Catalytic solid derived from residual bean husk biomass applied to sustainable biodiesel production: preparation, characterization, and regeneration study
RSC Advances,
Год журнала:
2025,
Номер
15(9), С. 7050 - 7068
Опубликована: Янв. 1, 2025
This
study
investigates
the
use
of
bean
husks
as
a
precursor
for
synthesis
an
efficient
and
regenerable
catalyst,
with
aim
offering
economical
sustainable
alternative
biodiesel
production.
Residual
shell
biomass
(RBBH)
was
calcined
at
different
temperatures
(350-500
°C)
times
(1-4
h)
to
determine
optimum
conditions.
The
catalyst
obtained
characterized
by
various
methods,
such
X-ray
Diffraction
(XRD),
Fourier
Transform
Infrared
Spectroscopy
(FT-IR),
Scanning
Electron
Microscopy
(SEM),
Energy
Dispersive
(EDS)
Thermogravimetric
Analysis
(TG/DTG).
results
showed
that
contains
metal
oxides
carbonates
active
sites.
In
addition,
influence
reaction
conditions
evaluated
in
ranges
temperature
(60-120
°C),
time
(0.5-2.5
h),
MeOH
:
oil
molar
ratio
(12
1-28
1)
concentration
(2-10%
weight).
maximum
ester
content
(97.6%)
achieved
120
°C,
2
h,
20
1
8%
catalyst.
After
partial
deactivation
solid
it
regenerated
KOH,
yielding
biodiesels
over
75%
three
consecutive
cycles,
demonstrating
its
efficiency
potential
continuous
use.
Язык: Английский
A review on the conversion of plant husk-based biomass into biochar
Biofuels,
Год журнала:
2024,
Номер
15(10), С. 1331 - 1345
Опубликована: Июль 8, 2024
This
study
sheds
light
on
the
synthesis,
properties,
and
application
of
plant
husk-derived
biomass
into
biochar
through
thermochemical
conversion
processes.
Gasification,
pyrolysis,
hydrothermal
carbonization,
torrefaction
are
processes
that
have
been
used
in
this
regard.
Investigation
production
variables
revealed
temperature,
carbonization
duration,
heating
rate
significantly
influence
yield
characteristics
husk-based
biochar,
including
surface
area
porosity,
with
temperature
exerting
most
notable
impact.
It
was
observed
gave
rise
to
a
relatively
higher
than
other
processes,
which
may
be
due
low
temperatures
usually
utilized.
The
properties
typically
exhibit
carbon
content
exceeding
45%
its
total
weight.
has
applied
as
catalyst,
for
soil
amendment,
environmental
remediation,
water
treatment.
identification
research
gaps
shows
need
further
exploration
intricacies
well
consequences
socio-environmental
factors,
technical
scalability,
economic
feasibility.
Язык: Английский
Removal of phenol from wastewater using Luffa cylindrica fibers in a packed bed column: Optimization, isotherm and kinetic studies
Heliyon,
Год журнала:
2024,
Номер
10(4), С. e26443 - e26443
Опубликована: Фев. 1, 2024
This
research
entails
a
comparison
of
the
effectiveness
unmodified
Язык: Английский
Modification of activated carbon for enhanced treatment of per‐ and polyfluoroalkyl substances: A focused review
Remediation Journal,
Год журнала:
2024,
Номер
34(2)
Опубликована: Фев. 1, 2024
Abstract
In
response
to
the
growing
concern
over
contamination
of
water
sources
by
per‐
and
polyfluoroalkyl
substances
(PFAS),
use
activated
carbon
(AC)
for
PFAS
removal
has
garnered
significant
attention.
However,
efficient
with
conventional
AC
poses
challenges
due
limited
surface
area
delayed
absorption
kinetics.
This
focused
review
provides
a
concise
overview
latest
advancements
in
modification
AC,
promising
strategy
enhancing
adsorption.
Chemical
physical
modifications,
including
deposition
metal/metal
oxide
nanoparticles,
polymer‐based
coatings,
surfactants,
advanced
oxidation
processes,
were
explored,
offering
insights
into
their
mechanisms
effectiveness.
The
thorough
analysis
these
modified
materials
valuable
resource
developing
sustainable
strategies
address
pressing
issue
sources.
Язык: Английский
Investigating the Tribological Behavior of Bioinspired Surfaces in Agro-waste and Alumina Reinforced AA6063 Matrix Composites
Vacuum,
Год журнала:
2024,
Номер
unknown, С. 113687 - 113687
Опубликована: Сен. 1, 2024
Язык: Английский
Investigating the mechanical performance of innovative bean pod ash particulates reinforced in AA6063 alloy for construction and building applications
MRS Advances,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 30, 2025
Язык: Английский
Another way to valorize by-products: Coffee Silver Skin for removing the antibiotic Norfloxacin from water
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 116285 - 116285
Опубликована: Март 1, 2025
Язык: Английский
Antibiotics in water: Bean pods as adsorbent for removing and recovering ciprofloxacin
Environmental Chemistry and Ecotoxicology,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Язык: Английский
Seasonal variation and human health risk assessment of potentially toxic elements in pharmaceutical effluents around Ilorin metropolis, Nigeria
Environmental Monitoring and Assessment,
Год журнала:
2024,
Номер
196(8)
Опубликована: Авг. 1, 2024
Язык: Английский
Packed-bed pyrolysis of some leguminosae PODS – exothermicity magnitude and products
Fuel,
Год журнала:
2024,
Номер
375, С. 132667 - 132667
Опубликована: Авг. 2, 2024
Packed
bed
pyrolysis
is
carried
out
for
a
heating
temperature
of
575
K
pellets
made
by
ten
Leguminosae
pods
(peas,
broad
beans,
cranberry
and
cannellini
peanuts,
broom,
tamarind,
silver
wattle,
acacia,
carob).
Except
some
tree
(carob,
acacia),
remarkable
exothermicity
displayed
with
overshoots
approximately
between
50–130
K.
Based
on
thermogravimetric
curves,
it
can
be
stated
that
high
alkali
contents
(low
peak
rate
temperatures)
promote
exothermic
decomposition.
Instead,
negative
factors
are
low
molecular
weight
carbohydrates
to
the
detriment
cellulose
rates).
The
yields
charred
solid
in
range
36-62
wt%.
Carbon
dioxide
most
abundant
gaseous
product,
followed
smaller
carbon
monoxide.
liquids
mainly
consist
acetic
acid,
hydroxy
propanone,
methyl
alcohol,
furfural,
furfuryl
alcohol
and,
cases,
toluene.
In
general,
characteristics
quantitatively
similar
belonging
same
botanical
family,
few
exceptions
caused
peculiar
chemical
compositions
such
as
case
carob
pods.
Язык: Английский