Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 25, 2024
Abstract
With
the
increasing
development
of
industry,
polycyclic
aromatic
hydrocarbons
(PAHs)
pollution
is
becoming
increasingly
serious,
posing
great
harm
to
health
humans
and
other
organisms.
It
urgent
develop
effective
solutions.In
this
study,
DNA/calcium
alginate
magnetic
aerogel
microspheres
were
prepared
based
on
gel
properties
sodium
magnetism
ferric
oxide,
which
used
remove
benzo(a)anthracene
(BaA)
from
aqueous
solution.
The
irregular
spherical,
with
concave
convex
surface
good
water
absorption.
pores
mostly
mesoporous.
had
adsorption
BaA
easy
be
magnetically
separated.
When
initial
concentration
was
350
µg/L,
removal
efficiency
98.52%
when
incubated
at
25
℃
pH
7.0
for
50
min.
process
accorded
Langmuir
model
pseudo-2nd
-order
kinetic
model.
For
natural
river
samples
containing
BaA,
above
98.45%
in
range
50–300
µg/L.The
have
high
capacity,
simple
time-consuming,
potential
application
value
purification.
Marine Pollution Bulletin,
Journal Year:
2024,
Volume and Issue:
202, P. 116333 - 116333
Published: April 4, 2024
The
temporal
and
spatial
variations
of
16
Polycyclic
Aromatic
Hydrocarbons
(PAHs)
were
examined
at
multiple
sites
around
Lake
Balaton
from
February
2023
to
January
2024.
results
indicated
that
the
concentrations
PAHs
in
sediment
high
during
winter
months,
448.35
619.77
ng/g
dry
weight,
low
summer
257.21
465.49
weight.
concentration
molecular
weight
(HMWPAHs),
consisting
5-6
rings,
was
greater
than
(LMWPAHs),
which
had
2-3
rings.
total
incremental
lifetime
cancer
risk
(ILCR)
for
both
dermal
ingestion
pathways
adults
children
four
seasons,
with
highest
records
as
following:
>
spring
autumn.
ecological
effects
negligible
except
acenaphthylene
(Acy)
fluorene
(Fl),
displayed
slightly
higher
autumn
spring,
respectively.
