Ecotoxicology and Environmental Safety,
Journal Year:
2023,
Volume and Issue:
257, P. 114930 - 114930
Published: April 19, 2023
The
reduction
of
Cd
and
Pb
accumulation
in
wheat
grains
grown
on
contaminated
alkaline
soils
is
a
pressing
issue
that
needs
to
be
solved.
In
this
study,
ferromanganese
functionalized
biochar
(FM-BC)
was
used
remediate
mitigate
grains.
immobilization
capacity
mechanism
FM-BC
were
investigated
by
Fourier
transform
infrared
spectroscopy
(FT-IR)
X-ray
diffraction
(XRD)
characterization
chemical
analysis.
Fe
Mn
loaded
improved
the
removal
efficiencies
DTPA-Cd
DTPA-Pb
soil
with
22.99%-
52.04%
(JM22)
25.54%-
53.32
(AK58)
11.39%-
22.36%
5.38%-
13.00%
(AK58).
FT-IR
XRD
results
indicated
complexation
precipitation
Fe-Mn
oxides
oxygen-containing
functional
groups
surface
stabilized
for
observation
Cd2Mn3O8,
PbHPO4,
CdCO3,
PbO2
isolated
from
soils.
excellent
adsorption
reduced
available
soil,
therefore,
thereby
inhibiting
wheat.
3%
treatment,
contents
lower
than
0.10
mg/kg
0.20
mg/kg,
respectively,
reaching
national
safety
standards.
And
increased
Fe,
Mn,
Na
Zn
grains,
growth
yield
These
findings
suggest
can
considered
prospective
effective
material
remediation
Pb.
