A facile and green synthesis of corn cob-based graphene oxide and its modification with corn cob-K2CO3 for efficient removal of methylene blue dye: Adsorption mechanism, isotherm, and kinetic studies
Nituraj Mushahary,
No information about this author
Angita Sarkar,
No information about this author
Bipul Das
No information about this author
et al.
Journal of the Indian Chemical Society,
Journal Year:
2024,
Volume and Issue:
unknown, P. 101409 - 101409
Published: Oct. 1, 2024
Language: Английский
Silica-integrated chemically modified human hair waste: A novel nanocomposite for efficient removal of methylene blue dye from water
Inorganic Chemistry Communications,
Journal Year:
2024,
Volume and Issue:
unknown, P. 113747 - 113747
Published: Dec. 1, 2024
Language: Английский
Selective Adsorption of Cationic and Anionic Dyes using Ni/Al Layered DoubleHydroxide Modified withEucheuma cottonii
Indonesian Journal of Material Research,
Journal Year:
2024,
Volume and Issue:
2(1), P. 1 - 6
Published: March 26, 2024
This
study
investigates
the
selective
adsorption
capabilities
of
Ni/Al
Layered
Double
Hydroxide
(LDH)
modified
withEucheumacottoniifor
removal
cationic
and
anionic
dyes
from
aqueous
solutions.
The
primary
objective
was
to
evaluate
efficiencyand
selectivity
these
adsorbents
towards
different
dyes,
including
rhodamine-b,
malachite
green,
methylene
blue(cationic
dyes),
direct
yellow,
methyl
orange,
green
(anionic
dyes).
modification
process
aimed
enhancethe
properties
LDHs,
leveraging
natural
ofEucheuma
cottonii.
Experimental
resultsdemonstrated
significant
differences
in
percentages
among
tested
with
showing
thehighest
efficiency
indicating
a
strong
affinity
dyes.However,
ability
also
adsorb
suggests
dual-functionality
making
them
versatileagents
for
dye
water
treatment
applications.
Language: Английский
Assessing the Efficiency, Selectivity, and reusability of ZnAl-Layered double hydroxide and Eucheuma cottonii composite in Removing anionic dyes from wastewater
Inorganic Chemistry Communications,
Journal Year:
2024,
Volume and Issue:
unknown, P. 113347 - 113347
Published: Oct. 1, 2024
Language: Английский
Exploring the structural characteristics and dye removal capabilities of powder-, granule- and film- shaped magnetic activated carbon derived from Oleaster seed
Environmental Science and Pollution Research,
Journal Year:
2024,
Volume and Issue:
31(24), P. 35283 - 35307
Published: May 9, 2024
Language: Английский
Efficient removal of Eosin Yellow dye using solvothermal synthesised Ni/Al layered double hydroxide and layered double oxide: insights into adsorption kinetics and thermodynamics
International Journal of Environmental & Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 21
Published: July 17, 2024
The
accumulation
of
organic
pollutants
in
the
environment
is
swelling
steadily
and
raising
alarm
for
their
redressal.
Layered
double
hydroxides
(LDH)
layered
oxides
(LDO)
are
gaining
prominence
potential
to
address
this
challenge.
This
work
includes
an
eco-friendly
facile
solvothermal
synthesis
Ni/Al
LDH
calcination
LDO.
prepared
nanomaterials
were
characterised
by
XRD,
FE-SEM,
HR-TEM,
FT-IR,
BET
TGA
techniques,
which
confirm
highly
porous
structure
synthesised
with
a
high
specific
area
109.94
m2g−1
188.94
LDO,
respectively.
A
systematic
study
was
conducted
explore
adsorptive
these
materials
towards
removal
dye
Eosin
Yellow
(EY).
efficiency
found
be
95%
99%
respectively,
under
optimised
conditions
pH,
adsorbent
dose,
contact
time,
concentration
temperature
on
EY
dye,
analysed
BBD-RSM
(Box-Behnken
Design
Response
surface
methodology).
adsorption
data
fits
best
Freundlich
isotherm
model
pseudo-second-order
kinetics.
thermodynamic
confirms
exothermic
process.
durability
reusability
adsorbents
ascertained
retention
even
after
five
adsorption-desorption
cycles
as
91%
85%
mechanism
involves
electrostatic
interaction
hydrogen
bonding
between
adsorbate
well
intercalation
molecules.
Language: Английский
CuAl-LDH Modified with Filamentous Macroalgae for Anionic Dyes Removal: A Study on Selectivity, Adsorption Efficiency, and Regeneration
Alfan Wijaya,
No information about this author
Laila Hanum,
No information about this author
Elda Melwita
No information about this author
et al.
BULLETIN OF CHEMICAL REACTION ENGINEERING AND CATALYSIS,
Journal Year:
2024,
Volume and Issue:
19(4), P. 560 - 572
Published: Oct. 30, 2024
Continuous
modifications
of
Layered
Double
Hydroxides
(LDH)
materials
are
essential
to
enhance
their
structural
stability
and
improve
capacity
for
pollutant
adsorption,
addressing
the
need
more
effective
remediation
strategies
in
environmental
applications.
This
research
study
has
proposed
preparation
CuAl-LDH
supported
filamentous
macroalgae
Spirogyra
sp.
(CuAl-LDH/SA)
via
coprecipitation
hydrothermal
methods.
The
prepared
CuAl-LDH/SA
composites
were
investigated
adsorption
direct
yellow
12
(DY)
remazol
red
(RR)
dyes
batch
mode
experiments.
structure
morphology
identified
by
X-ray
Diffraction
(XRD),
Fourier
Transform
Infra
Red
(FT-IR),
(Brunauer-Emmett-Teller)
BET
surface
area,
Thermogravimetry
/
Differential
Thermal
Analyzer
(TG/DTA),
Scanning
Electron
Microscope
(SEM).
For
process,
effects
initial
pH,
contact
time,
concentration,
temperature,
selectivity,
adsorbent
regeneration,
as
well
kinetics,
isotherms,
thermodynamics
studied.
selectivity
test
resulted
RR
dye
being
selective
compared
DY.
maximum
capacities
72.464
mg/g
(pH
=
2,
150
min,
303
K).
can
be
regenerated
4
cycles
with
a
percent
removal
29.32%.
process
followed
intraparticle
diffusion
kinetics
model
Langmuir
isotherm.
Thermodynamic
studies
showed
that
using
was
endothermic
spontaneous.
results
this
indicate
composite
material
shows
potential
anionic
from
aqueous
solutions.
Copyright
©
2024
Authors,
Published
BCREC
Publishing
Group.
is
an
open
access
article
under
CC
BY-SA
License
(https://creativecommons.org/licenses/by-sa/4.0).
Language: Английский