Global NEST International Conference on Environmental Science & Technology,
Год журнала:
2023,
Номер
unknown
Опубликована: Авг. 28, 2023
The
replacement
of
fossil
fuels
by
renewable
biofuels
is
one
the
ways
to
limit
climate
change
and
improve
quality
atmospheric
air.
For
existing
solid
fuel
combustion
plants,
a
partial
coal
with
biomass
from
wood
or
agriculture
waste
applied.
In
this
paper
effect
alkaline
conversion
mixed
ash
produce
carbon
sequestration
sorbents
was
studied.
influence
amount
type
on
morphology,
structure,
surface
characteristics
CO2
capture
capacity
obtained
products
Cleaner Materials,
Год журнала:
2024,
Номер
12, С. 100247 - 100247
Опубликована: Апрель 11, 2024
Worldwide
every
year
massive
amount
of
coal
fly
ash
is
being
generated
as
by
product
in
the
power
plants
which
creates
economic,
environmental
and
most
importantly
health
problems.
Usually
used
cement
production
worldwide.
At
present,
Bangladesh,
about
95
%
remains
still
unutilized.
The
alkali
activation
has
become
a
top
research
topic
it
possible
to
synthesize
low
cost
ecologically
sound
mesoporous
zeolite
type
materials.
In
present
work,
best
our
knowledge,
for
first
time
synthesis
characterization
crystalline
(H3
hysteresis)
aluminosilicate
consisting
Na-P1
with
high
BET
specific
surface
area
pore
volume
from
based
on
hydrothermal
technique
have
been
successfully
done.
This
versatile
applications
like
catalysis,
gas
separation,
water
softening,
purification,
sensing
etc.
variable
concentration
was
studied
notable
influence
development
framework
pores.
untreated
(CFA)
synthesized
modified
ashes
(MFAs)
were
tested
WDS-XRF,
XRD,
N2
physisorption,
FE-SEM,
FT-IR,
XPS,
EDAX-mapping,
particle
size
analysis
other
technologies.
area,
total
average
diameter
CFA
only
3
m2/g,
0.01
cc/g
6.3
nm
respectively
nitrogen
physisorption
technique,
whereas,
after
at
temperature
time,
then
curing,
significant
promising
increased
values
said
parameters
45
0.11
9.8
obtained
respectively.
methylene
blue
dye
adsorption
experiment,
MFA
showed
higher
capacity
(23.87
mg/g).
Abstract
Volatile
organic
compounds
(VOCs)
are
typical
pollutants
with
hazards
for
humans
and
the
environment,
which
can
be
efficiently
mitigated
by
catalytic
combustion.
Fe
2
O
3
‐based
catalysts
a
promising
choice
due
to
their
low
cost
strong
redox
ability.
Several
attempts
have
been
made
promote
performance
at
temperatures.
This
review
summarizes
research
progress
on
oxidation
of
toluene,
one
most
common
harmful
VOC.
Firstly,
structural
properties
performances
summarized,
reaction
mechanisms
toluene
surface
were
detailed
comprehend
role
oxygen
vacancies.
Then,
modification
single
catalysts,
including
synthesis
parameters,
structure
morphology
control,
is
introduced
reveal
correlation
between
physicochemical
activity
oxidation.
In
addition,
composite
significantly
synergetic
effect
different
components,
presented
in
detail.
Moreover,
waste‐derived
sustainable
merit
as
converting
waste
into
worth
discussed.
Finally,
advanced
machine
learning
tools,
helpful
accelerating
catalyst
design,
configuration
optimization
reactivity
prediction,
an
emerging
opportunity
future.
Catalysts,
Год журнала:
2024,
Номер
14(10), С. 734 - 734
Опубликована: Окт. 20, 2024
Zeolites
have
been
increasingly
applied
in
various
fields
such
as
energy
conversion,
environmental
remediation,
chemical
production,
and
so
on,
being
used
membranes,
catalysts,
supports
due
to
their
large
specific
areas
strong
gas
adsorption.
And,
developing
low-cost
strategies
for
the
preparation
of
zeolites
has
attracted
extensive
attention
researchers.
Coal
fly
ash,
waste
glass,
discard
zeolites,
slags
are
typical
industrial
wastes
rich
Si
Al,
indicating
that
these
can
be
utilized
alternative
raw
materials
zeolite
synthesis.
Firstly,
composition
properties
summarized.
Then,
involved
synthesizing
different
from
discussed.
In
addition,
applications
comprehensively
reviewed.
Energies,
Год журнала:
2023,
Номер
16(18), С. 6593 - 6593
Опубликована: Сен. 13, 2023
The
synthesis
and
utilization
of
zeolites
derived
from
fly
ash
(FA)
gained
significant
attention
years
ago
due
to
their
potential
address
environmental
challenges
promote
sustainable
practices
subscribing
the
circular
economy
concept.
This
paper
highlights
recent
findings
regarding
FA.
It
begins
with
a
discussion
about
industrial
waste
management
statistics
its
availability
on
global
market
special
insight
into
situation
in
Poland.
characteristics
FA
obtained
various
fuels
were
presented
main
differences
highlighted.
Then,
different
methods
used
for
discussed
small
pilot
scales
taking
consideration
problems.
analytical
porous
materials
verification
properties
determination
described.
sorption
FA-derived
discussed.
Finally,
emphasizes
applications
ash-derived
fields.
Their
importance
as
alternatives
conventional
industry,
construction,
agriculture,
power,
medicine,
other
sectors
was
analyzed.
