,
phytoremediation,
other
strategies
reduction
considered
among
most
crucial,
alongside
protection
risk
strategies.
Finally,
article
explores
innovative
methods
solutions
mineral
remediation,
application
green
chemistry
sustainable
practices
in
industry,
utilization
artificial
intelligence
controlling
heavy
metal
ion
pollution.