PLoS ONE,
Год журнала:
2024,
Номер
19(5), С. e0303272 - e0303272
Опубликована: Май 17, 2024
This
study
presents
an
analysis
of
soil
contamination
caused
by
Ni,
Zn,
Cd,
Cu,
and
Pb
at
municipal
solid
waste
(MSW)
landfills,
with
a
focus
on
ecological
risk
assessment.
The
approach
aims
to
assess
how
different
landfill
practices
environmental
conditions
affect
potentially
toxic
elements
(PTEs)
associated
risks.
Soil
samples
were
collected
from
MSW
landfills
in
Poland
the
Czech
Republic.
research
included
comprehensive
assessment
PTEs
soils
context
global
regulations.
degree
was
assessed
using
indices:
Geoaccumulation
Index
(I
geo
),
Single
Pollution
(Pi),
Nemerow
(PN),
Load
Capacity
Pollutant
(PLI).
determined
Risk
(ERi)
Sum
Individual
Potential
Factors
(ERI).
maximum
values
indicators
observed
for
Radiowo
as
follows:
I
=
4.04
P
i
24.80
PN
18.22
PLI
2.66,
ER
744
ERI
771.80.
Zdounky
1.04
3.10
2.52
0.27,
25
41.86.
tested
considered
be
non-saline,
electrical
conductivity
(EC)
less
than
2,000
μS/cm.
Varying
levels
observed,
geostatistical
highlighted
hotspots
indicating
pollution
sources.
Elevated
concentrations
Cd
indicated
potential
Concentrations
Cu
lead
well
below
thresholds
set
legislation
several
countries.
In
addition,
Ni
both
that
average
within
acceptable
limits.
Principal
Component
Analysis
(PCA)
revealed
common
sources
PTEs.
identification
specific
points
sites
contributes
better
understanding
hazards
environments.
By
establishing
buffer
zones
implementing
regular
maintenance
programs,
emerging
problems
can
addressed
timely
manner.
Case Studies in Construction Materials,
Год журнала:
2024,
Номер
20, С. e03026 - e03026
Опубликована: Март 5, 2024
The
use
of
basalt
fiber-reinforced
recycled
aggregate
concrete
(BFRRC)
can
effectively
treat
waste
and
reduce
the
consumption
natural
resources.
BFRRC
is
often
in
complex
triaxial
compression
engineering
applications
may
exposure
to
high
temperature
conditions.
To
evaluate
conventional
mechanical
performance
after
temperature,
324
cylindrical
specimens
were
produced.
designed
fabricated
by
varying
several
experimental
parameters:
coarse
replacement
ratio,
fiber
dosage,
lateral
confining
pressure.
previously
exposed
subjected
tests
effects
various
parameters
on
indexes
analyzed.
results
show
that
peak
stress
elastic
modulus
all
raise
with
greater
dosage
pressure
but
decrease
higher
ratio
temperature.
maximum
increase
352.45%
224.59%,
respectively.
strain
has
two
variation
trends
gradual
rising.
And
gradually
grows
increasing.
however,
does
not
exert
considerable
impact
strain.
132.22%.
research
provides
a
scientific
basis
for
performance,
fire
resistance
design,
post-disaster
assessment
BFRRC,
promotes
popularization
application
building
structures.
Abstract
Over
the
past
10–15
years,
biochar
has
garnered
significant
global
attention
in
agriculture
and
environmental
science.
While
most
research
focused
on
benefits
of
application
soil
enhancement,
water
quality
improvement,
climate
change
mitigation,
potential
risks
associated
with
its
use
have
often
been
overlooked.
This
oversight
is
critical,
as
fate
contingent
upon
understanding
these
risks.
Once
released
into
environment,
can
interact
media,
potentially
releasing
pollutants
threatening
ecosystems.
Therefore,
it
essential
to
evaluate
unintended
health
during
production
select
appropriate
types
for
sustainable
development.
review
was
conducted
by
systematically
analyzing
synthesizing
relevant
studies
from
Web
Science,
focusing
recent
advancements
key
debates
field.
It
categorizes
endogenous
exogenous
based
source
carried
biochar.
The
analyzes
detail
impacts
raw
materials,
preparation
processes,
scenarios
Furthermore,
provides
a
thorough
overview
adverse
effects
animals,
plants,
microorganisms,
human
health,
elucidating
mechanisms
pollutant
release,
aging,
nano-effects
geochemical
processes
involving
Additionally,
this
summarizes
risk
assessment
methods
biochar,
providing
reference
safe
development
biochar-related
research.
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