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.
Biofuels,
Год журнала:
2023,
Номер
15(4), С. 433 - 447
Опубликована: Сен. 13, 2023
AbstractBiochar
is
a
solid
material
that
contains
lot
of
carbon
and
created
by
heating
biomass
in
an
environment
where
there
little
or
no
oxygen.
It
has
become
clear
biochar
holds
great
promise
for
combating
climate
change,
enhancing
soil
fertility,
eliminating
pollutants,
promoting
effective
waste
disposal.
In
particular,
sawdust
produced
via
thermochemical
processes
drawn
attention
because
its
affordability
abundant
availability.
This
review
paper
presents
general
summary
the
production
processes,
including
pyrolysis,
hydrothermal
carbonization,
torrefaction,
gasification.
was
observed
specific
yields
performance
these
methods
vary
depending
on
feedstock
source,
process
parameters,
equipment
used.
Additionally,
properties
biochar,
such
as
content,
surface
area,
stability,
also
method.
The
effects
operating
factors
sawdust-biochar
temperature,
rate,
residence
duration,
are
covered
study.
While
challenges
exist,
ongoing
research
aims
to
improve
applications,
making
it
valuable
tool
climate-smart
agriculture
sustainable
land
management.Keywords:
Biocharsawdustthermochemical
processespyrolysiswaste
management
Disclosure
statementNo
potential
conflict
interest
reported
author(s).Additional
informationFundingThis
work
received
external
funding.
Low-carbon Materials and Green Construction,
Год журнала:
2023,
Номер
1(1)
Опубликована: Фев. 13, 2023
Abstract
Over
the
years,
devastating
impact
of
climate
change
has
become
pronounced
due
to
inadequate
regulation
for
waste
disposal
in
a
developing
country
like
Nigeria.
The
chicken
feather-based
metal
oxide-rich
(MOR)
biochar
was
produced
using
top-lit
updraft
reactor
at
peak
temperature
417.2
°C
give
yield
28.19%.
results
were
analyzed
Brunauer-Emmett-Teller
BET,
Scanning
Electron
Microscopy
(SEM),
Fourier
Transform
Infrared
Spectroscopy
(FTIR),
X-ray
diffraction
(XRD),
Energy
Dispersive
(EDS),
and
fluorescence
spectroscopy
(XRF).
result
shows
that
sample
is
mesoporous
(pore
diameter
2.132
nm)
with
BET
surface
area
105.7
m
2
/g.
CaO
(33.147
wt%)
SO
3
(25.673
major
oxides
present
notable
proportions
on
material
surface,
which
evident
SEM
micrograph.
elemental
compositions
raw
oxygen
(36.917
calcium
(23.690
wt%),
minerals
quartz,
marialite,
davyne,
graphite.
study
elucidates
successful
efficient
recovery
route
preparation
adsorbents
precursors
many
product
synthesis
processes.
Graphical
Biofuels,
Год журнала:
2023,
Номер
14(6), С. 635 - 643
Опубликована: Янв. 1, 2023
Expanded
polystyrene
and
waste
biomass
(almond
leaves)
were
investigated
in
this
study
as
effective
feedstocks
for
the
synthesis
of
biochar.
The
biochar
was
created
a
top-lit
updraft
conversion
reactor,
its
characteristics
examined
potential
applications
using
variety
analytical
techniques.
yields
39.5
wt%
60.6
hybrid
system
obtained
at
peak
temperatures
295
°C
320
°C,
respectively.
Samples
biochar,
with
surface
areas
379
398.5
m2/g,
respectively,
showed
mesoporous
structures.
Thermogravimetric
analysis
that
is
more
thermally
stable
than
while
FTIR
results
revealed
presence
several
functional
groups
both
samples,
validating
their
adsorbents
removal
pollutants.
able
to
establish
practical
methods
managing
municipal
solid
waste,
plan
sustainable
environment,
development
valuable
products
range
applications.
Biofuels,
Год журнала:
2023,
Номер
15(6), С. 627 - 634
Опубликована: Окт. 30, 2023
This
comparative
study
explores
the
production
and
characterization
of
biochar
derived
from
a
combination
sugarcane
bagasse
(SB)
chicken
feathers
(CF),
with
doping
strategy
for
each
biomass
in
other.
Two
biochars,
SB92CF-BC
(92%
SB
8%
CF)
CF92SB-BC
CF
SB),
were
produced
using
top-lit
updraft
reactor,
resulting
yield
34%
27%,
respectively.
Fourier
transform
infrared
spectroscopy
(FTIR)
analysis
revealed
characteristic
functional
groups
both
minimal
impact
process.
Scanning
electron
(SEM)
showed
distinct
morphological
features,
exhibiting
smoother
surface
displaying
an
irregular
rough
morphology.
Energy
dispersive
X-ray
(EDS)
confirmed
presence
several
elements
higher
nitrogen
content
CF92SB-BC.
Brunauer-Emmett-Teller
(BET)
demonstrated
significant
specific
areas
exceeding
those
reported
unmodified
biochars.
The
findings
suggest
potential
synergistic
effects
strategy.
expands
knowledge
on
diverse
sources
highlights
utilizing
lignocellulosic
non-lignocellulosic
waste
materials
sustainable
production.
Functional Composites and Structures,
Год журнала:
2023,
Номер
5(1), С. 012002 - 012002
Опубликована: Янв. 9, 2023
Abstract
This
study
is
a
review
of
published
literature
that
discusses
the
utilization
biochar
(BC)
and
plastics
as
filler
matrix,
respectively,
in
composite
material.
These
composites,
referred
to
Biochar-filled
plastic
composites
(BFPCs),
play
significant
role
production
environmentally
friendly
materials.
paper
provides
an
overview
BFPCs,
their
properties
(mechanical,
rheological,
morphological,
electrical,
thermal
properties),
fabrication
techniques,
prospects
challenges
associated
with
development.
Even
though
there
have
been
previous
studies
on
none
these
discussed
drawbacks
potential
development
BFPCs.
BCs’
small
weight
makes
them
more
appealing
option
than
traditional
mineral
fillers
when
it
comes
reducing
vehicle
weight.
Due
superior
mechanical
qualities,
well
low
carbon
footprint,
BC-filled
(BFPCs)
It
was
observed
either
melt
extrusion
or
injection
molding
are
usually
used
fabricate
BFPC.
BFPCs
influenced
by
several
factors
such
type
concentration
plastic,
method
fabrication,
BC
content,
mixing
uniformity
mixture,
wetting,
particle
dispersion.
Challenges
were
also
discussed,
issue
agglomeration
poor
interfacial
bonding
at
high
concentrations
composite.
Composites
made
from
recycled
polymers
biodegradable
can
be
developed
improve
composites’
overall
sustainability.
