Polymers,
Journal Year:
2022,
Volume and Issue:
14(19), P. 4134 - 4134
Published: Oct. 2, 2022
Both
geopolymer
and
plant
fiber
(PF)
meet
the
requirements
of
sustainable
development.
Geopolymers
have
advantages
simple
preparation
process,
conservation
environmental
protection,
high
early
strength,
wide
source
raw
materials,
low
cost.
They
broad
application
prospects
are
considered
as
most
potential
cementitious
materials
to
replace
cement.
However,
due
ceramic-like
shape
brittleness
geopolymers,
their
flexural
strength
tensile
poor,
they
sensitive
microcracks.
In
order
solve
problem
toughness
composites
can
be
improved
by
adding
fibers.
Adding
fibers
geopolymers
limit
growth
cracks
enhance
ductility,
geopolymers.
PF
is
a
good
natural
polymer
material,
with
density,
aspect
ratio.
It
not
only
cheap,
easy
obtain,
abundant
sources,
but
also
repeatedly
processed
biodegradable.
has
hardness,
which
improve
composites.
Nowadays,
research
engineering
fiber-reinforced
(PFRGs)
more
extensive.
this
paper,
recent
studies
on
mechanical
properties
PFRGs
were
reviewed.
The
characteristics
composition,
structure
compatibility
material
degradation
in
substrate
analyzed.
From
perspective
effect
compression,
bending
geopolymer,
reinforcing
mechanism
was
Meanwhile,
pretreatment
Through
comprehensive
analysis
PFFRGs,
limitations
recommendations
PFFRG
put
forward.
Materials,
Journal Year:
2022,
Volume and Issue:
15(20), P. 7098 - 7098
Published: Oct. 12, 2022
Geopolymer
(GP)
concrete
is
a
novel
construction
material
that
can
be
used
in
place
of
traditional
Portland
cement
(PC)
to
reduce
greenhouse
gas
emissions
and
effectively
manage
industrial
waste.
Fly
ash
(FA)
has
long
been
utilized
as
key
constituent
GPs,
GP
technology
provides
an
environmentally
benign
alternative
FA
utilization.
As
result,
thorough
examination
manufactured
using
precursor
(FA-GP
concrete)
employed
replacement
for
conventional
become
crucial.
According
the
findings
current
investigations,
FA-GP
equal
or
superior
mechanical
physical
characteristics
compared
PC
concrete.
This
article
reviews
clean
production,
mix
design,
compressive
strength
(CS),
microstructure
(Ms)
analyses
collect
publish
most
recent
information
data
on
In
addition,
this
paper
shall
attempt
develop
comprehensive
database
based
previous
research
study
expounds
impact
substantial
aspects
such
physio-chemical
precursors,
mixes,
curing,
additives,
chemical
activation
CS
The
purpose
work
give
viewers
greater
knowledge
consequences
uses
making
effective
Journal of Advanced Ceramics,
Journal Year:
2023,
Volume and Issue:
12(2), P. 279 - 295
Published: Jan. 10, 2023
Porous
geopolymer
precursors
were
firstly
prepared
by
the
direct
foaming
method
using
bauxite,
fly
ash
(FA),
and
metakaolin
(MK)
as
raw
materials,
porous
mullite
ceramics
after
ammonium
ion
exchange
then
high-temperature
sintering.
The
effects
of
chemical
agent
concentration,
ion-exchange
time,
sintering
temperature
on
geopolymer-derived
studied,
optimal
preparation
parameters
found.
Studies
have
shown
that
concentration
blowing
had
great
influence
open
porosity
(q)
cell
size
distributions
samples,
which
in
turn
affected
their
compressive
strength
(σ).
Duration
no
obvious
effect
sintered
amount
phase
increased
with
increase
temperature.
Mullite
foams,
possessing
an
open-celled
structure,
closely
resembling
starting
geopolymers
produced
directly
foaming,
obtained
firing
at
high
temperatures.
Stable
(3Al2O3·2SiO2)
ceramic
foams
total
(ε)
83.52
vol%,
83.23
1.72
MPa
1400
℃
for
2
h
air
without
adding
any
additives
commercial
MK,
FA
materials.
Materials,
Journal Year:
2023,
Volume and Issue:
16(10), P. 3792 - 3792
Published: May 17, 2023
The
concept
of
sustainable
development
provides
for
the
search
environmentally
friendly
alternatives
to
traditional
materials
and
technologies
that
would
reduce
amount
CO2
emissions
into
atmosphere,
do
not
pollute
environment,
energy
costs
cost
production
processes.
