Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 29, 2024
Abstract
The
study
utilizes
novel
onion
peel
(Allium
cepa)
activated
carbon
biomass
impregnated
with
magnetic
nanoparticles
(OMNPs)
for
the
removal
of
toxic
Methylene
Blue
(MB)
and
Congo
Red
(CR)
dyes.
SEM
analysis
reveals
morphological
structures,
while
XRD
indicates
an
amorphous
nature.
FTIR
confirms
functional
groups
present,
TGA
demonstrates
thermal
stability,
pore
size
is
measured
at
2.193
nm.
OMNPs
reveal
a
higher
sorption
rate
both
MB
CR
dye,
clearance
96.25%
93.11%.
thermodynamic
reaction
believed
to
be
exothermic
process
spontaneous.
simulation
investigations
indicate
that
Freundlich
best-proven
isotherm
(R2
=
0.9945
dyes
0.9878),
pseudo-second-order
kinetics
yields
chemisorption
ANN
assessed
its
fitness
(R
0.993
0.984).
This
new
composite
material
demonstrated
remarkable
dye
efficiency,
models
accurately
predicted
adsorption
performance.
Materials Research Express,
Journal Year:
2024,
Volume and Issue:
12(1), P. 012001 - 012001
Published: Dec. 20, 2024
Abstract
As
the
world
moves
toward
greener
energy
generation
methods
and
cleaner
environments,
activated
carbon
produced
from
ligninocellulosic
resources
has
attracted
unexpected
interest
due
to
its
easy
availability,
economic,
renewable,
biodegradable
properties,
which
makes
it
a
viable
alternative
exhaustible
coal.
This
review
paper
provides
comprehensive
overview
of
systematic
procedure
develop
plant
biomass,
characterization
by
simple
techniques,
versatile
applications
carbon.
includes
role
in
environmental
remediation,
emphasizing
efficacy
removing
wide
array
pollutants,
sustainable
hydrogen
capture
storage
supercapacitors.
A
brief
comparison
key
aspects
optimal
toxicant
adsorption,
like
batch
conditions,
best-fit
model,
isotherms,
maximum
are
also
made.
To
ascertain
efficiency
supercapacitors,
their
strategy
designing
it,
output
terms
specific
capacitance,
power,
density
compared.
