Discover Sustainability,
Год журнала:
2024,
Номер
5(1)
Опубликована: Ноя. 13, 2024
This
review
paper
explores
the
use
of
red
mud
as
a
sustainable
alternative
for
construction
materials
and
soil
stabilisation
due
to
its
unique
chemical
mineral
composition,
waste
produced
during
extraction
aluminium
from
bauxite
ore.
The
disposal
is
major
environmental
issue
worldwide
high
alkalinity
large
production
volume.
Although
this
material
has
already
been
utilised
(e.g.,
bricks,
cement,
concrete),
it
can
also
be
incorporated
water
treatment
lead
reduction.
In
stabilisation,
mud's
alkaline
nature,
pozzolanic
properties,
fine
particle
size
improve
structure
strength,
offering
cost-effective
solution.
Utilising
filling
low-lying
areas
addresses
problem
while
contributing
infrastructure
development
projects.
study
highlights
materials'
mechanical
properties
durability
by
incorporating
tailings
valorisation
precursor
alkali-activated
binder.
comprises
recent
research
findings
practical
applications
associated
with
waste.
Also,
discusses
benefits
challenges
large-scale
mud.
It
gives
an
idea
about
how
strength
improved
considering
overall
impact.
Future
perspectives
on
policy,
technology,
impact
are
discussed
provide
comprehensive
understanding
potential
development.
Applied Sciences,
Год журнала:
2025,
Номер
15(10), С. 5481 - 5481
Опубликована: Май 14, 2025
Foamed
geopolymer
materials
are
increasingly
studied
due
to
their
inherent
fire
resistance.
To
date,
these
have
primarily
been
produced
by
casting
into
moulds,
with
foaming
occurring
during
mixing
or
within
the
shortly
before
setting.
For
practical
applications,
however,
it
is
advantageous
apply
directly
onto
surfaces
complex
geometries.
Although
several
techniques
for
spraying
described
in
literature,
many
exhibit
limitations
that
restrict
implementation.
This
study
presents
a
novel
technology
developed
on
dedicated
process
line,
enabling
situ
dosing
of
agent
immediately
application.
The
system
integrates
infrared
heating
ensure
controlled
curing
geopolymer.
paper
outlines
design
line
and
its
core
functionalities
while
presenting
selected
results
material
tests
conducted
obtained
coatings.
Tests
performed
approximately
200
m2
surface
confirmed
functionality
process.
thermal
conductivity
sprayed
foams
was
about
0.07
W/m-K.
inclusion
phase-change
(PCM)
geopolymers
further
enhanced
ability
store
regulate
energy.
adhesion
strength
results,
consistently
exceeding
1
MPa
across
various
substrates
(steel,
geopolymer,
gypsum
board),
suitability
proposed
solution.
also
demonstrated
homogeneous
foamed
structure
obtained.
Materialwissenschaft und Werkstofftechnik,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 21, 2025
Abstract
The
main
motivation
for
this
research
work
was
the
need
to
find
new
ways
of
managing
process
byproducts
combustion
in
a
way
that
is
safe
environment
and
human
health.
paper
presents
confirming
applicability
geopolymerization
stabilize
slags
ashes
from
municipal
waste
incineration
plants.
article
aims
assess
possibility
preparing
geopolymer
materials
based
on
thermal
transformation
waste.
first
stage
characterization
raw
used
using
microstructural
tests
(scanning
electron
microscopy,
x‐ray
fluorescence
diffraction).
next
synthesis
material
above‐mentioned
process,
including
obtaining
appropriate
samples
i.
e.,
beams
cubes.
initial
indicated
combine
with
content
slag
fly
ash
post‐process
origin
after
waste,
mixed
another
additive
improve
cohesion
material.
For
purpose,
product,
which
came
processes,
‐
coal‐fired
power
plant.
Then,
selected
physical
mechanical
properties
prepared
were
determined,
including:
density,
compression
bending
water
absorption.
microstructure
obtained
also
characterized.
results
assessed
terms
possibilities
construction
industry.
