Journal of Physics D Applied Physics,
Journal Year:
2024,
Volume and Issue:
57(21), P. 215204 - 215204
Published: Feb. 20, 2024
Abstract
The
present
study
focuses
on
the
characterization
of
a
hyperbolic
vortex
plasma
reactor
through
comparison
various
plasma-atmospheric
regimes
for
production
efficiency
reactive
nitrogen
(RNS)
and
oxygen
(ROS)
species.
research
also
explores
effectiveness
in
removal
micropollutants,
including
pharmaceuticals
per-
polyfluoroalkyl
substances
(PFAS).
technology
includes
several
degradation
mechanisms,
such
as
advanced
oxidation,
ultraviolet
photolysis,
ozonation,
electrolysis,
shockwave
water
purification,
without
need
additional
chemicals.
Our
results
indicate
that
bipolar
or
‘flashover’
mode
is
notably
more
effective
efficient
than
both
positive
negative
polarity.
Through
testing
energy
levels,
it
has
been
demonstrated
higher
yields
lower
but
necessitates
shorter
treatment
times
compared
to
treatment.
When
produced
under
ambient
atmosphere,
chemical
properties
change
significantly
argon
(Ar)
(N
2
)
due
presence
N
molecules.
In
predominant
formation
RNS
reactivity
exited
states,
whereas
Ar
predominantly
ROS
are
generated.
Notable
advantages
this
its
scalability
low
requirements.
involves
increasing
size
reactor,
power
electrode
count.
Journal of Hazardous Materials Advances,
Journal Year:
2022,
Volume and Issue:
6, P. 100091 - 100091
Published: May 1, 2022
Microplastic
formation
in
aqueous
systems
is
among
the
inevitable
consequences
of
plastic
pollution,
which
has
cascading
environmental
and
health
implications.
As
microplastic
sizes
get
smaller
over
time,
their
surface
areas
increase,
creates
an
implicit,
dynamic,
inflating
new
domain,
called
microplastisphere.
This
study
summarizes
critically
reviews
literature
on
adsorption
organic
compounds
(OCs),
are
already
our
aquatic
systems,
onto
surfaces.
investigation
a
database
91
articles,
68
used
analysis
for
178
OCs
via
770
isotherms.
The
four
most
prevalent
polymer
types
throughout
polyethylene
(PE),
polystyrene
(PS),
polypropylene
(PP),
polyvinyl
chloride
(PVC).
Our
revealed
that
octanol-water
partitioning
coefficient,
Kow,
can
be
good
surrogate
capacity
some
OC
types;
however,
hydrophobicity
alone
may
not
necessarily
indicate
affinity.
water
chemistry
also
played
notable
roles
process,
evidenced
by
dramatic
enhancement
during
per-
polyfluoroalkyl
(PFAS)
PS
saltwater
conditions.
However,
work
concluded
variability
within
indicates
strong
need
defined
microplastics
characterization
testing
procedures
to
better
represent
interactions
with
environment.
International Journal of Environmental Research and Public Health,
Journal Year:
2022,
Volume and Issue:
19(24), P. 16397 - 16397
Published: Dec. 7, 2022
Per-
and
polyfluoroalkyl
substances
(PFASs)
are
a
family
of
highly
toxic
emerging
contaminants
that
have
caught
the
attention
both
public
private
sectors
due
to
their
adverse
health
impacts
on
society.
The
scientific
community
has
been
laboriously
working
two
fronts:
(1)
adapting
already
existing
effective
technologies
in
destroying
organic
for
PFAS
remediation
(2)
developing
new
remediate
PFAS.
A
common
characteristic
areas
is
separation/removal
PFASs
from
other
or
media,
followed
by
destruction.
widely
adopted
separation
can
remove
being
contact
with
humans;
however,
they
remain
environment
continue
pose
risks.
On
hand,
destructive
discussed
here
effectively
destroy
compounds
fully
address
society's
urgent
need
this
harmful
chemical
compounds.
This
review
reports
compare
accepted
as
well
destruction
technologies.
Some
presented
still
under
development
at
lab
scale,
while
others
tested
field.
