The Science of The Total Environment,
Journal Year:
2022,
Volume and Issue:
825, P. 153862 - 153862
Published: Feb. 15, 2022
Heavy
metal
(HM)
pollution
of
soils
is
a
globally
important
ecological
and
environmental
problem.
Previous
studies
have
focused
on
i)
tracking
sources
in
HM-contaminated
soils,
ii)
exploring
the
adsorption
capacity
distribution
HMs,
iii)
assessing
phyto-uptake
HMs
their
ecotoxicity.
However,
few
reviews
systematically
summarized
HM
soil-plant
systems
over
past
decade.
Understanding
mechanisms
interaction
between
solid
soil
components
consequently
key
to
effectively
controlling
remediating
pollution.
compositions
phases
are
diverse,
structures
complex,
spatial
arrangements
heterogeneous,
all
leading
formation
micro-domains
that
exhibit
different
particle
sizes
surface
properties.
The
various
interactions
ultimately
control
speciation,
transformation,
bioavailability
soils.
Over
decades,
extensive
application
advanced
instrumental
techniques
methods
has
greatly
expanded
our
understanding
behavior
organic
mineral
assemblages.
In
this
review,
investigating
immobilization
by
minerals,
compounds,
microorganisms,
associated
complexes
summarized,
with
particular
emphasis
interfacial
HMs.
addition,
for
analyzing
speciation
aggregates
natural
also
discussed.
Moreover,
we
review
speciating
at
mineral-organic
micro-scale
interfaces.
Lastly,
developmental
prospects
research
inorganic-organic
interfaces
outlined.
future
research,
most
should
be
used
characterize
situ
characteristics
metals
complexes.
particular,
roles
contributions
microorganisms
complex
require
significant
further
investigation.
Ecotoxicology and Environmental Safety,
Journal Year:
2020,
Volume and Issue:
208, P. 111489 - 111489
Published: Oct. 17, 2020
To
make
pollution
evaluation
of
potentially
hazardous
elements
in
the
soil
more
accurately,
regional
geochemical
baseline
concentrations
eight
(Cr,
Ni,
Cu,
Zn,
As,
Cd,
Hg,
and
Pb)
were
established
Huilai
County
using
cumulative
frequency
distribution
curves.
Then,
load
index
enrichment
factor
applied
to
estimate
contamination
levels,
based
on
these
concentrations.
The
results
suggested
that
topsoil
was
moderately
polluted
by
elements,
while
Cd
construction
land
As
farmland
relatively
severe.
possible
sources
analyzed
correlation
analysis,
geostatistics
positive
matrix
factorization.
Four
have
been
determined
apportioned,
namely
industrial
activities,
natural
sources,
agricultural
practices,
traffic
emissions.
Combining
health
risk
assessment
with
source
profiles,
risks
quantified
from
four
estimated
under
farmland,
land,
woodland.
showed
practices
most
main
non-cancer
cancer
woodland
for
adults;
activities
adults.
Children's
risks,
both
carcinogenic
non-carcinogenic
risk,
greater
than
adults,
trends
adults
children
similarities.
Therefore,
should
be
controlled
managed
as
a
priority,
given
priority
control
management
land.
Ecotoxicology and Environmental Safety,
Journal Year:
2021,
Volume and Issue:
219, P. 112336 - 112336
Published: May 25, 2021
Heavy
metals
are
widely
distributed
in
the
environment
due
to
natural
processes
and
anthropogenic
human
activities.
Their
migration
into
no
contaminated
areas
contributing
towards
pollution
of
ecosystems
e.g.
soils,
plants,
water
air.
It
is
recognized
that
heavy
their
toxicity,
long
persistence
nature
can
accumulate
trophic
chain
cause
organism
dysfunction.
Although
popularity
herbal
medicine
rapidly
increasing
all
over
world
metal
toxicity
has
a
great
impact
importance
on
plants
consequently
affects
quality
raw
materials,
extracts,
safety
marketability
drugs.
Effective
control
content
using
pharmaceutical
food
industries
become
indispensable.
Therefore,
this
review
describes
various
important
factors
such
as
ecological
environmental
pollution,
cultivation
harvest
manufacturing
which
effects
then
Chinese
medicines
influence
health.
This
also
proposes
possible
management
strategies
recover
sustainability
medication
safety.
About
276
published
studies
(1988–2021)
reviewed
paper.
