Environmental Technology,
Год журнала:
2024,
Номер
unknown, С. 1 - 11
Опубликована: Ноя. 18, 2024
The
enhanced
bioretention
system
provides
a
new
way
to
solve
the
problems
of
stormwater
management
brought
by
urbanization.
knowledge
on
effects
media
modification
and
long-term
operation
is
scattered,
so
clogging
interaction
function,
time
depth
are
analysed
uncover
underneath.
River
sand,
loess,
compost
were
used
as
basic
fillers,
air-dried
water
treatment
residual
(WTR)
recycled
aggregate
from
construction
waste
(RACW)
modifiers
formulate
mixed
synchronized
observation
change
rule
hydraulic
conductivity
porosity
vertical
layering.
study
found
that
infiltration
coefficient
each
tended
decay
gradually
top
bottom
influent
TSS
accumulated.
A
set
improved
process
prediction
framework
has
been
proposed,
using
rainfall
conditions
in
Northwest
China
input
conditions,
about
5.5∼7.1
years
replacement
35
cm
based
principles
cake
filtration
deep
filtration.
results
can
further
understand
function
variation
under
impact
which
helpful
operating
life
evaluation
depth.
International Journal of Phytoremediation,
Год журнала:
2025,
Номер
unknown, С. 1 - 16
Опубликована: Июнь 5, 2025
Intermittent
planted
filters
are
effective
biological
treatment
systems
designed
to
oxidize
and
purify
urban
wastewater
at
a
low
cost
while
minimizing
environmental
impacts.
This
study
introduces
novel
adaptation
of
vertical
flow
constructed
wetlands
(VFCWs)
specifically
tailored
the
arid
climate
southeastern
Tunisia,
with
focus
on
optimizing
seasonal
performance
addressing
regional
challenges.
By
integrating
unique
two-stage
gravel-sand
design,
both
stages
which
fed
vertically,
leveraging
solar-powered
operations,
this
research
offers
valuable
insights
into
dynamics
pollutant
pathogen
removal
under
extreme
conditions.
Through
combination
laboratory
field
experiments,
demonstrated
significant
reductions
in
chemical
oxygen
demand,
biochemical
ammonia-nitrogen,
ortho-phosphate,
achieving
efficiencies
95.2%,
96.1%,
78.2%,
100%,
respectively.
Notably,
an
increase
nitrate
levels
filter
outlet
suggests
favorable
nitrifying
conditions
that
may
enhance
plant
physiological
growth.
The
system
also
effectively
removed
2,
1.56,
1.18
log
units
total
coliforms,
fecal
streptococci,
Seasonal
variations,
particularly
air
temperature
sunlight
duration,
significantly
influenced
rates,
higher
observed
during
warmer
summer
spring
months,
promote
growth
microbial
activity.
