Water,
Год журнала:
2024,
Номер
16(17), С. 2446 - 2446
Опубликована: Авг. 29, 2024
In
this
article,
attapulgite
(ATP)
as
a
raw
material,
hexadecyltrimethylammonium
bromide
(CTAB)
modifier,
and
chitosan
(CTS)
composite
are
used
to
prepare
natural
mineral-based
adsorbent
CTAB-ATP/CTS
for
the
adsorption
of
norfloxacin
in
water.
Scanning
electron
microscopy
(SEM),
Fourier
transform
infrared
spectroscopy
(FTIR),
X-ray
diffraction
(XRD),
specific
surface
area
(BET)
were
characterization.
When
initial
pH
is
7,
dosage
3
g/L,
concentration
50
mg/L,
reaction
temperature
25
°C,
shaking
time
4
h,
maximum
removal
rate
capacity
reached
94.62%
23.66
mg/g,
respectively.
The
by
more
consistent
with
pseudo-second-order
kinetic
model
(R2
=
0.9999,
0.9998,
0.9999
at
concentrations
75
mg/L),
Langmuir
isotherm
model(R2
0.9903,
0.9935,
0.9933
temperatures
30
35
°C),
indicating
that
process
material
controlled
chemical
its
behavior
mainly
single-layer
adsorption.