Case Studies in Chemical and Environmental Engineering,
Journal Year:
2024,
Volume and Issue:
9, P. 100623 - 100623
Published: Jan. 14, 2024
Alarming
concern
over
the
persistence
and
toxicity
of
per-
polyfluoroalkyl
substances
(PFAS)
in
environment
has
created
an
imperative
need
for
designing
redesigning
strategies
their
detection
remediation.
Conventional
PFAS
removal
technologies
that
uses
physical,
chemical,
or
biological
methods.
Increase
diversity
quantity
entering
necessitated
developing
more
advanced
integrated
removal.
Despite
advances
reported
this
domain,
there
exist
a
huge
research
gap
to
be
mentored
tackle
problems
associated
with
mitigation
combined
wide
variety
environment.
The
possibility
combine
other
emerging
contaminants
poses
additional
threat
existing
treatment
methods
thereby
stressing
continuous
monitoring
updating
processes.
This
review
work
aims
at
understanding
structure,
entry,
fate
different
types
Further
in-depth
discussion
regarding
levels
is
elaborated
review.
process
description
recent
remediation
techniques
along
significance,
limitations
integration
discussed
detail.
detailed
outlook
on
advantages
insight
into
recently
developed
outlined
Pollutants,
Journal Year:
2024,
Volume and Issue:
4(1), P. 136 - 152
Published: March 6, 2024
Per-
and
polyfluoroalkyl
substances
(PFAS)
belong
to
a
group
of
synthetic
compounds
that
have
recently
raised
concerns
about
human
health
environmental
quality
due
their
great
prevalence,
degradation
resistance,
potential
toxicity.
This
review
focuses
on
the
applications
PFAS
effects
health.
Specific
emphasis
has
been
laid
(i)
application/use
PFAS,
(ii)
sources
distribution
in
diverse
compartments,
(iii)
impact
Significant
humans
are
associated
with
exposure
i.e.,
immunotoxicity,
thyroid
kidney
disorders,
cancer,
etc.
Conclusions
obtained
from
studies
demonstrate
inadequate
evidence
should
not
be
used
justify
delaying
risk
reduction
steps
for
alternatives.
can
determined
different
matrices
using
both
traditional
analytical
approaches,
liquid
chromatography
coupled
mass
spectrometry
(LC-MS/MS)
semi-quantitative
passive
sampling,
advanced
methods
colorimetric,
spectrofluorimetric,
electrochemical
detection.
Traditional
costly
broadly
available,
while
emerging,
cost-effective
less
sensitive
unable
meet
regulatory
limits.
There
is
still
significant
number
performed
fully
comprehend
real
contamination
by
PFAS.
Chemosphere,
Journal Year:
2024,
Volume and Issue:
357, P. 142088 - 142088
Published: April 20, 2024
Per-
and
poly-fluoroalkyl
substances
(PFAS)
are
synthetic
chemicals
widely
used
in
everyday
products,
causing
elevated
concentrations
drinking
water
posing
a
global
challenge.
While
adsorption
methods
commonly
employed
for
PFAS
removal,
the
substantial
cost
environmental
footprint
of
commercial
adsorbents
highlight
need
more
cost-effective
alternatives.
Additionally,
existing
exhibit
limited
effectiveness,
particularly
against
diverse
types,
such
as
short-chain
PFAS,
necessitating
modifications
to
enhance
capacity.
Biochar
can
be
considered
eco-friendly
alternative
conventional
adsorbents.
With
abundant
feedstocks
favorable
physicochemical
properties,
biochar
shows
significant
potential
applied
an
adsorbent
removing
contaminants
from
water.
Despite
its
effectiveness
adsorbing
different
inorganic
organic
environments,
some
factors
restrict
effective
application
adsorption.
These
related
characteristics
well
chemistry.
Therefore,
have
been
introduced
overcome
these
limitations
improve
biochar's
This
review
explores
preparation
conditions,
including
pyrolysis
process,
activation,
modification
techniques
capacity
types
PFAS.
It
addresses
critical
questions
about
performance
composites,
mechanisms
governing
adsorption,
challenges,
future
perspectives
this
field.
The
surge
research
on
indicates
growing
interest,
making
timely
valuable
resource
in-depth
exploration
remediation.
