International Journal of Pure and Applied Sciences,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 28, 2024
Bu
çalışma
anyonik
(reaktif
turuncu
16
(RO16),
direkt
sarı
50
(DY50),
asit
mavisi
25
(AB25)
ve
katyonik
(malakit
yeşili
(MG),
metilen
(MB))
gibi
çeşitli
boyaların
kitosan,
lesitin
mantar
özütü
ile
hazırlanan
nanopartiküllü
biyonanosorbent
(KLcPEE)’in
adsorpsiyon
kapasitesini
analiz
etmektedir.
Biyosorbentin
yüzeyini
karakterize
etmek
için
FE-SEM
FTIR
teknikleri
kullanılmıştır.
KLcPEE
biyonanosorbent,
MG,
MB,
RO16,
DY50
AB25'in
100
mg/L
sulu
ortamı
sırasıyla
56,77,
59,76,
74,33,
83,45
147,30'luk
maksimum
boya
giderme
kapasitesi
sergilemiştir.
biyonanosorbentteki
tüm
süreci,
psödo
1.ci
dereceden
kinetik
modeliyle
uyumlu
olduğu
gözlemlenmiştir.
Genel
olarak,
bu
çevre
dostu,
sürdürülebilir,
biy-olojik
bir
sunumakta
KLcPEE,
atık
suda
hızlı
etkili
organik
adsorpsiyonu
önemli
potansiyel
sergilemektedir.
International Journal of Environmental & Analytical Chemistry,
Год журнала:
2024,
Номер
unknown, С. 1 - 18
Опубликована: Авг. 8, 2024
A
nanocomposite
adsorbent
of
cross-linked
chitosan-adipic/zirconia
nanoparticles
(CHI-ADI/ZNPs)
was
successfully
formed
through
the
modifying
a
naturally
occurring
polymer
(CHI)
with
nanoscale
material
(zirconia,
ZrO2),
which
subsequently
subjected
to
an
ionic
cross-linking
technique
facilitated
by
adipic
(ADI).
The
physicochemical
properties
this
innovative
have
been
thoroughly
investigated
utilising
variety
techniques,
such
as
CHN,
XRD,
FTIR,
FESEM-EDX,
and
BET.
Using
response
surface
methodology,
capacity
CHI-ADI/ZNPs
remove
organic
dye
(Eosin
Y,
EY)
from
aqueous
system
investigated,
adsorption-influencing
parameters
including
dosage
(0.02–0.08
g),
removal
time
(10–90
min),
pH
solution
(4–10).
Langmuir
Temkin
isotherm,
equilibrium
behaviour
EY
determined
is
well
illustrated.
adsorption
kinetics
data
were
aptly
characterised
model
pseudo-first-order.
At
199.84
mg/g,
exhibit
remarkably
capacity.
efficient
onto
likely
assigned
H-bond
interactions,
n-π
stacking,
positively
charged
anions.
findings
research
illustrate
exceptional
capabilities
in
context
eliminating
synthetic
anionic
dyes
wastewater.
Inorganics,
Год журнала:
2025,
Номер
13(4), С. 112 - 112
Опубликована: Апрель 3, 2025
Crystal
violet
dye
poses
significant
environmental
and
human
health
risks
due
to
its
toxicity,
persistence,
bioaccumulative
nature.
It
contributes
potential
carcinogenicity,
cytotoxicity,
systemic
toxicity
upon
exposure.
To
address
this
issue,
a
novel
SrCO3/MgO/CaO/CaCO3
nanocomposite
was
synthesized
using
the
Pechini
sol-gel
method,
producing
AE500
AE700
at
500
700
°C,
respectively,
for
efficient
removal
of
crystal
from
aqueous
media.
X-ray
diffraction
(XRD)
analysis
confirmed
formation
crystalline
phases,
with
average
crystallite
sizes
64.53
nm
75.34
AE700.
Energy-dispersive
spectroscopy
(EDX)
revealed
elemental
compositions
variations
in
carbon,
oxygen,
magnesium,
calcium,
strontium
percentages
influenced
by
synthesis
temperature.
Field-emission
scanning
electron
microscopy
(FE-SEM)
showed
morphological
differences,
where
had
irregular
polyhedral
structures,
while
exhibited
more
compact
spherical
formations,
grain
99.98
132.23
nm,
respectively.
High-resolution
transmission
(HR-TEM)
structural
integrity
nano-scale
morphology,
showing
aggregated
irregularly
shaped
particles
AE500,
displayed
well-defined
nearly
nanoparticles.
The
calculated
particle
diameters
were
21.67
41.19
AE700,
demonstrating
an
increase
size
Adsorption
studies
demonstrated
maximum
capacities
230.41
mg/g
189.39
adsorption
process
exothermic,
spontaneous,
physical,
following
pseudo-first-order
kinetic
model
Langmuir
isotherm,
indicating
monolayer
onto
homogenous
surface.
