RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(30), P. 21342 - 21354
Published: Jan. 1, 2024
Based
on
the
high
silica
content
and
adsorption
characteristics
of
fly
ash,
two
novel
adsorbents,
namely
mesoporous
silica-based
material
(MSM)
sodium
dodecyl
sulfate-modified
ash
(SDS-FA),
were
prepared.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(5), P. 670 - 670
Published: March 1, 2025
This
review
provides
a
comprehensive
analysis
of
the
role
chemical
agents
in
enhancing
performance
geopolymers
for
stabilization
and
adsorption
heavy
metals.
Geopolymers,
synthesized
from
aluminosilicate
sources
activated
under
alkaline
conditions,
are
recognized
their
versatile
structural
environmental
benefits,
including
low
carbon
emissions
high
resistance.
Their
unique
Si-O-Al
framework
supports
both
stabilization/solidification
(S/S)
processes,
making
them
an
ideal
polymeric
matrix
immobilization
hazardous
metals
contaminated
environments.
The
categorizes
metal
mechanisms
into
physical
encapsulation,
ion
exchange,
hydroxide
precipitation,
complexation,
depending
on
specific
species
geopolymer
formulation.
introduction
stabilizing
agents,
such
as
dithiocarbamate,
sodium
sulfide,
trimercaptotriazine,
significantly
improves
encapsulation
efficacy
by
promoting
targeted
reactions
stable
complexes.
These
enable
effective
S/S
metals,
lead,
cadmium,
chromium,
reducing
leachability
impact.
In
addition
to
solid
waste
management
applications,
have
shown
promising
capabilities
aqueous
contaminants,
with
modifications
further
increasing
affinity
evaluates
impact
different
synthesis
conditions
overall
immobilization,
highlighting
advances
applications
future
research
directions
sustainable
treatment.
Minerals,
Journal Year:
2024,
Volume and Issue:
14(9), P. 943 - 943
Published: Sept. 15, 2024
Industrial
solid
residual
waste
(ISRW)
generated
during
and/or
due
to
the
making
of
energy,
heat,
and
raw
materials
poses
a
major
threat
sustainable
future
its
large
production
quantities
complex
characteristics.
Especially
improper
disposal
ISRW
(e.g.,
coal
ashes,
municipal
residue,
biomass
ashes)
not
only
threatens
human
health
but
can
also
cause
environmental
hazards
such
as
water,
soil,
air
pollution,
upsetting
global
balance.
Given
impacts
well
increasingly
stringent
regulations,
lack
landfills,
economic
constraints,
more
naturally
friendly
management
strategies
are
being
adopted
for
ISRW.
While
numerous
studies
in
literature
have
considered
various
characteristics
ISRW,
complete
appraisal
entire
practice,
from
disposal,
is
still
lacking.
This
paper
presents
an
overview
making,
features,
traditional
innovative
managing
tactics
within
context
general
legal
framework.
provides
scientific
review
types,
quantities,
Additionally,
orthodox
ISRWs
scrutinized
sociological
ecological
standpoint,
diverse
techniques
viable
secure
elucidated.
culminates
examination
impact
advantages
policies
based
on
legislation
regulations.
Consequently,
this
seeks
elucidate
extant
practices
few
recent
advancements
pertaining
ISRWs.
it
underscores
ecological,
sociological,
issues
engendered
by
proposes
applications
technologies.
