Environmental Technology,
Год журнала:
2024,
Номер
unknown, С. 1 - 15
Опубликована: Дек. 31, 2024
In
order
to
achieve
the
goal
of
phosphate
removal
from
glyphosate
by-product
salts,
zirconium
and
zinc
ions
were
successfully
loaded
onto
D202
resin
by
co-precipitation
modification
method
in
this
study,
their
effectiveness
was
evaluated
under
various
conditions.
The
results
static
adsorption
experiments
showed
that
Zr/Zn@D202
effectively
reduced
concentration
salts
10
mg/L
less
than
0.1
mg/L,
which
met
national
level
emission
standard
(
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 3, 2025
ABSTRACT
The
removal
of
nitrate
and
phosphate
ions
from
water
bodies
is
essential
to
reduce
eutrophication
health
hazards.
In
the
present
study,
a
hybrid
polymer
nanocomposite
has
been
developed
for
adsorptive
wastewater.
preparation
achieved
by
microwave
irradiation
aqueous
mixture
chitosan
(CS),
poly(diallyldimethylammonium
chloride)
(PDADMAC),
N‐(2‐hydroxyethyl)acrylamide
(HEAAm)
N,N′‐methylenebis(acrylamide)
(MBA)
in
presence
radical
initiator
followed
incorporation
magnetite
nanoparticles.
A
semi‐interpenetrating
network
(IPN)
appears
be
formed
entanglement
PDADMAC
chains
with
MBA
crosslinked
chitosan‐graft‐poly[N‐(2‐hydroxyethyl)acrylamide]
within
which
Fe
3
O
4
nanoparticles
are
held.
materials
(CS‐g‐PHEAAm)/PDADMAC
(CS‐g‐PHEAAm)/PDADMAC/Fe
were
characterized
their
physicochemical
structures
using
FTIR,
XRD,
SEM,
EDS,
BET,
VSM,
TGA
techniques.
Their
utility
as
adsorbents
was
evaluated
through
adsorption
studies.
process
optimized
contact
time,
solution
pH,
adsorbent
dosage,
temperature,
initial
adsorbate
concentration.
data
showed
close
fit
Freundlich
isotherm
pseudo‐second‐order
kinetic
models.
observed
enhance
capacity
parent
IPN
significantly
value
60.97
65.35
mg
g
−1
towards
69.93
76.33
phosphate.
thermodynamic
studies
indicated
spontaneous
endothermic
process.
regeneration
ability
along
its
superparamagnetic
biodegradable
characteristics
makes
it
material
choice
absorptive
Materials,
Год журнала:
2024,
Номер
17(23), С. 5994 - 5994
Опубликована: Дек. 6, 2024
Drinking
and
wastewater
are
to
be
treated
for
safe
human
consumption
keeping
surface
waters
clean.
There
multiple
water
purification
procedures,
but
the
use
of
ion-exchange
resins
significantly
enhances
efficiency.
This
review
was
targeted
on
highlighting
concept
classification
polymeric
as
well
pointing
out
their
real-world
applications.
Their
successful
purposes
has
been
linked
chemical
structure,
simplicity
operation,
accessibility,
reusability.
Therefore,
have
used
removal
a
wide
range
organic
inorganic
pollutants
such
pharmaceutical
compounds,
dyes,
matter,
metals,
many
others.
Ion-exchange
obtained
directly
by
synthesis
methods
or
grafting
ionizable
groups
polymer
matrix
in
order
ensure
continuous
improvement.
Furthermore,
newly
designed
take
into
consideration
biodegradability
potential
towards
obtaining
ecofriendly
compounds.
Environmental Technology,
Год журнала:
2024,
Номер
unknown, С. 1 - 15
Опубликована: Дек. 31, 2024
In
order
to
achieve
the
goal
of
phosphate
removal
from
glyphosate
by-product
salts,
zirconium
and
zinc
ions
were
successfully
loaded
onto
D202
resin
by
co-precipitation
modification
method
in
this
study,
their
effectiveness
was
evaluated
under
various
conditions.
The
results
static
adsorption
experiments
showed
that
Zr/Zn@D202
effectively
reduced
concentration
salts
10
mg/L
less
than
0.1
mg/L,
which
met
national
level
emission
standard
(
