Sustainability,
Год журнала:
2024,
Номер
16(17), С. 7426 - 7426
Опубликована: Авг. 28, 2024
To
seek
a
restoration
plan
for
the
safe
use
of
agricultural
land
around
mining
areas,
this
study
focuses
on
regions
plant
in
Huidong
County,
western
Sichuan
Province,
affected
by
lead–zinc
mining,
and
precise
remediation
heavy
metal
pollution
through
large-scale
synthesis
iron
silicate.
In
study,
we
investigated
vicinity
area
proposed
treatment
strategy
using
silicate
to
mitigate
pollution.
According
field
investigation
sampling
analysis,
collected
soil
samples
contained
excessive
Cd,
Pb,
Zn.
Cd
is
related
mining.
The
planting
crops
such
as
loquats
garlic
with
high
accumulation
coefficient
was
found
inappropriate
research
area.
Instead,
it
recommended
economically
important
like
mangoes
peaches
which
had
lower
accumulation.
On
basis
investigation,
seriously
polluted
metals,
among
4.0
times
higher
than
standard
land.
order
accurately
passivate
Zn,
material
put
into
mass
production.
situ
passivation
experiments
showed
that
when
water
content
between
25%
20%,
adding
4%
could
rapidly
reduce
effective
metals
other
cash
about
8%.
After
conducting
has
been
determined
preparation
can
repair
contaminated
areas.
conclusion,
capable
effectively
reducing
facilitating
utilization
The
water-level-fluctuation
zone
of
a
reservoir
is
an
important
connection
between
land
and
water;
due
to
counter-seasonal
rhythmic
water
level
changes,
this
area
more
sensitive
vulnerable,
whereas
the
assessment
management
heavy
metal
pollution
are
still
elusive.
This
study
selected
in
hinterland
Three
Gorges
Reservoir.
Through
quadrats
investigation,
soil
status
seven
metals
composition
herbaceous
plants
were
identified,
potential
dominant
species
for
phytoremediation
was
assessed.
results
showed
that
overall
at
alert
(PN
=
0.97)
low
ecological
risk
(RI
123.12).
And
primarily
contaminated
by
mixed
source
traffic,
agriculture,
industry.
A
total
17
calculated
using
importance
values.
Most
had
better
Cd
Cu.
None
hyperaccumulators,
but
they
could
play
role
their
high
adaptability
specific
environments.
have
guiding
significance
remediation
global
areas,
further
promoting
security
sustainable
development.
Agriculture,
Год журнала:
2025,
Номер
15(4), С. 364 - 364
Опубликована: Фев. 8, 2025
Soil
acidification
activates
most
of
the
cationic
heavy
metals
in
soil
and
thus
enhances
their
accumulation
crops,
posing
an
accentuated
threat
to
human
health,
while
there
is
limited
knowledge
regarding
metalloid
arsenic
(As)
which
influenced
by
due
its
opposite
behavior
soil.
In
this
study,
processes
neutral
purple
together
with
accompanied
changes
properties
As
fractionation
were
examined
through
a
column-leaching
experiment.
Subsequently,
growth
pakchoi
(Brassica
campestris
L.)
investigated
under
various
combinations
pH
pollution
levels
pot
This
allowed
us
elucidate
mechanisms
co-stresses
pollution.
The
results
indicated
that
followed
two-phase
process,
initially
rapid
later
slow,
turning
point
at
4.7–4.8.
Below
critical
pH,
leaching
rates
base
ions
accelerated
significantly
decomposition
primary
minerals
began,
primarily
from
chlorite
green/mesospheric
minerals,
resulting
substantial
increase
content
amorphous
iron
oxide.
Meantime,
was
transformed
highly
labile
forms,
such
as
non-specifically
specifically
adsorbed
less
active
ones
like
hydrous
oxide-bound
residual
decreased
availability.
context,
remarkably
delayed
pakchoi,
influence
on
only
occurred
when
acidified
lower
than
6,
demonstrated
biomass
reduction
higher
41.8%
decrease
4.6.
Moreover,
exacerbated
inhibitory
effect
growth.
contents
edible
parts
dramatically
increased
level,
did
not
mitigate
plants
via
suppression
availability
but
rather
greatly
it
bioconcentration
caused
toxicity.
conclusion,
significant
interactions
existed
between
terms
transformation,
leading
comprehensive
effects
crops.
Frontiers in Plant Science,
Год журнала:
2025,
Номер
16
Опубликована: Фев. 24, 2025
This
study
aimed
to
identify
suitable
plants
for
remediating
metal
pollution
in
copper
tailing
soil
and
supporting
ecological
reclamation
Dongchuan,
Yunnan,
focusing
on
three
major
mining
regions:
Tangdan,
Yinmin,
Lanniping.
