Journal for Research in Applied Sciences and Biotechnology,
Journal Year:
2023,
Volume and Issue:
2(3), P. 317 - 323
Published: June 30, 2023
Through
this
research,
information
on
methods
of
PFAS
degradation
through
thermal
destruction
processes
and
analysis
the
efficiency
by
temperature
conditions
in
atmosphere
is
provided.
These
experiments
were
carried
out
at
different
temperatures
from
400°C
to
1,200°C
under
both
reducing
oxidizing
setter
gases.
The
findings
suggest
that
plays
a
big
role
rates
with
oxidative
promoting
PFAS.
results
obtained
showed
900°C
above
was
over
90%
as
well
low
content
toxic
compounds.
developed
study
suggests
high
can
be
viable
technique
for
PFASs,
but
heat
energy
consumption
formation
by-products
should
controlled.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(23), P. 8796 - 8807
Published: May 17, 2023
In
this
study,
we
investigated
the
thermal
decomposition
mechanisms
of
perfluoroalkyl
ether
carboxylic
acids
(PFECAs)
and
short-chain
(PFCAs)
that
have
been
manufactured
as
replacements
for
phased-out
per-
polyfluoroalkyl
substances
(PFAS).
C-C,
C-F,
C-O,
O-H,
C═C
bond
dissociation
energies
were
calculated
at
M06-2X/Def2-TZVP
level
theory.
The
α-C
carboxyl-C
energy
PFECAs
declines
with
increasing
chain
length
attachment
an
electron-withdrawing
trifluoromethyl
(-CF
ACS ES&T Water,
Journal Year:
2024,
Volume and Issue:
4(4), P. 1191 - 1205
Published: March 8, 2024
Recent
literature
has
seen
a
significant
surge
in
studies
focusing
on
new
adsorbent
materials
for
per-
and
polyfluoroalkyl
substances
(PFASg),
class
of
contaminants
found
natural
waters
worldwide
that
pose
considerable
threat
to
human
environmental
health.
Despite
growing
interest,
the
fundamental
mechanisms
PFAS
adsorption
these
are
not
fully
understood,
thus
hindering
progress
developing
effective
solutions
removal.
This
Review
aims
bridge
knowledge
gap
by
offering
critical
appraisal
recent
innovations
specifically
designed
treating
PFAS.
Strategies
aimed
at
enhancing
nanopore
capacity
or
introducing
anion-exchange
capabilities
have
shown
promise.
Innovative
such
as
carbon
nanotubes,
graphene,
graphene
oxide
evaluated.
Modified
clay-based
silica-based
adsorbents
demonstrated
efficacy
removing
PFAS,
driven
hydrophobic
effect,
Coulombic
interactions,
electrostatic
interactions.
Polymers,
ranging
from
types
synthetic
variants,
promise
removal
across
wide
pH
range.
We
discuss
including
F–F
ion-pair
adsorption,
ion
exchange
chemically
thermally
modified
provide
general
guideline
design
adsorbents.
offers
holistic
view
advances
related
materials.
Journal of Hazardous Materials Advances,
Journal Year:
2023,
Volume and Issue:
10, P. 100311 - 100311
Published: May 1, 2023
This
study
evaluated
the
performance
of
five
commercially
available
granular
activated
carbons
(GACs)
derived
from
different
sources
for
removal
short-chain
and
long-chain
per-
polyfluoroalkyl
substances
(PFAS)
raw
pretreated
landfill
leachate
using
ozonation
to
break
down
organic
substances.
The
adsorption
isotherms
PFAS
on
GAC
in
organic-free
water
surface
were
also
established
understand
effect
chemistry.
results
demonstrated
that
bituminous
GACs
have
highest
capacity
compared
made
coconut
shells
lignite
coal.
was
two
orders
magnitude
lower
than
water.
Pretreatment
by
moderately
increased
GAC.
is
first
time
isotherm
data
are
mainstream
samples.
Such
can
be
used
design
a
treatment
system
removing
leachate.
Furthermore,
our
showed
contaminated
with
could
effectively
regenerated
conventional
muffle
tube
furnaces,
indicating
presence
other
has
no
significant
impact
reactivation
Lastly,
indicate
induction
heating
an
efficient
rapid
method
thermally
reactivating
various
PFAS.
Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(45), P. 19398 - 19417
Published: Nov. 4, 2024
Atmospheric
CO2
concentrations
keep
increasing
at
intensifying
rates
due
to
rising
energy
and
material
demands.
The
chemical
production
industry
is
a
large
consumer,
responsible
for
up
935
Mt
of
emissions
per
year,
decarbonization
its
major
goal
moving
forward.
One
the
primary
sources
consumption
in
sector
associated
with
use
heat
synthesis,
which
conventionally
was
generated
through
combustion
fossil
fuels.
To
address
this
grand
challenge,
Joule
heating
has
emerged
as
an
alternative
method
that
greatly
increases
process
efficiency,
reducing
both
greenhouse
gas
emissions.
In
Review,
we
discuss
key
concepts
govern
these
processes
including
selection
reactor
design,
well
current
state-of-the-art
literature
employing
synthesize
commodity
chemicals
along
advanced
materials
such
graphene,
metal
species,
carbides.
Finally,
provide
perspective
on
future
research
avenues
within
field,
can
facilitate
widespread
adoption
decarbonizing
industrial
processes.
