Molecules,
Journal Year:
2025,
Volume and Issue:
30(7), P. 1435 - 1435
Published: March 24, 2025
The
adsorption
capacity
of
a
biochar
(BC)
obtained
from
pine
wood
residues
was
evaluated
for
its
ability
to
remove
two
pharmaceuticals:
fluoxetine
(FLX)
and
sulfamethizole
(SMZ).
material
showed
promising
results
in
FLX
removal,
but
limited
the
case
SMZ.
In
order
improve
these
results,
BC
surface
modifications
were
made
by
doping
with
nitrogen,
as
well
using
acid,
basic
electrochemical
treatments.
A
three-dimensional
electrosorption
treatment
proved
be
most
effective,
increasing
rate
0.45
13.46
mg/g
after
evaluating
different
operating
conditions,
such
electrodes
used
or
dosage.
Consecutive
cycles
use
performed
through
desorption
electro-regeneration
techniques
test
reuse,
it
observed
that
application
25
mA
electric
field
increased
useful
life
material.
Finally,
effect
ionic
strength
studied,
highlighting
presence
ions
did
not
significantly
affect
efficiency
SMZ
although
slight
increase
at
high
ion
concentration,
probably
due
salinization
effect.