Advances in chemical and materials engineering book series,
Год журнала:
2024,
Номер
unknown, С. 517 - 536
Опубликована: Ноя. 8, 2024
Among
the
environmental
pollution,
soil
is
making
it
not
only
easy
for
analysis
of
contamination
to
remain,
but
also
difficult
clean
up.
It
therefore
necessary
develop
a
tool
that
can
be
used
easily
and
quickly
determine
necessity
at
on
sites.
In
this
chapter,
method
developed
detect
pollutant
species
due
four
specific
types
heavy
metals
as
hexavalent
chromium,
fluorine,
boron,
lead.
The
detection
kit
has
sensitivity
achieved
elution
standard
value
stipulated
by
Japan's
Soil
Contamination
Countermeasures
Law.
agent
consists
composite
water-absorbing
polymer
coloring
reagent
specifically
reacts
with
such
pollutant.
This
already
been
sold
under
trade
name
OCTES®
(OCTES,
2014)
now
contaminated
sites
without
requiring
any
particularly
operations
or
electric
power
sources.
OCTES
expected
screening
need
detailed
assessment
purification.
Toxics,
Год журнала:
2025,
Номер
13(1), С. 59 - 59
Опубликована: Янв. 15, 2025
Heavy
metal
pollution
in
agricultural
soils
poses
a
serious
threat
to
food
security.
Therefore,
it
is
crucial
conduct
risk
assessments
and
issue
early
warnings
about
high
levels
of
contamination
for
the
sustained
prosperity
agriculture.
To
assess
risks,
identify
sources,
quantify
amounts,
determine
extent
from
seven
heavy
metals,
as
well
provide
warnings,
78
soil
samples
were
collected
farmed
lands
Songnen
Plain
Jilin
Province.
The
average
concentrations
Zn,
Cu,
Mn,
Pb,
Cd,
Ni,
As
found
be
2.05,
1.5,
0.2,
1.09,
2.68,
1.53,
1.17
times
higher
than
background
values
Chinese
soils,
respectively.
Source
analysis
indicated
that
toxic
Pb
originates
vehicle
exhaust
emission,
while
Ni
are
attributed
industrial
activities.
Zn
likely
associated
with
practices,
Mn
predominantly
stems
natural
environmental
sources.
geo-accumulation
index
suggests
relatively
high,
accumulation
Pb.
Meanwhile,
single-factor
indicates
elevated
Cd.
Potential
ecological
assessment
reveals
certain
areas
within
Changchun
Baicheng
cities
exhibit
risks.
Notably,
Cd
has
highest
potential
(RI)
metals
warrants
special
attention.
By
analyzing
annual
pollutant
accumulations,
predictions
can
made
content
four
Plain,
enabling
issuance
regarding
findings
suggest
without
proactive
measures
mitigate
Songyuan
will
reach
severe
by
2031
2029,
Geological Journal,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 5, 2025
ABSTRACT
The
green
park
serves
as
a
significant
spatial
carrier
for
China's
strategy
to
become
manufacturing
powerhouse
and
promote
industrial
transformation
upgrading.
It
is
crucial
platform
implementing
driving
the
development
of
manufacturing,
promoting
harmonious
coexistence
between
man
nature
in
current
era.
main
focus
this
study
total
249
parks
announced
by
Ministry
Industry
Information
Technology,
it
employs
multi‐time
point
PSM‐DID
method
investigate
280
prefecture‐level
cities.
results
show
that:
(1)
coefficient
certification
policy
estimated
have
significantly
negative
impact
at
1%
significance
level.
(2)
facilitates
integration
pollution
reduction
carbon
efforts
leveraging
technology
innovation
government
support.
(3)
effect
has
regional
consistency
resource
heterogeneity.
Therefore,
great
effects
pathways
on
synergies
reduction.
