Occurrence, Concentration, and Distribution of 35 PFASs and Their Precursors Retained in 20 Stormwater Biofilters
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(32), С. 14518 - 14529
Опубликована: Июль 30, 2024
Current
knowledge
about
the
fate
and
transport
behaviors
of
per-
polyfluoroalkyl
substances
(PFASs)
in
urban
stormwater
biofilter
facilities
is
very
limited.
C5–14,16
perfluoroalkyl
carboxylic
acids
[perfluorinated
(PFCAs)],
C4,8,10
perfluoroalkanesulfonic
(PFSAs),
methyl-perfluorooctane
sulfonamide
acetic
acid
(MeFOSAA,
a
PFSA
precursor),
unknown
C6–8
PFCA
perfluorooctanesulfonic
precursors
were
frequently
found
bioretention
media
forebay
sediments
at
Σ35PFAS
concentrations
<0.03–19
0.064–16
μg/kg-DW,
respectively.
Unknown
precursor
up
to
ten
times
higher
than
corresponding
PFCAs,
especially
forebays
biofilters'
top
layer.
No
significant
trend
could
be
attributed
PFAS
versus
depth
filter
media,
though
2–3
upper
layers
on
average
(significant
difference
between
(0–5
cm)
deepest
(35–50
layer).
PFASs
had
similar
spatial
concentration
distribution
each
(no
clear
short-
long-chain
PFASs).
Commercial
land
use
organic
matter
important
factors
explaining
variations
among
biofilters
sampling
depths,
Given
comparable
accumulations
deeper
superficial
possible
increased
mobility
after
biotransformation,
designing
shallow-depth,
nonamended
sand
or
maintaining
only
layer
may
insufficient
for
management.
Язык: Английский
Biofiltration for low-carbon rural wastewater treatment: A review of advancements and opportunities towards carbon neutrality
Journal of environmental chemical engineering,
Год журнала:
2024,
Номер
12(6), С. 114373 - 114373
Опубликована: Окт. 9, 2024
Язык: Английский
Critical field evaluations of biochar-amended stormwater biofilters for PFAS and other organic micropollutant removals
Water Research,
Год журнала:
2025,
Номер
unknown, С. 123547 - 123547
Опубликована: Март 1, 2025
Biochar
is
often
promoted
as
an
ideal
amendment
for
stormwater
biofilters;
however,
its
effectiveness
has
rarely
been
tested
under
field
conditions.
This
study
evaluates
the
impact
of
biochar
addition
on
removal
organic
micropollutants
(OMPs)
in
field-scale
biofilters
operating
real-world
conditions
first
time.
The
research
comprised
four
vegetated
biofilter
facilities
(3
-
5
years
old),
two
without
and
with
2.1
wt.
%
(10
vol.
%)
amendment.
Stormwater
filter
material
samples
from
various
locations
after
operation
were
analyzed
a
wide
range
common
emerging
OMPs
found
urban
runoff.
Unlike
hydrophobic
(hydrocarbons,
polychlorinated
biphenyls,
di(2-ethylhexyl)
phthalate),
investigated
demonstrated
low,
or
inconsistent,
hydrophilic
slow-adsorbing
like
bisphenol
A,
monobutyltin,
per-fluoroalkyl
substances
(PFASs).
Although
physiochemical
properties
well-adapted
to
pollutant
removal,
did
not
significantly
improve
OMP
when
compared
status
quo.
can
be
attributed
several
suboptimal
design
interfering
biochar's
sorption
capacity,
namely,
large
particle
size
(D50
∼4
mm)
low
quantity
biochar,
high
levels
competing
agents
(i.e.,
dissolved
oxygen
carbon
(DOC)
cations),
co-contaminants
stormwater,
limited
contact
time,
pore
blockage
(e.g.,
by
DOC
molecules
sediments/minerals),
diminished
surface
porosity,
sometimes
increased
uncertainty
due
influent
concentrations.
Our
findings
complexities
associated
applying
treatment.
Further
biochar-specific
designs
needed
optimize
potential
this
Язык: Английский
Deciphering the Sustainable Stormwater Management Strategies for Urban Areas: a Review
Water Resources Management,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 30, 2025
Язык: Английский
Identifying and addressing challenges in gross pollutant trap maintenance: perspectives from the Australian stormwater industry
Marine Pollution Bulletin,
Год журнала:
2025,
Номер
216, С. 117970 - 117970
Опубликована: Апрель 16, 2025
Язык: Английский
Intra-event variations of organic micropollutants in highway runoff and a presedimentation-biofilter treatment facility
Journal of Hazardous Materials,
Год журнала:
2024,
Номер
476, С. 135200 - 135200
Опубликована: Июль 13, 2024
Язык: Английский
Application of Artificial Intelligence and Fuzzy Control Algorithm in Green and Low-Carbon Highway Construction
International Journal of Computational Intelligence Systems,
Год журнала:
2024,
Номер
17(1)
Опубликована: Сен. 4, 2024
Язык: Английский
Influence of Salt on Total and Dissolved Metal Treatment in Bioretention: A Field Study
Опубликована: Янв. 1, 2024
Язык: Английский
Monitoring studies on contamination of urban runoff with hazardous benzotriazoles and bisphenols in one of the least polluted places worldwide
Chemosphere,
Год журнала:
2024,
Номер
366, С. 143444 - 143444
Опубликована: Окт. 1, 2024
Язык: Английский
Impacts of seasonal activities and traffic conditions on the contamination and accumulation of gully pot sediments: Metal(loid)s and organic substances
The Science of The Total Environment,
Год журнала:
2024,
Номер
948, С. 174749 - 174749
Опубликована: Июль 14, 2024
Язык: Английский