Biofuels,
Journal Year:
2024,
Volume and Issue:
15(10), P. 1331 - 1345
Published: July 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.
Cleaner Materials,
Journal Year:
2022,
Volume and Issue:
6, P. 100162 - 100162
Published: Oct. 31, 2022
Sugarcane
bagasse
(SCB)
is
the
fibrous
lignocellulosic
residue
left
over
after
crushing
sugarcane
to
extract
juice
for
sugar
and
ethanol
production.
In
this
review,
a
concise
overview
of
existing
thermochemical
technologies
production
biochar
from
SCB
its
potential
applications
presented
discussed.
Some
used
so
far
in
regard
include
pyrolysis,
gasification,
hydrothermal
carbonization,
torrefaction.
However,
pyrolysis
was
found
be
most
widely
among
them.
These
processes
can
affected
by
several
operating
conditions
such
as
temperature,
heating
rate,
particle
size,
residence
duration,
with
temperature
being
significant
efficient
variable
influencing
quality
biochar.
The
yield
reported
literature
ranged
14
%
56
%.
A
higher
obtained
at
lower
than
one
because
decomposes
temperatures
(>500
°C).
has
promising
agriculture
environment,
including
soil
amendment,
adsorbent
water
wastewater
treatment,
supplementary
cementitious
material,
amongst
others.
knowledge
gaps
were
also
stated
study,
cost
analysis
comparison
utilizing
fuel
industries
become
highly
carbon
material
wide
range
variety
sectors.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(10), P. e20440 - e20440
Published: Sept. 26, 2023
Microplastics,
measuring
less
than
5
mm
in
diameter,
are
now
found
various
environmental
media,
including
soil,
water,
and
air,
have
infiltrated
the
food
chain,
ultimately
becoming
a
part
of
human
diet.
This
study
offers
comprehensive
examination
intricate
nexus
between
microplastics
health,
thereby
contributing
to
existing
knowledge
on
subject.
Sources
microplastics,
microfibers
from
textiles,
personal
care
products,
wastewater
treatment
plants,
among
others,
were
assessed.
The
meticulously
examined
diverse
routes
microplastic
exposure—ingestion,
inhalation,
dermal
contact—offering
insights
into
associated
health
risks.
Notably,
ingestion
has
been
linked
gastrointestinal
disturbances,
endocrine
disruption,
potential
transmission
pathogenic
bacteria.
Inhalation
airborne
emerges
as
critical
concern,
with
possible
implications
for
respiratory
cardiovascular
health.
Dermal
contact,
although
explored,
raises
prospect
skin
irritation
allergic
reactions.
impacts
COVID-19
pollution
also
highlighted.
Throughout
manuscript,
need
deeper
mechanistic
understanding
interactions
systems
is
emphasized,
underscoring
urgency
further
research
public
awareness.
Green Chemical Engineering,
Journal Year:
2023,
Volume and Issue:
5(1), P. 31 - 49
Published: March 15, 2023
Biomass
and
plastics
are
two
of
the
most
common
municipal
solid
wastes
globally
that
have
continuously
placed
a
burden
on
environment.
It
is
therefore
important
they
properly
recycled.
Thermochemical
co-conversion
offers
valuable
opportunity
to
recycle
biomass
simultaneously
into
biochar,
which
reduces
time
cost
recycling
them
individually
while
producing
material
with
wide
range
applications.
This
study
review
published
literature
discusses
thermochemical
co-processing
plastic
biochar.
was
observed
co-pyrolysis
co-hydrothermal
carbonization
commonly
utilized
technologies
for
this
process.
The
characteristics
different
been
thermochemically
converted
biochar
were
compared.
properties
resulting
affected
by
feedstock
composition,
pre-treatment
blending
ratio,
reactor's
configuration,
reaction
temperature,
presence
catalyst.
Most
studies
found
treating
feedstocks
separately
resulted
in
lower
yield
than
processing
together.
created
procedure
has
used
as
soil
additive
an
adsorbent
water
treatment.
Future
perspectives
suggestions,
such
necessity
some
technical
advancement,
biochar's
economic
benefits,
improved
government
participation,
raised
social
awareness,
also
made.
These
factors
potential
propel
field
great
horizons.
Total Environment Research Themes,
Journal Year:
2023,
Volume and Issue:
6, P. 100029 - 100029
Published: Feb. 11, 2023
Cassava
production
and
consumption
in
its
raw
or
processed
form
have
experienced
a
rise
recent
times
globally,
with
Nigeria
being
the
major
producer
of
cassava
world.
However,
increased
this
crop
has
resulted
an
increase
peels,
which
if
not
properly
disposed
recycled,
would
burden
environment.
Previous
studies
only
been
able
to
engage
electrically-powered
reactors
for
thermochemical
conversion
these
is
challenge
as
cannot
be
used
regions
insufficient
supply
electricity.
In
study,
authors
utilized
top-lit
updraft
reactor
retort
heating
waste
peels
into
biochar.
The
reactor,
relatively
cheap,
simple
use,
environmentally
friendly
modified
biochar
production,
biomass-powered.
carbonization
process,
lasted
160
minutes,
obtained
peak
temperature
338
℃,
gave
yield
55.13%.
FTIR
analysis
revealed
that
peel
consists
similar
functional
groups
relation
precursor,
but
more
oxygenated
groups.
BET
surface
area
BJH
pore
diameter
were
319.784
m2/g
2.447
nm,
respectively.
EDX
showed
majorly
made
up
carbon
(56.93%)
silver
(22.97%).
SEM
micrographs
rough
porous
surface.
DTA/TGA
results
process
improved
thermal
efficiency
material.
