Environments,
Journal Year:
2024,
Volume and Issue:
11(9), P. 203 - 203
Published: Sept. 17, 2024
The
remediation
of
environments
contaminated
with
per-
and
polyfluoroalkyl
substances
(PFAS)
has
become
a
growing
priority
due
to
the
persistent,
bioaccumulative,
toxic
characteristics
these
compounds.
To
promote
green
sustainable
practices,
it
is
crucial
assess
minimize
environmental
impacts
PFAS
projects
through
life
cycle
assessment
(LCA)
at
early
stages
planning.
So
far,
no
systematic
literature
review
been
published
current
state
art
or
identify
challenges
associated
applying
LCA
remediation.
This
article
provides
recent
on
LCAs
remediation,
following
ISO
14040
14044
standards.
results
indicate
that
application
remains
in
its
infancy
highly
fragmented.
Significant
methodological
variations,
including
differences
system
boundaries
data
quality,
hinder
comparability
benchmarking
across
studies.
enhance
use
as
decision
support
tool
for
assessment,
there
pressing
need
harmonization
improved
practices.
Key
areas
improvement
include
enhancing
reducing
uncertainties,
increasing
robustness
LCAs,
thereby
enabling
more
informed
decision-making
efforts.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
494, P. 153111 - 153111
Published: June 14, 2024
This
review
article
comprehensively
explores
the
significant
advancements
in
electrodialysis
(ED)
technology
within
field
of
chemical
engineering,
presenting
a
holistic
overview
that
spans
fundamental
principles,
membrane
materials
and
fabrication
techniques,
operational
parameters,
wide
array
applications.
Unlike
previous
studies
often
narrow
their
focus
to
specific
aspects
ED,
this
work
synthesizes
global
advances,
bridging
gaps
between
diverse
research
themes
offer
coherent
understanding
current
trends
future
directions.
membrane-based
separation
process
driven
by
electric
potential,
is
pivotal
for
its
applications
water
purification,
desalination,
resource
recovery,
beyond.
delves
into
evolution
ion-exchange
membranes,
highlighting
innovations
materials,
alongside
advances
techniques
enhance
selectivity
efficiency.
It
also
scrutinizes
impact
parameters
on
performance
ED
systems,
addressing
challenges
like
ion
leakage,
fouling,
balance
conductivity.
Process
intensification
system
optimization
strategies
are
discussed,
revealing
how
recent
developments
contribute
energy
efficiency,
scalability,
sustainability.
The
further
extends
emerging
sectors
ranging
from
environmental
management
hydrometallurgy
industries,
underscored
case
demonstrate
practical
implementations.
Conclusively,
underlines
multidisciplinary
approach
required
advancement
technologies,
suggesting
avenues
prioritize
impact,
economic
feasibility,
technological
innovation.
Through
perspective,
it
aims
catalyze
exploration
application
some
most
pressing
challenges.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
495, P. 153668 - 153668
Published: July 2, 2024
This
work
reports
on
the
first
use
of
deep
eutectic
solvents
(DESs)
as
an
environmentally
sustainable
solution
for
extractive
removal
perfluorooctanoic
acid
(PFOA),
one
most
prevalent
and
persistent
emerging
contaminants,
from
aqueous
media.
The
design
framework
DESs
was
based
multiple
metrics,
including
extraction
performance,
density,
viscosity,
environmental
impact,
hydrophobicity.
Through
multi-criteria
evaluation
ten
candidate
DESs,
trioctylphosphine
oxide
lauric
(TOPO:LauA,
1:1)
demonstrated
exceptional
single-stage
efficiency
(99.74
%),
far
outperforming
toluene
benchmark
(82.26
showing
favorable
characteristics
across
all
other
assessed
criteria.
Remarkably,
(>98
%)
TOPO:LauA
sustained
diverse
operational
conditions.
latter
included
a
broad
pH
temperature
spectrum
(3–9
pH;
15–100
°C),
solvent-to-feed
ratios
down
to
1:7
(w/w),
contaminant
concentrations
low
0.100
mg/L,
rapid
equilibration
within
1
min,
reusability
throughout
seven
cycles
without
any
observable
degradation,
verified
by
spectroscopic
analysis.
also
selectivity
PFOA,
in
presence
per-
polyfluoroalkyl
substances
(PFAS)
or
synthetic
wastewater
matrix
simulating
municipal
wastewater.
Moreover,
computational
quantum
chemistry
modeling
using
density
functional
theory
(DFT)
COSMO-RS,
implemented
Materials
Studio
COSMOtherm
software,
employed.
provided
insights
into
molecular
mechanism
strong
agreement
with
experimental
findings.
development
this
new
DES
PFOA
is
critical
breakthrough
water
treatment
that
surpasses
efficacy,
sustainability,
scalability
traditional
PFAS
conventional
methods
PFAS,
such
adsorption
membrane
separation.
Eco-Environment & Health,
Journal Year:
2024,
Volume and Issue:
3(3), P. 355 - 368
Published: June 27, 2024
The
detection
of
per-
and
polyfluoroalkyl
substances
(PFAS)
in
water
presents
a
significant
challenge
for
developing
countries,
requiring
urgent
attention.
This
review
focuses
on
understanding
the
emergence
PFAS
drinking
water,
health
concerns,
removal
strategies
systems
countries.
indicates
need
more
studies
to
be
conducted
many
nations
due
limited
information
environmental
status
fate
PFAS.
consequences
are
enormous
cannot
overemphasized.
Efforts
ongoing
legislate
national
standard
water.
Currently,
there
few
known
mitigation
efforts
from
African
contrast
several
Asia.
Therefore,
is
an
develop
economically
viable
techniques
that
could
integrated
into
large-scale
operations
remove
region.
However,
despite
success
achieved
with
removing
long-chain
required
eliminating
short-chain
moieties