Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
Abstract
In
this
study,
six
different
activated
carbons
were
synthesized
from
olive
stones
using
various
activating
agents,
including
acidic
(H3PO4,
H2SO4),
basic
(NaOH,
KOH),
and
neutral
(CaCl2,
ZnCl2)
agents.
These
agents
used
in
a
two-step
pyrolysis
process
(carbonization-activation)
to
produce
carbons.
The
activation
was
carried
out
with
1:1
impregnation
ratio,
2-hour
time,
750°C
temperature
under
an
inert
atmosphere.
effects
of
the
on
properties
analyzed
product
yield
(%),
pHpzc,
Ftır
spectra,
elemental
analysis,
N2
adsorption,
Raman
spectroscopy,
scanning
electron
microscopy.
results
analysis
showed
that
depended
classification
agent
used.
pHpzc,
surface
area,
pore
volume
found
be
higher
for
compared
highest
BET
area
achieved
H2SO4
at
532.34
m2/g,
values
obtained
CaCl2
activations
0.97
cm3/g.
findings
indicated
chemical
composition
is
more
important
than
their
influencing
SAE technical papers on CD-ROM/SAE technical paper series,
Journal Year:
2025,
Volume and Issue:
1
Published: Feb. 7, 2025
<div
class="section
abstract"><div
class="htmlview
paragraph">The
research
project
focused
on
investigating
the
mechanical,
thermal,
and
chemical
properties
of
composite
plates
made
from
bamboo
leaves
coconut
reinforced
with
epoxy
resin
that
has
received
limited
attention
in
previous
studies.
The
underwent
alkaline
treatment,
were
thoroughly
washed
distilled
water,
dried
sunlight
for
24
hours.
For
fabrication
three
plates,
Hand
lay
up
method
was
employed
according
to
American
Society
Testing
Materials
(ASTM)
standards.
compositions
varied
as
first
Composition
25
wt%
leaves,
50
resin,
Second
30
40
third
composition
35
resin.
Tensile
test,
shear
flexural
tests
helped
determine
tensile
strength,
strength
materials.
Additionally,
Thermo-
gravimetric
analysis
(TGA)
performed
ASTM
E-
1131
assess
degradation
temperature
plates.
Fourier-transform
infrared
spectroscopy
(FTIR)
also
conducted
identify
functional
groups
organic
materials
present
outcomes
this
are
anticipated
contribute
a
more
sustainable
utilization
waste
leaves.</div></div>
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(8), P. 6281 - 6290
Published: Jan. 1, 2025
Nano-sized
FePO
4
·2H
2
O/C
and
/C
cathode
materials
with
different
phase
composition
were
prepared
by
carbon
black
preoxidation
ultrasonic-assisting
technique.
Among
all
samples,
amorphous
structure
has
the
best
electrochemical
performance.