These
include
geopolymer
concretes.
purpose
study
was
a
detailed
in-depth
analytical
review
studies
processes
structure
formation
properties
concretes
in
retrospect
current
state
issue.
Geopolymer
concrete
is
suitable,
alternative
based
on
ordinary
Portland
cement
(OPC)
with
higher
strength
deformation
due
its
more
stable
denser
aluminosilicate
spatial
microstructure.
durability
depend
composition
mixture
proportions
components.
A
mechanisms
formation,
main
directions
selection
compositions
polymerization
has
been
made.
combined
concrete,
nanomodified
3D
printing
building
structures
from
monitoring
using
self-sensitive
are
considered.
optimal
ratio
activator
binder
best
properties.
partial
replacement
OPC
have
compact
microstructure
large
calcium
silicate
hydrate,
which
improved
strength,
durability,
less
shrinkage,
porosity
water
absorption.
An
assessment
potential
reduction
greenhouse
gas
compared
construction
practice
assessed
detail.
Environmental Quality Management,
Journal Year:
2025,
Volume and Issue:
34(3)
Published: Feb. 3, 2025
ABSTRACT
Geopolymers
are
an
innovative
class
of
environmentally
friendly
materials
gaining
significant
attention
in
construction,
science,
and
sustainable
technology.
As
alternatives
to
traditional
cement‐based
materials,
geopolymers
exhibit
unique
mechanical
properties
suitable
for
various
construction
applications,
including
use
as
coating
high‐temperature‐resistant
materials.
Notably,
can
effectively
adsorb
heavy
metals,
dyes,
radioactive
pollutants,
offering
substantial
environmental
benefits.
This
review
paper
explores
the
process
mechanism
geopolymerization,
well
application
treatment
contaminants.
It
details
how
aluminosilicate
precursors
contribute
photocatalytic
degradation
examining
role
different
raw
material
sources,
types
activators
or
additives
used,
preparation
methods.
highlights
effectiveness
dye
degradation,
providing
insights
into
underlying
mechanisms.
Additionally,
delves
interaction
with
metals
through
mechanisms
such
chemisorption,
complexation,
adsorption,
ion
exchange,
intraparticle
diffusion,
solidification
within
geopolymer
matrix.
comprehensive
analysis
existing
research
aids
researchers
understanding
capabilities
limitations
remediation.
Beyond
waste
reduction,
addresses
broader
impact
geopolymers,
particularly
their
potential
reducing
carbon
footprint
compared
cement.
aspect
is
crucial
evaluating
overall
sustainability
geopolymers.
Furthermore,
emphasizes
importance
life
cycle
durability
assessments
(LCA)
evaluate
ecological
this
eco‐friendly
concrete
throughout
its
lifetime,
from
end‐of‐life
disposal.
LCA
provides
a
complete
perspective
on
guiding
future
applications
construction.
By
synthesizing
current
serves
valuable
resource
technology,
directions
applications.
Journal of Composites Science,
Journal Year:
2025,
Volume and Issue:
9(2), P. 69 - 69
Published: Feb. 4, 2025
The
construction
sector’s
reliance
on
traditional
cement
significantly
contributes
to
CO2
emissions,
underscoring
the
urgent
need
for
sustainable
alternatives.
This
study
investigates
fine
(0–4
mm),
rounded,
uncoated,
porous-surfaced
lightweight
expanded
clay
aggregate
(LECA)-based
geopolymers,
which
combine
low-carbon
benefits
of
geopolymers
with
LECA’s
and
insulating
properties.
Geopolymers
were
synthesized
using
lignite-rich
fly
ash
varying
ratios
LECA
aggregate.
Mechanical
testing
revealed
that
reference
mixture
without
(REF-GEO)
achieved
highest
compressive
strength
37.89
±
0.75
MPa
flexural
7.62
0.11
MPa,
while
complete
substitution
(LECA-100%)
reduced
17.31
0.88
3.41
MPa.
density
samples
decreased
from
2.06
g/cm3
REF-GEO
1.31
LECA-100%,
thermal
conductivity
dropped
1.15
0.07
W/mK
0.38
0.01
W/mK.
Microstructural
analysis
XRD
SEM-EDX
highlighted
changes
in
material’s
internal
structure
increase
porosity
higher
content.
