Sustainability,
Journal Year:
2025,
Volume and Issue:
17(8), P. 3548 - 3548
Published: April 15, 2025
Riverine
heavy
metal
(HM)
pollution,
a
critical
global
environmental
issue,
severely
affects
water
quality,
ecosystem
health,
and
human
well-being.
The
Huaihe
River,
once
among
China’s
most
polluted,
has
seen
quality
improvements
due
to
strict
pollution
controls,
yet
the
extent
of
HM
reduction
remains
uncertain.
Here,
we
investigated
distribution,
sources,
potential
ecological
health
risks
nine
typical
HMs
(Cr,
Mn,
Ni,
Cu,
Zn,
As,
Cd,
Pb,
Hg)
in
surface
sediment
Anhui
section
river.
Seasonal
variations
concentrations
were
observed,
with
values
below
drinking
safety
limits,
except
for
Mn
Cd
at
specific
sites
seasons.
Indices
including
HPI,
HEI,
HQ,
HI
showed
low
contamination
risks,
children
are
more
vulnerable
non-carcinogenic
hazards,
notably
from
As.
Sediment
trends
decreased
as
>
Zn
Cr
Pb
Ni
Cu
As
Hg,
moderate
based
on
CF,
EF,
Igeo
assessments.
PLI
NPI
suggested
midstream
areas
accumulation.
correlation
analysis
PCA
revealed
that
uncontaminated
sediments
mainly
geogenic
origin,
while
contaminated
largely
influenced
by
anthropogenic
activities,
agricultural
runoff,
industrial
waste,
domestic
sewage
discharge.
Overall,
our
findings
highlight
control
activities
within
River
basin
is
essential
reducing
Journal of Contaminant Hydrology,
Journal Year:
2024,
Volume and Issue:
262, P. 104325 - 104325
Published: Feb. 27, 2024
Microplastics
and
heavy
metals
pollution
is
recognised
as
a
major
problem
affecting
aquatic
ecosystems.
For
this
reason,
study
aims
to
assess
the
toxicity
of
different
concentrations
polyethylene
microplastics
(PE-MPs)
(0.0,
500,
1000
μg
L
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(13), P. 9003 - 9019
Published: Jan. 1, 2024
The
waste
management
industry
uses
an
increasing
number
of
mathematical
prediction
models
to
accurately
forecast
the
behavior
organic
pollutants
during
catalytic
degradation.