Abstract
The
use
of
wastewater
irrigation
for
food
crops
can
lead
to
presence
bioavailable
phthalic
acid
esters
(PAEs)
in
soils,
which
increase
the
potential
human
exposure
and
adverse
carcinogenic
non-cancer
health
effects.
This
study
presents
first
investigation
occurrence
distribution
PAEs
a
maize-wheat
double-cropping
system
wastewater-irrigated
area
North
China
Plain.
PAE
levels
maize
wheat
were
found
be
mainly
attributed
stores
soil
coarse
(250–2000
μm)
fine
sand
(53–250
fractions.
Soil
particle-size
fractions
with
higher
bioavailability
(i.e.,
sands)
showed
greater
influence
on
congener
bioconcentration
factors
compared
molecular
structures
both
tissues.
More
allocated
grains
increased
storages
from
irrigation.
Additional
findings
that
risk
congeners
than
those
maize,
suggesting
security
should
prioritized.
In
conclusion,
concentrations
specifically
indicate
pose
contamination
threat
resources.
Water Air & Soil Pollution,
Год журнала:
2024,
Номер
235(5)
Опубликована: Май 1, 2024
Abstract
Phthalic
acid
esters
(PAEs)
are
dialkyl
or
alkyl/aryl
ester
derivatives
of
phthalic
acid.
PAEs
colorless,
odorless,
and
flavorless
oily
liquids.
the
main
plasticizers
used
in
industry
households.
DEHP
(di-(2-ethyl
hexyl)
phthalate)
is
plasticizer
polymer
industry,
whereas
DMP
(dimethyl
DEP
(diethyl
mainly
as
solvents
fixatives
cosmetics
personal
care
products.
synthetic
organic
compounds
poorly
soluble
water
but
solvents.
Into
environment,
they
introduced
during
production,
use
degradation,
packaging,
transportation
plastic
In
degraded
three
ways:
by
hydrolysis,
photodegradation,
microbial
biodegradation
hydrolysis
environment
very
slow.
pollutants
soil,
water,
groundwater,
river
marine
air,
sediments,
vegetables,
biota.
Due
to
great
interest
subject
environmental
pollution
emergence
new
information
this
area,
it
extremely
important
systematically
review
current
knowledge.
presented
paper,
occurrence
different
matrices
was
reviewed.
The
toxicity
plants,
animals,
humans
also
described.
Environmental Pollution,
Год журнала:
2020,
Номер
262, С. 114237 - 114237
Опубликована: Фев. 20, 2020
Plasticizers
are
marketed
in
high
volumes
and
Di(2-ethylhexyl)
phthalate
(DEHP)
is
frequently
detected
the
environment
human
populations.
Industry
had
largely
relied
on
DEHP
until
regulation
started
to
restrict
its
marketing
1999
due
environmental
health
concerns.
The
aim
of
this
study
was
obtain
spatial-temporal
trends
for
substitutes
German
rivers.
We
have
investigated
suspended
particulate
matter
(SPM)
samples
from
Environmental
Specimen
Bank
(ESB)
presence
23
plasticizers,
i.e.
17
phthalates
6
non-phthalates.
were
collected
last
10
years
at
13
sites
large
river
basins
Germany
such
as
Rhine,
Elbe
Danube.
A
decrease
concentrations
observed
all
sampling
between
mid-2000s
2017.
maximum
concentration
determined
2006
Rehlingen/Saar
(6720
ng/g
dry
weight
(dw)).
By
2017,
Rehlingen
dropped
2080
dw.
Currently,
Diisononyl
(DINP)
plasticizer
with
highest
levels
SPM
(maximum
value
4150
dw
Rehlingen/Saar).
Our
results
show
that
novel
plasticizers
Diisononylcyclohexane-1,2-dicarboxylate
(DINCH)
spread
rapidly
surface
waters
after
their
market
introduction.
found
several
emerging
concern
samples,
further
use
which
currently
under
review
EU
chemicals
(REACH,
registration,
evaluation,
authorisation
restriction
chemicals).
In
particular
Di(2-propylheptyl)
(DPHP)
a
significant
increase
almost
example
Prossen/Elbe
24
(2005)
1380
(2017).