Vietnam Journal of Catalysis and Adsorption,
Journal Year:
2024,
Volume and Issue:
13(1), P. 123 - 128
Published: March 30, 2024
Research
results
on
the
adsorption
process
of
halloysite
material
in
Thach
Khoan,
Phu
Tho
area
for
Pb2+
showed
that
this
has
good
ability
with
an
efficiency
90.75%
under
optimal
conditions.
The
desorption
from
Pb-adsorbed
and
also
recovery
metallic
Pb
by
electrochemical
precipitation
method
been
studied.
electrolysis
was
carried
out
constant
current
mode
0.01M
HCl
electrolyte
system
including
a
working
electrode
as
Au
(geometric
1
cm2),
reference
silver/silver
chloride
electrode,
counter
Pt
grid.
effects
intensity,
mass
adsorbed
material,
time
were
evaluated.
obtained
show
that,
conditions:
density
5
mA/cm2,
0.3
g,
h,
temperature
25oC,
reached
93.67%.
result
shown
is
effective
desorbing
recovering
Pb.
