Fuels,
Journal Year:
2025,
Volume and Issue:
6(2), P. 40 - 40
Published: May 21, 2025
The
present
study
analyzes
the
combustion
process
of
mixed
biomass
pellets
in
a
domestic
boiler.
For
purposes
research,
experimental
measurements
flue
gases
are
combined
with
numerical
simulations
based
on
computational
fluid
dynamics
(CFD).
Special
attention
is
given
to
impact
ratio
between
primary
and
secondary
air
process,
emission
characteristics,
thermal
balance.
results
show
that
an
distribution
60/40
(primary/secondary)
leads
more
complete
combustion,
reducing
emissions
carbon
monoxide
(CO)
nitrogen
oxides
(NOx),
while
also
improving
efficiency
analysis
modeling
shows
CO
decrease
by
12%
NOx
27%.
calculated
model
validated
using
data
gas
temperature,
oxygen
(O2)
dioxide
(CO2)
concentrations,
efficiency,
high
degree
correspondence
theoretical
actual
established.
reveal
temperature
field,
movement
gases,
role
turbulence
chamber.
Optimization
proven
improve
reduce
harmful
generated.
obtained
highlight
potential
as
sustainable
alternative
conventional
fuels,
provided
parameters
precisely
regulated.
They
can
serve
foundation
for
enhancement
biomass-based
heating
systems
order
achieve
higher
environmental
sustainability.
A
market
research
conducted,
revealing
preferred
due
their
calorific
value,
low
cost,
ash
content.
GCB Bioenergy,
Journal Year:
2025,
Volume and Issue:
17(2)
Published: Jan. 28, 2025
ABSTRACT
We
estimate
the
U.S.
potential
to
convert
biomass
into
liquid
hydrocarbons
for
fuel
and
chemical
feedstocks,
assuming
massive
low‐carbon
external
heat
hydrogen
inputs.
The
is
first
a
carbon
feedstock
only
secondarily
an
energy
source.
This
analysis
done
three
estimates
of
available
derived
from
2023
Department
Energy/U.S.
Agriculture
“Billion‐Ton
Report”
two
augmented
cases
with
maximum
annual
production
1326,
4791,
5799,
7432,
8745
million
barrels
diesel
equivalent
per
year
five
cases.
Constraints,
such
as
assuring
long‐term
soil
sustainability
by
recycling
nutrients
some
back
soils,
result
in
being
70%–80%
these
numbers.
currently
consumes
about
6900
year.
Long‐term
hydrocarbon
consumption
are
between
50%
75%
current
consumption.
External
additions
conversion
processes
are,
respectively
25,
91,
111,
142,
167
tons
system
strongly
negative
because
nutrient
soils
improve
productivity.
Fermentation,
Journal Year:
2025,
Volume and Issue:
11(2), P. 62 - 62
Published: Feb. 1, 2025
Renewable
energy
sources,
such
as
biofuels,
represent
promising
alternatives
to
reduce
dependence
on
fossil
fuels
and
mitigate
climate
change.
Their
production
through
enzymatic
hydrolysis
has
gained
relevance
by
converting
agro-industrial
waste
into
fermentable
sugars
residual
oils,
which
are
essential
for
the
generation
of
bioethanol
biodiesel.
The
fungus
Aspergillus
stands
out
a
key
source
enzymes,
including
cellulases,
xylanases,
amylases,
lipases,
crucial
breakdown
biomass
oils
produce
fatty
acid
methyl
esters
(FAME).
This
review
examines
current
state
these
technologies,
highlighting
significance
in
conversion
energy-rich
materials.
While
process
holds
significant
potential,
it
faces
challenges
high
costs
associated
with
final
processing
stages.
Agro-industrial
is
proposed
an
resource
support
circular
economy,
thereby
eliminating
reliance
non-renewable
resources
processes.
Furthermore,
advanced
pretreatment
technologies—including
biological,
physical,
physicochemical
methods,
well
use
ionic
liquids—are
explored
enhance
efficiency.
Innovative
genetic
engineering
strains
enzyme
encapsulation,
promise
optimize
sustainable
biofuel
addressing
advancing
this
technology
towards
large-scale
implementation.
Crystals,
Journal Year:
2025,
Volume and Issue:
15(2), P. 135 - 135
Published: Jan. 26, 2025
In
the
recent
reports,
it
is
clear
that
lead-free
perovskite
materials
with
low
band
gaps
are
desirable
candidates
for
photovoltaic
cells.
this
regard,
was
observed
germanium
(Ge)
a
less
toxic
metal
significant
preparation
of
Ge-based
materials.
materials,
example,
methyl
ammonium
iodide
(MAGeI3),
cesium
(CsGeI3),
and/or
formamidinium
(FAGeI3)
may
be
suitable
absorber
and
alternatives
towards
fabrication
past
few
years,
attempts
were
made
to
develop
FAGeI3-based
solar
cells,
but
their
performance
still
under
limitations.
