Biofuels Bioproducts and Biorefining,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 27, 2025
Abstract
This
study
investigated
the
influence
of
alkali
and
alkaline
earth
metals
(AAEMs)
on
structural
transformation
silica
(SiO₂)
during
ashing
rice
husks.
It
has
implications
for
silicon‐based
material
development
from
thermal
conversion.
Utilizing
water/acid‐washed
treatments
to
remove
AAEMs,
research
assessed
effects
these
crystallization
characteristics
SiO₂
in
husk
ash.
The
results
showed
a
significant
increase
temperatures
under
both
slow
rapid
conditions,
with
acid
washing
having
more
pronounced
effect.
removal
K,
primary
AAEM,
was
identified
as
key
factor
improving
temperatures.
presence
K
aided
preservation
residual
carbon,
further
influencing
crystallization.
Washing
lower
also
improved
pore
structures
ashes,
thus
enhancing
functional
applicability
husk‐derived
silicon
materials.
Hybrid Advances,
Journal Year:
2023,
Volume and Issue:
4, P. 100111 - 100111
Published: Nov. 21, 2023
The
use
of
low-cost,
renewable
or
waste
resources
to
create
engineered
silica
particles
is
a
valuable
example
sustainability.
Rice
husks
are
that
can
be
used
modified
as
well
biofuels.
remote
and
contemporary
synthesis
methods
for
producing
tailored
from
rice
described
in
this
review.
first
portion
the
review
gives
brief
background
raw
material
–
husk.
second
part
discusses
various
procedures
extraction
husks,
ranging
physical
(thermal)
method,
chemical
other
such
hydrothermal
carbonation
methods.
third
covers
range
possible
researched
applications
silica.
Finally,
challenges
must
addressed
before
process
commercialized.
Journal of Composites Science,
Journal Year:
2023,
Volume and Issue:
7(12), P. 488 - 488
Published: Nov. 26, 2023
For
over
a
century,
enzyme
immobilisation
has
been
proven
to
be
superior
strategy
improve
catalytic
activity
and
reusability
ensure
easy
separation,
operation,
reduced
cost.
Enzyme
allows
for
an
easier
separation
of
the
from
reaction
mixture,
thus
simplifying
downstream
processing.
This
technology
protects
degradation
or
inactivation
by
harsh
conditions,
making
it
more
robust
suitable
used
in
various
applications.
Recent
strategies
methods,
such
as
adsorption,
cross-linking,
entrapment
encapsulation,
covalent
bonding,
were
critically
reviewed.
These
have
shown
promising
results
improving
stability,
activity,
A
recent
development
nanomaterials
agrowaste
renewable
carriers
is
underlined
current
review.
Furthermore,
use
gained
significant
attention
due
their
unique
properties,
high
surface
area,
mass
transfer,
biocompatibility,
sustainability.
materials
offer
outcomes
developing
efficient
sustainable
immobilised
enzymes.
state-of-the-art
better
control
reactions
enhances
reusability,
leading
cost-effective
environmentally
friendly
processes.
The
also
helps
reduce
waste
generation
promote
utilisation
resources,
further
contributing
circular
economy.
Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
317, P. 100086 - 100086
Published: Jan. 1, 2024
The
objective
of
the
present
study
is
to
prepare
bio
silica
nanoparticles
(SN)
from
rice
husks
as
a
biomass
agricultural
solid
waste
material.
synthesized
nanoparticle
was
investigated
with
different
tools
such
TGA,
XRD,
SEM,
TEM,
nitrogen
gas
adsorption,
and
FTIR.
Adsorption
amoxicillin
studied
under
application
conditions
effect
dosage
adsorbent,
medium
acidity,
time
shaking,
initial
concentration,
temperature.
Characterization
techniques
showed
that
SN
characterized
by
high
surface
area
(529.2
m2/g),
small
pore
radius
(1.32
nm),
thermal
stability,
particle
size
within
range
20–25
nm
calculated
TEM
analysis.
onto
followed
PSO
kinetic
models
well
fitted
Temkin,
van
't
Hoff,
Langmuir
linear
maximum
adsorption
capacity
reached
99.8
mg/g
at
38
°C.
process
endothermic
spontaneous,
shown
thermodynamic
characteristics.
Desorption
reusability
studies
confirmed
acetone
most
efficient
desorbing
agent
97.1%
desorption
efficiency.
While
adsorbent
after
six
cycles
reduced
only
7.1%.
The Chemical Record,
Journal Year:
2024,
Volume and Issue:
24(4)
Published: March 26, 2024
Abstract
Silica‐derived
nanostructured
catalysts
(SDNCs)
are
a
class
of
materials
synthesized
using
nanocasting
and
templating
techniques,
which
involve
the
sacrificial
removal
silica
template
to
generate
highly
porous
materials.
The
surface
these
nanostructures
is
functionalized
with
variety
electrocatalytically
active
metal
non‐metal
atoms.
SDNCs
have
attracted
considerable
attention
due
their
unique
physicochemical
properties,
tunable
electronic
configuration,
microstructure.
These
properties
make
them
efficient
promising
electrode
for
next
generation
electrocatalysis,
energy
conversion,
storage
technologies.
continued
development
likely
lead
new
improved
electrocatalysts
This
review
article
provides
comprehensive
overview
recent
advances
in
electrocatalysis
applications.
It
analyzes
337,061
research
articles
published
Web
Science
(WoS)
database
up
December
2022
keywords
“silica”,
“electrocatalysts”,
“ORR”,
“OER”,
“HER”,
“HOR”,
“CO
2
RR”,
“batteries”,
“supercapacitors”.
discusses
application
oxygen
reduction
reaction
(ORR),
evolution
(OER),
hydrogen
(HER),
carbon
dioxide
(CO
RR),
supercapacitors,
lithium‐ion
batteries,
thermal
concludes
by
discussing
advantages
limitations