Water
vapor
permeability
increases
over
time,
particularly
These
findings
suggest
LECA-based
are
suitable
low-load
or
non-structural
elements.
They
ideal
sustainable,
energy-efficient
requires
lightweight,
insulating,
breathable
materials.
Buildings,
Journal Year:
2023,
Volume and Issue:
13(7), P. 1880 - 1880
Published: July 24, 2023
Foam
concrete
is
a
promising
material
in
building
and
construction
applications,
providing
such
outstanding
properties
as
high
specific
strength,
excellent
thermal
insulation,
effective
acoustic
absorption
human-inhabited
buildings.
However,
because
the
porosity
permeable
water
of
foam
are
significantly
higher,
its
durability
often
not
comparable
to
that
ordinary
concrete,
so
requires
significant
attention
during
life
cycle
applications.
Durable
materials
can
greatly
reduce
environmental
impact
waste
from
maintenance
replacement
consumption
natural
resources
resulting
production
repair
materials.
After
hardening,
includes
freeze-thaw
resistance,
elevated
temperature
carbonation
efflorescence
sulfate
chloride
alkali-silica
reaction,
on.
This
paper
reviews
articles
on
Portland
cement
(OPC)
geopolymer
(GFC),
magnesium
phosphate
(MPC)
sulphoaluminate
(SAC)
limestone
calcined
clay
(LC3)
compares
their
provide
reference
for
design
service
estimation
members.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(2), P. 1117 - 1117
Published: Jan. 6, 2023
The
application
of
geopolymers
for
the
safe
management
radioactive
waste
has
not
been
implemented
on
a
large
scale,
where
they
are
tirelessly
examined
with
purpose
facilitating
practicality
and
feasibility
actual
towards
sustainable
performance
these
materials.
This
review
therefore
compiles
findings
utilization
as
sorbents
removal
radio-contaminants
from
aqueous
streams
immobilization
matrices
containment
different
wastes.
investigated
geopolymer
base
materials
encompass
wide
range
reactive
aluminosilicate
precursor
sources
that
include
natural
materials,
industrial
wastes,
chemicals.
work
introduces
to
reader
scientific
interest
in
field
studies,
their
sustainability
analysis,
nuclear
industry,
particular
treatment
immobilization.
classification,
radiation
stability,
structural
characterizations
were
summarized
special
reference
characterization
structure
alteration
due
inclusion
functional
or
effect
metakaolin-based
fly
ash-based
other
blend
radio-contaminant
solutions
problematic
reviewed
analyzed
identify
gaps
Finally,
perspectives
presented,
identified
included
need
investigate
new
areas
application,
e.g.,
pretreatment
membrane
separation.
reusability
regeneration
sorbents/exchangers
be
addressed
reduce
material
footprints
this
application.
Moreover,
there
is
develop
durability
tests
standards
based
record
geopolymers.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(13), P. 10121 - 10121
Published: June 26, 2023
In
this
review
article,
system
materials
for
concrete
2D
printing
have
been
discussed,
along
with
the
various
other
aspects
that
are
connected
to
sustainable
construction.
The
article
consists
of
an
introduction
giving
background
manufacturing
started
almost
two
decades
ago,
including
non-conventional
methods
building
structures.
It
has
seen
there
stainable
in
field
3D
construction,
as
conversion
construction
reduces
waste
generation.
Further
cost
comparison
between
conventional
and
effectiveness
printing;
is
very
effective
sense
it
requires
precise
use
machinery
material.
Full-scale
also
sector,
but
only
some
extent.
Some
components
bridges,
even
small
constructed
using
ultra-high-performance
concrete.
Since
advantages
building,
disadvantages
printing,
such
how
much
costs
finding
suitable
which
might
increase
cost.
Polymers
used
since
polymers
a
long
lifespan,
may
strength
final
product
by
reinforcing
aggregate.
Additionally,
technology
gives
us
opportunity
together
recycled
aggregates
geopolymers,
cement,
pose
challenges
being
nowadays.
A
major
concern
its
impact
on
labor
market.
traditional
huge
amounts
man
hours
required,
concerns
raised
about
inclusion
technology,
affect
employment.
most
work
will
be
done
machines,
need
reduce.
These
issues
attention.
Finally,
discusses
novelty
future
scope
concludes
outlining
potential
developments
taking
into
account
sustainability.
