Jurnal Sylva Lestari,
Journal Year:
2023,
Volume and Issue:
11(3), P. 558 - 571
Published: Sept. 29, 2023
The
imperative
transition
to
renewable
energy
drives
the
need
for
innovation.
Biomass,
particularly
wood
pellets,
has
demonstrated
poor
performance
in
co-firing
scenarios.
This
study
employed
pyrolysis
convert
pellets
into
biochar
with
improved
fuel
quality.
production
and
characterization
were
investigated
at
temperatures
of
400°C
500°C.
findings
revealed
significant
improvements:
observed
fixed
carbon
content
increased
from
67.2%
78.8%,
calorific
value
1.2
times
higher
within
temperature
increased.
On
other
hand,
as
500°C,
yields
decreased
49%
37%.
Thermogravimetric
(TG)
analysis
distinct
weight
loss
during
heating,
illuminating
component
volatilization
residue
accumulation.
Furthermore,
Fourier
transform
infrared
(FTIR)
spectroscopy
elucidated
structural
changes,
demonstrating
evolution
cellulose
hemicellulose
aromatic
structures.
Ultimately,
these
insights
characteristics
informed
optimization
processes,
contributing
superior
applications.
Keywords:
biochar,
biomass,
storage,
pyrolysis,
pellet
Given
Indonesia's
abundant
biomass
resources,
co-firing
presents
an
opportunity
to
reduce
coal
plant
carbon
emissions.
However,
the
emissions
profile
of
this
strategy
depends
upon
sourcing,
which,
if
derived
from
non-waste
(purpose-grown
at
plantations),
could
induce
substantial
land
use
change
emissions,
shifting
offset
plants
land.
Here
we
a
plant-level
supply-demand
and
combustion-cycle
assessment
investigate
whether
available
in
Indonesia
agricultural,
forestry,
municipal
waste
alone
can
meet
feedstock
requirements
for
various
ratios
throughout
year
across
archipelago.
Our
results
indicate
that
incorporating
existing
into
reduces
minimally
without
additional
deforestation,
meeting
demand
only
low
ratios.
competition
with
alternative
uses
limited
supply
eastern
provinces,
where
capacity
is
growing,
preclude
higher
Biomass
wastes
but
constraints
limit
abatement
potential,
especially
provinces
growing
capacity,
according
analysis
seasonal
spatial
availability.
WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT,
Journal Year:
2024,
Volume and Issue:
20, P. 616 - 623
Published: Nov. 18, 2024
This
study
aims
to
see
the
effect
of
GDP
per
capita,
income
inequality,
and
population
on
CO2
emissions
in
Indonesia
from
1990-2021.
research
uses
a
descriptive
quantitative
method.
The
data
used
is
secondary
data,
form
annual
for
32
years.
analytical
method
error
correction
model
(ECM)
short
long-term
effects
between
independent
variable
dependent
variable.
results
this
indicate
that
capita
has
positive
significant
Indonesia,
both
term
long
term.
inequality
insignificant
Meanwhile,
term,
negative
Indonesia.
an
However,
Jurnal Sylva Lestari,
Journal Year:
2023,
Volume and Issue:
11(3), P. 558 - 571
Published: Sept. 29, 2023
The
imperative
transition
to
renewable
energy
drives
the
need
for
innovation.
Biomass,
particularly
wood
pellets,
has
demonstrated
poor
performance
in
co-firing
scenarios.
This
study
employed
pyrolysis
convert
pellets
into
biochar
with
improved
fuel
quality.
production
and
characterization
were
investigated
at
temperatures
of
400°C
500°C.
findings
revealed
significant
improvements:
observed
fixed
carbon
content
increased
from
67.2%
78.8%,
calorific
value
1.2
times
higher
within
temperature
increased.
On
other
hand,
as
500°C,
yields
decreased
49%
37%.
Thermogravimetric
(TG)
analysis
distinct
weight
loss
during
heating,
illuminating
component
volatilization
residue
accumulation.
Furthermore,
Fourier
transform
infrared
(FTIR)
spectroscopy
elucidated
structural
changes,
demonstrating
evolution
cellulose
hemicellulose
aromatic
structures.
Ultimately,
these
insights
characteristics
informed
optimization
processes,
contributing
superior
applications.
Keywords:
biochar,
biomass,
storage,
pyrolysis,
pellet