Sustainability,
Journal Year:
2025,
Volume and Issue:
17(3), P. 979 - 979
Published: Jan. 25, 2025
Biomass
carbon-rich
ash
is
proposed
as
a
sustainable
alternative
in
the
production
of
ceramic
materials.
This
study
investigated
this
waste
product,
combined
with
kaolin
and
alumina
for
membranes.
The
formulations
were
defined
based
on
Al2O3-SiO2-MgO
ternary
diagram
51
wt%
biomass
ash,
36
kaolin,
13
alumina.
shaping
green
body
samples
was
conducted
by
using
uniaxial
pressing
method
at
40
MPa
sintering
temperatures
ranging
from
1050
to
1150
°C.
Several
properties,
such
morphology,
porosity,
pore
diameter,
mechanical
strength,
chemical
resistance,
investigated.
It
revealed
that
increase
temperature
occasioned
decreased
porosity
water
absorption;
conversely,
it
increased
bulk
density,
size,
diametrical
shrinkage,
flexural
strength.
Moreover,
demonstrated
minimal
weight
loss
(<0.6
wt.%)
acidic
basic
solutions.
31.5%
44.4%,
size
1.0
μm
1.5
μm,
resistance
9.0
21.0
tested
pure
flux
bar
an
enhanced
higher
temperature,
attributed
resulting
temperatures,
observed.
best-performing
sample
sintered
°C
average
1716.8
L.h−1.m−2.
Also,
according
TGA/DTA
data,
these
membranes
have
greater
stability.
These
are
suitable
treatment
effluents
contribute
reducing
environmental
impact
increasing
sustainability
promoting
efficient
utilization
resources.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Oct. 24, 2024
Abstract
The
possibility
of
reusing
ceramic
roller
waste
to
produce
cordierite
and
mullite
refractories
was
investigated.
Five
batches
were
designed
using
wastes
representing
waste,
magnesite,
silica
sand,
shaped
fired
at
1300
°C/2
h,
one
batch
selected
1200
°C.
chemical
composition
precipitated
phases
the
used
raw
materials
analyzed
XRF
XRD
techniques,
respectively.
Densification
parameters,
morphology,
microstructure
electrical
properties
also
studied
evaluate
effect
formed
on
materials.
Bulk
density
increases
with
an
increase
in
a
decrease
cordierite,
it
increasing
temperature,
whereas
porosity
water
absorption
show
opposite
behavior
(it
decreases
temperature).
main
developed
after
firing
h
mullite,
corundum,
baddeleyite,
spinel.
Bending
strength
percentage
density,
decreasing
grain
size
porosity.
develops
becomes
finer
density.
crystals
very
fine
increased
h.
Broadband
dielectric
spectroscopy
employed
study
investigated
samples.
concentration
shows
remarkable
ε’,
especially
lower
frequencies,
as
is
three
times
higher
than
that
M10.
At
f
>
103
Hz
frequency
independence
accompanied
by
concentrations
due
lag
dynamics
fluctuations
alteration
electric
field.
generation
new
free
ions
leads
enhancement
conductivity
increases.
