Biochar,
Journal Year:
2025,
Volume and Issue:
7(1)
Published: Jan. 17, 2025
Abstract
Per-
and
polyfluoroalkyl
substances
(PFASs),
commonly
known
as
‘‘forever
chemicals’’,
are
persistent
organic
pollutants
that
widely
distributed
in
the
environment.
Due
to
their
toxicity
resistance
degradation,
PFASs
classified
emerging
contaminants,
increasing
attention
is
being
paid
remediation.
Biochar,
an
environmentally
friendly
cost-effective
adsorbent,
shows
potential
for
remediating
contamination.
The
application
of
biochar
remediation
has
garnered
growing
interest.
Compared
other
adsorbents,
more
economical
raw
materials
its
preparation
readily
available.
However,
there
currently
no
comprehensive
review
summarizing
effects
on
environmental
behavior
PFASs.
This
aims
fill
gap
by
providing
in-depth
discussion
synthesis
existing
literature
this
area.
It
focuses
PFASs,
specifically
addressing
adsorption
mechanisms
factors
influencing
effectiveness
A
proposed
mechanism
which
photodegrades
through
generation
free
radicals,
addition
conventional
(such
pore
filling,
hydrogen
bonding,
hydrophobic
interactions,
electrostatic
interactions),
explored.
Furthermore,
discusses
ability
reduce
likelihood
entering
food
chain
water
soil
evaluates
feasibility
limitations
using
removal.
Finally,
we
identify
future
research
directions
support
safe
effective
use
remediation,
so
promote
advancement
green
technologies.
Graphic
Biochar,
Journal Year:
2022,
Volume and Issue:
4(1)
Published: Oct. 11, 2022
Abstract
Biochar
is
a
waste-derived
material
that
can
sequester
carbon
at
large
scale.
The
development
of
low-carbon
and
sustainable
biochar-enhanced
construction
materials
has
attracted
extensive
interest.
Biochar,
having
porous
nature
highly
functionalised
surface,
provide
nucleation
sites
for
chemical
reactions
exhibit
compatibility
with
cement,
asphalt,
polymer
materials.
This
study
critically
reviewed
the
state-of-the-art
materials,
including
biochar-cement
composites,
biochar-asphalt
biochar-plastic
etc.
efficacies
mechanisms
biochar
as
were
articulated
to
improve
their
functional
properties.
critical
review
highlighted
roles
in
cement
hydration,
surface
groups
engineered
promoting
reactions,
value-added
merits
(such
humidity
regulation,
thermal
insulation,
noise
reduction,
air/water
purification,
electromagnetic
shielding,
self-sensing).
major
properties
are
correlated
features
functionalities
Further
advances
our
understanding
biochar’s
various
composites
foster
next-generation
design
carbon–neutral
Graphical