This
indicating
some
effective
strategies
should
designed
developed
construction
It
believed
optimization
layer
thickness,
device
structure,
selection
electron
transport
(ETL)
improve
Solar
cell
capacitance
simulation,
i.e.,
SCAPS
one
promising
software
programs
can
provide
theoretical
findings
development
The
simulation
studies
via
benefit
researchers
save
energy
high
cost
process
in
laboratories.
research
article,
adopted
as
tool
investigations
exhibited
excellent
efficiency
15.62%
SCAPS.
study
proposed
optimized
structure
FTO/TiO2/FAGeI3/PTAA/Au
enhanced
performance.
Energies,
Journal Year:
2025,
Volume and Issue:
18(5), P. 1113 - 1113
Published: Feb. 25, 2025
Forest
biomass
is
a
renewable
source
of
environmentally
friendly
material—wood.
However,
wood
processing
generates
large
amounts
by-products,
including
branches.
These
byproducts
are
often
used
as
firewood;
however,
they
can
be
much
more
effectively.
In
this
study,
the
pyrolysis
two
woods,
namely
birch
and
pine,
was
proposed.
The
liquid
products
were
studied
by
FTIR
spectroscopy,
heating
value
these
evaluated.
order
to
find
optimal
temperature
from
point
view
calorific
product,
process
carried
out
at
four
temperatures:
450,
500,
550,
600
°C.
product
yielded
three
fractions,
which
analyzed,
dense
tar
fraction
light
fraction.
analysis
results
clearly
demonstrated
that
samples
different
fractions
differ
one
another,
yet
within
same
remarkably
similar.
characterized
with
higher
gross
between
42
50
MJ/kg,
while
29
39
MJ/kg;
in
general,
pine
values.
small
industry
by-products
an
interesting
method
utilization,
yielding
not
only
good
properties,
but
also
solid
biochar,
may
carbon
storage
or
soil
amendment.
IntechOpen eBooks,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 16, 2025
This
chapter
provides
a
comprehensive
exploration
of
the
various
technologies
used
to
convert
biomass
into
valuable
products,
such
as
biofuels,
biochemicals,
and
bioenergy.
It
thoroughly
examines
three
main
categories
current
conversion
technologies:
thermochemical,
biochemical,
physicochemical
processes.
Thermochemical
includes
processes
combustion,
gasification,
pyrolysis,
which
utilize
heat
transform
biomass.
Biochemical
involves
biological
anaerobic
digestion
fermentation
produce
energy
chemicals.
Physicochemical
conversion,
transesterification,
chemically
alters
create
bio-based
products.
The
meticulously
principles,
mechanisms,
applications
each
technology,
highlighting
their
role
in
creating
sustainable,
renewable
solutions
contributing
waste
management
environmental
protection.
Academia green energy.,
Journal Year:
2025,
Volume and Issue:
2(1)
Published: Feb. 25, 2025
Biomass
energy
has
emerged
as
a
vital
renewable
source
in
the
global
transition
towards
sustainable
development,
aligning
with
United
Nations
development
goals
(SDGs),
particularly
SDG
7
(affordable
and
clean
energy)
13
(climate
action).
This
study
evaluates
biomass
energy’s
contributions
by
integrating
real
SI-unit-based
data
on
usage
China,
India,
Denmark,
Germany,
Brazil,
Namibia,
Ghana.
An
interpretative
review
was
employed,
incorporating
primarily
qualitative
analysis
supplemented
quantitative
of
deployment,
cost
assessments,
policy
evaluations.
The
findings
reveal
that
contributes
8%
to
China’s
mix
(500
TWh),
12%
India
(370
20%
Denmark
(43
27%
Brazil
(160
yet
its
expansion
faces
economic,
technological,
challenges.
integrates
cutting-edge
catalysts
(e.g.,
ZnO,
TiO2,
Ni)
nanotechnology
applications
nanocatalysts,
nanomembranes)
enhance
efficiency.
A
comparative
technical
combustion,
anaerobic
digestion,
pyrolysis,
gasification
highlights
most
efficient
process
(70–85%),
lowest
carbon
emissions
(30–50
kg
CO2/GJ)
but
requiring
higher
capital
investment
(USD
0.07–0.14/kWh).
concludes
recommendations,
emphasizing
targeted
subsidies,
international
collaboration,
infrastructure
investments
improve
adoption
globally.
