Chemical Engineering and Processing - Process Intensification,
Год журнала:
2024,
Номер
204, С. 109937 - 109937
Опубликована: Авг. 8, 2024
The
increasing
production
of
electric
and
electronic
devices
corresponds
to
the
significant
increase
e-waste.
These
solid
wastes
contain
a
great
amount
metals,
thus
representing
secondary
source
precious
elements,
within
circular
economy
context.
recovery
metals
from
waste
provides
opportunity
decrease
energy
consumption
environmental
impact
associated
with
typical
processes
for
metal
extraction.
Along
conventional
methods
(i.e.,
pyrometallurgy
hydrometallurgy),
some
emerging
technologies
are
being
developed
particular
emphasis
on
process
intensification
(PI).
Greener
leaching
agents,
lower
temperatures
combination
different
approaches
most
reported
obtain
more
sustainable
recovery.
In
this
perspective
article,
recent
advances
in
critically
reviewed,
focusing
attention
PI
strategies
adopted
improve
efficiency
reduce
whole
process.
Some
tolls,
such
as
design
experiments
(DoE),
life
cycle
assessment
(LCA),
machine
learning
proposed
address
challenges
dissemination
innovative
solutions.
Production & Manufacturing Research,
Год журнала:
2023,
Номер
11(1)
Опубликована: Март 2, 2023
The
management
of
waste
from
electrical
and
electronic
equipments
(WEEEs)
is
a
well-established
topic
in
the
extant
literature.
However,
also
automotive
sector
becoming
relevant
source
WEEE,
given
even
more
presence
components
cars.
Due
to
new
European
environmental
policies,
end-of-life
vehicles
(ELVs)
volumes
are
expected
grow
next
future,
together
with
obsolete
car
electronics
components.
Hence,
this
work
wants
assess
potential
economic
impact
derived
recycling
processes
adopting
Net
Present
Value
(NPV)
as
reference
indicator.
Through
detailed
sensitivity
break-even
point
(BEP)
analysis
comparison
different
cases,
identifies
set
scenarios
useful
for
industrial
actors
willing
enter
market
recycling.
Results
show
an
NPV
varying
136,570
607,621
€/t
decisive
role
played
by
gold
recovery.
Abstract
Radioactive
waste
has
become
a
critical
concern
due
to
its
adverse
impacts
on
the
sustainability
of
living
organisms
and
environment.
The
is
widely
generated
from
various
nuclear
activities,
such
as
power
generation,
healthcare,
industry,
mining,
research.
Recently,
there
been
an
intense
focus
developing
electrochemical
techniques
for
radioactive
management
these
offer
several
advantages
compared
other
methods,
including
cleanliness,
versatility,
environmental
friendliness,
ease
operation,
good
compatibility
with
methods.
This
article
aims
provide
comprehensive
overview
electrochemical‐based
methods
development
their
capabilities
extract
radionuclides
liquid
wastes.
follows
traditional
literature
review
method,
unsystematically
collecting
publications
2009
2024
analyzing
them
using
theoretical
approach
comparative
data.
Various
techniques,
electrodeposition,
electro‐Fenton,
electrodialysis,
electrocoagulation
flotation,
microbial
fuel
cells,
electrosorption/capacitive
deionization,
photoelectrocatalysis,
have
discussed.
main
includes
radionuclide
types,
electrodes,
process
conditions,
well
extraction
effectiveness.
highlights
application
technologies
in
treatment
provides
analysis
support
future
research
development.
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
Abstract
Wastewater
treatment
by
electrocoagulation
(EC)
using
waste-derived
electrodes
is
an
emerging
and
promising
solution
for
closing
resource
loops
at
urban-irrigated
intersections.
However,
there
a
knowledge
gap
in
integrating
crop
water
dynamics
into
this
application.
This
article
presents
framework
to
integrate
agrometeorological
analysis
(FAO56
model)
waste
information
energy
electrochemical
models
(Faraday’s
laws
of
dissolution).
The
model
was
parameterized
study
site
comprising
large
institution
surrounded
irrigated
trees.
On-site
experiments
showed
that
dosages
aluminum
(Al)
iron
(Fe)
scrap,
as
low
0.2–0.6
g/m3,
achieved
significant
removals
(75–94%)
COD,
BOD,
TSS,
turbidity,
met
irrigation
standards.
Onsite
metal
generation
(593
kg/month)
could
accommodate
~
98,000
m2
surrounding
lands.
Crop
production
capacities
scrap
metals
(food
per
scrap)
were
estimated
reach
23.3
kg/kg,
specifically
Al
scrap.
Energy
demand
be
maintained
steady
0.58
kWh/m³
dynamics,
allowing
flexible
renewable
integration.
Validation
components
revealed
estimating
comprised
larger
uncertainty
than
modeling
electrode
consumption.
reuse
shows
potential
WEFE
nexus
application
but
raises
some
socioeconomic
concerns
such
impacts
on
scavengers’
livelihoods.
Pilot-scale
wider
assessments
are
strongly
encouraged
gain
improved
insights.
IntechOpen eBooks,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 23, 2025
The
recovery
of
vital
minerals
can
be
achieved
by
electrochemical
methods,
which
are
flexible
and
efficient
approaches
to
satisfy
the
growing
demands
technological
advancements
green
economy.
In
this
chapter,
basic
ideas
real-world
uses
techniques
such
as
electrowinning,
electrorefining,
electrolysis
in
mineral
examined.
Lithium,
cobalt,
rare
earth
elements,
other
important
selectively
recovered
from
ores,
industrial
waste,
recycled
materials.
study
critically
examines
how
electrode
design,
electrolyte
composition,
operating
conditions
might
maximize
efficiency.
Recent
innovations
like
membrane-based
separation,
ionic
liquid
integration,
energy-powered
systems
highlighted
for
their
potential
increase
sustainability
reduce
environmental
impact.
Emerging
methods
overcoming
these
obstacles
discussed
along
with
challenges,
including
energy
consumption,
scalability,
handling
complicated
matrices.
This
chapter
highlights
importance
circular
economy
crucial
role
protecting
resources
upcoming
breakthroughs
offering
a
thorough
review.
Surfaces and Interfaces,
Год журнала:
2024,
Номер
46, С. 104015 - 104015
Опубликована: Фев. 16, 2024
For
the
first
time,
we
describe
synthesis
of
Pd
nanoparticles
(Pd(0))
using
2-aminodiphenylamine
(2ADPA)
with
graphene
oxide
as
support.
Furthermore,
incorporated
Pd(0)-2ADPA,
which
was
enriched
and
used
to
modify
a
glassy
carbon
electrode
surface.
We
this
catalyst
methanol
oxidation
reaction
(MOR)
in
basic
solution
exhibits
good
catalytic
behavior
within
fuel
cell
application
removal
Otto
II
component.
Several
characterizations
evidence
successful
formation
Pd(0)-2ADPA
by
spectroscopic
optical
techniques.
have
studied
reduction
2-nitrodiphenylamine
(2-NDPA)
investigate
performance
synthesized
material.
various
electrochemical
methods,
for
example,
chronoamperometry
(CA)
cyclic
voltammetry
(CV)
impedance
spectroscopy
(EIS),
review
stability
our
proposed
catalyst.
The
electrocatalyst
improved
covering
it
2ADPA.
newly
Pt-free
is
incredibly
favorable
facilitating
direct
cost
due
incorporation
conductive
polymer
support