The
Nemerow
comprehensive
index
was
employed
evaluate
the
contamination
levels,
enrichment
transfer
capacities
of
dominant
Cd,
Cu,
Pb,
Zn
were
analyzed
remediation
candidates.
findings
revealed
severe
soil,
with
Cu
as
primary
pollutant,
a
rate
77.778%.
A
total
96
plant
species
from
42
families
87
genera
recorded,
including
29
across
17
26
genera,
herbs
comprising
62.068%
types.
Among
tested
plants,
Leucaena
leucocephala,
Rumex
acetosa,
Festuca
rubra,
Salix
balfouriana
exhibited
significantly
higher
capacities,
rendering
them
restoration.
highest
membership
function
score
5.298
identified
preferred
restoration
Dongchuan
area.
Correlation
analysis
positive
relationship
between
content
underground
parts
both
organic
matter
(OM)
rhizosphere
whereas
negative
correlation
observed
pH.
area
is
severely
contaminated
by
metals,
mainly
Cu.
S.
emerged
most
candidate
accumulation.
establishes
theoretical
framework
application
promotion
phytoremediation
technology
tailings
Analytical Sciences,
Год журнала:
2024,
Номер
40(7), С. 1249 - 1260
Опубликована: Апрель 11, 2024
Natural
enzyme
mimics
have
attracted
attention
as
alternatives
to
natural
peroxidases.
Among
these,
magnetic
nanoparticles,
especially
ferrites,
because
of
their
unique
electronic
and
physical
structures,
which
are
expected
be
applied
in
various
fields,
including
high-frequency
materials,
biomaterials,
gas
sensors,
semiconductor
photocatalysts.
The
structural
properties
the
synthesized
catalysts
were
investigated
using
X-ray
diffraction,
photoelectron
spectroscopy,
scanning
electron
microscopy,
transmission
microscopy.
prepared
CoFe2O4
exhibited
a
spinel
ferrite
structure
formed
wood-flake-like
bulk
structure.
In
this
study,
was
precipitation
method
mimetic.
showed
excellent
peroxidase-like
activity,
demonstrated
by
Michaelis–Menten
constant
(Km)
maximum
velocity
(Vmax).
linear
ranges
calibration
curves
for
H2O2
glucose
range
0–500
µM,
detection
limits
1.83
5.91
respectively.
This
analytical
determination
human
serum,
results
satisfactory
consistent
with
certified
values.
performance
sensor
comparable
or
superior
those
several
other
sensors
commonly
used
analysis,
indicating
that
its
practical
application
is
feasible.
Processes,
Год журнала:
2024,
Номер
12(4), С. 833 - 833
Опубликована: Апрель 19, 2024
Phytoremediation,
an
ecological
approach
aimed
at
addressing
polymetal(loid)lic-contaminated
mining
soils,
has
encountered
adaptability
challenges.
Dominant
plant
species,
well-suited
to
the
local
conditions,
have
emerged
as
promising
candidates
for
this
purpose.
This
study
focused
on
assessing
phytoremediation
potential
of
ten
species
that
thrived
in
heavy
metal(loid)-contaminated
soils.
investigation
covered
nine
metal(loid)s
(As,
Cu,
Cd,
Cr,
Hg,
Ni,
Pb,
Sn,
and
Zn)
both
plants
rhizosphere
The
results
revealed
a
significant
impact
activities,
with
metal(loid)
concentrations
surpassing
Yunnan
Province’s
background
levels
by
1.06
362
times,
highlighting
concern
remediation.
average
followed
order
As
(3.98
×
103
mg
kg−1)
>
Cu
(2.83
Zn
(815
Sn
(176
Pb
(169
Cr
(68.1
Ni
(36.2
Cd
(0.120
Hg
(0.0390
kg−1).
bioconcentration
factors
(BCFs),
bioaccumulation
(BAFs),
translocation
(TFs)
varied
among
native
plants,
indicating
diverse
adaptation
strategies.
Low
BCFs
BAFs
(ranging
from
0.0183
0.418
0.0114
0.556,
respectively)
suggested
low
bioavailability
metal(loid)s.
Among
J.
effusus
P.
capitata
showed
remarkable
abilities
accumulation,
while
A.
adenophora
demonstrated
notable
accumulation
ability
various
metal(loid)s,
especially
relatively
high
(1.88)
(3.11),
TF
1.66
further
underscored
crucial
role
preventing
root
toxicity.
These
findings
emphasized
these
mine
restoration
phytoremediation,
guiding
targeted
environmental
rehabilitation
