People
in
remote
villages
and
towns
use
water
cellars
to
store
natural
rainwater
for
drinking,
bio-slow
filtration
is
suitable
the
treatment
of
such
small-scale,
minimally
contaminated
drinking
towns.
In
this
study,
sodium
chloride-activated
polymeric
ferric
sulfate-modified
zeolite
(Z-Na-Fe)
was
prepared
by
impregnation
applied
degrade
simulated
micropolluted
cellar
filtration.
The
slow
column
required
only
25
d
complete
membrane
hanging
had
best
purification
effect
stability.
Its
average
removal
rate
ammonia
nitrogen
phosphorus
82.81%
77.30%
during
stable
operation.
Modifying
chloride
polymerized
iron
sulfate
resulted
better
adsorption
improved
species
number
microorganisms
column.
This
study
can
provide
a
feasible
solution
rural
treatment.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(5), P. 1005 - 1005
Published: Feb. 26, 2024
Nitrogen
and
phosphorus
play
essential
roles
in
ecosystems
organisms.
However,
with
the
development
of
industry
agriculture
recent
years,
excessive
N
P
have
flowed
into
water
bodies,
leading
to
eutrophication,
algal
proliferation,
red
tides,
which
are
harmful
aquatic
Biochar
has
a
high
specific
surface
area,
abundant
functional
groups,
porous
structure,
can
effectively
adsorb
nitrogen
water,
thus
reducing
environmental
pollution,
achieving
reusability
elements.
This
article
provides
an
overview
preparation
biochar,
modification
methods
advancements
adsorption
by
factors
influencing
as
well
mechanisms.
Furthermore,
difficulties
encountered
future
research
directions
regarding
biochar
were
proposed,
providing
references
for
application
adsorption.