IntechOpen eBooks,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 3, 2024
Sorption
is
the
collective
term
used
for
both
adsorption
and
absorption.
Absorption
involves
diffusion
of
molecules
a
substance
into
material
due
to
material’s
ability
dissolve
substance,
while
attachment
surface.
has
been
gaining
significant
attention
in
recent
years
as
promising
separation
technique
because
it
simple,
efficient,
low-cost.
Some
new
perspectives
applications
sorption
are
Nanotechnology,
water
treatment,
gas
Medicine
Biotechnology.
alternative
traditional
methods,
which
have
economic
environmental
drawbacks.
can
serve
numerous
across
various
sectors,
including
industry,
medicine,
energy.
This
easy
execute,
energy-efficient,
economical,
potential
develop
sustainable
solutions
through
resource
recycling,
green
technology
waste
reduction.
In
this
chapter,
we
discussed
impact
on
processes,
developments
challenges
that
needs
more
research
proffer
solution
make
processes
reliable
attractive.
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.
International Journal of Environmental & Analytical Chemistry,
Год журнала:
2024,
Номер
unknown, С. 1 - 22
Опубликована: Ноя. 20, 2024
Herein,
a
biohybrid
polymer
nanocomposite
of
carboxylated
chitosan-phthalate/SnO2
nanoparticles
(CTS-PHA/SnO2)
was
developed
for
dye
wastewater
treatment
i.e.
removal
basic
red
2
(BR2)
dye.
A
study
conducted
using
response
surface
methodology
(RSM)
to
analyse
the
impact
three
factors
on
adsorption
BR2
These
were
CTS-PHA/SnO2
dosage
(0.02–0.08
g),
pH
(4–10),
and
time
(10–30
min).
The
exhibited
BET
area
9.08
m2/g.
total
pore
volume
also
determined
be
0.0240
cm3/g,
mean
diameter
measured
10.61
nm.
mostly
displays
polycrystalline
properties,
as
shown
by
its
average
crystallite
size
19.85
kinetics
isotherms
indicate
that
Freundlich
pseudo-first-order
kinetic
models
accurately
describe
CTS-PHA/SnO2.
findings
BBD
model
suggest
most
effective
conditions
achieving
high
elimination
rate
(97.28%)
9.5,
dose
0.052
g,
contact
30
minutes.
maximum
absorption
capacity
towards
computed
465.3
mg/g
at
temperature
25°C.
proposed
mechanism
onto
involves
electrostatic
interaction,
π-π,
hydrogen
bonding,
n-π
stacking
interaction.
this
material
shows
promise
highly
bioadsorbent
treatment.
