Hydrogen and biomethane pathways to achieve sustainable transportation in circular economic concept: A review
International Journal of Hydrogen Energy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Language: Английский
Oxygen traces impact on biological methanation from hydrogen and CO2
Pierre Buffière,
No information about this author
Diana Amaya Ramirez,
No information about this author
Rùben Teixeira Franco
No information about this author
et al.
Bioresource Technology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 132080 - 132080
Published: Jan. 1, 2025
Language: Английский
Harnessing the Influence of Pressure and Nutrients on Biological CO2 Methanation Using Response Surface Methodology and Artificial Neural Network—Genetic Algorithm Approaches
Fermentation,
Journal Year:
2025,
Volume and Issue:
11(1), P. 43 - 43
Published: Jan. 18, 2025
The
biological
methanation
process
has
emerged
as
a
promising
alternative
to
thermo-catalytic
methods
due
its
ability
operate
under
milder
conditions.
However,
challenges
such
low
hydrogen
solubility
and
the
need
for
precise
trace
element
supplementation
(Fe(II),
Ni(II),
Co(II))
constrain
methane
production
yield.
This
study
investigates
combined
effects
of
concentrations
applied
pressure
on
methanation,
addressing
their
synergistic
interactions.
Using
face-centered
composite
design,
batch
mode
experiments
were
conducted
optimize
production.
Response
Surface
Methodology
(RSM)
Artificial
Neural
Network
(ANN)—Genetic
Algorithm
(GA)
approaches
employed
model
process.
RSM
identified
optimal
ranges
elements
pressure,
while
ANN-GA
demonstrated
superior
predictive
accuracy,
capturing
nonlinear
relationships
with
high
R²
(>0.99)
minimal
prediction
errors.
optimization
indicated
97.9%
efficiency
reduced
conversion
time
15.9
h
conditions
1.5
bar
metal
25.0
mg/L
Fe(II),
0.20
0.02
Co(II).
Validation
confirmed
these
predictions
deviations
below
5%,
underscoring
robustness
models.
results
highlight
metals
in
enhancing
gas–liquid
mass
transfer
enzymatic
pathways,
demonstrating
potential
computational
modeling
experimental
validation
systems,
contributing
sustainable
Language: Английский
Systematic and Bibliometric Review of Biomethane Production from Biomass-Based Residues: Technologies, Economics and Environmental Impact
Gonçalo A. O. Tiago,
No information about this author
Naresh P. B. Rodrigo,
No information about this author
Gonçalo Lourinho
No information about this author
et al.
Fuels,
Journal Year:
2025,
Volume and Issue:
6(1), P. 8 - 8
Published: Jan. 23, 2025
Fossil
fuels
drive
global
warming,
necessitating
renewable
alternatives
such
as
biomethane
(or
natural
gas).
Biomethane,
primarily
produced
through
anaerobic
digestion
(AD),
offers
a
cleaner
energy
solution
but
is
limited
by
the
slow
AD
process.
Biomass
gasification
followed
syngas
methanation
has
emerged
faster
alternative.
This
review
examines
advancements
in
these
processes
over
last
decade
(2015–2024),
focusing
on
techno-economic
and
life
cycle
assessment
(LCA)
studies.
Techno-economic
analyses
reveal
that
production
costs
are
influenced
several
factors,
including
process
complexity,
feedstock
type
scale
of
production.
Smaller
units
tend
to
exhibit
higher
capital
(CAPEX)
per
MW
capacity,
while
choice
efficiency
play
significant
roles
determining
overall
costs.
LCA
studies
highlight
impacts
for
due
demands
associated
emissions.
However,
integrating
hydrogen
electrolysis,
along
with
innovations
sorption-enhanced
(SEG),
can
enhance
system
reduce
environmental
impacts.
critically
evaluates
technical
economic
challenges,
opportunities
optimizing
production,
discusses
potential
technologies
contribute
sustainable
bioenergy
solutions
transition
low-carbon
economy.
Language: Английский
Large scale power-to-X production enabling hydrogen valleys: A case study of future industrial hydrogen valley opportunity in Finland
Robert Frank Weiss,
No information about this author
Tiia Kanto,
No information about this author
Kirsikka Kiviranta
No information about this author
et al.
Applied Energy,
Journal Year:
2025,
Volume and Issue:
388, P. 125596 - 125596
Published: March 11, 2025
Language: Английский
A new framework for the technical biogas potential: Concept design, method development, and analytical application in a case study from Germany
Renewable and Sustainable Energy Reviews,
Journal Year:
2025,
Volume and Issue:
216, P. 115645 - 115645
Published: March 29, 2025
Language: Английский
Prospective Life Cycle Assessment of Biological Methanation in a Trickle-Bed Pilot Plant and a Potential Scale-Up
Energies,
Journal Year:
2024,
Volume and Issue:
17(9), P. 2206 - 2206
Published: May 3, 2024
The
fluctuating
nature
of
renewable
energies
results
in
the
need
for
sustainable
storage
technologies
to
defossilize
energy
system
without
other
negative
consequences
humans
and
environment.
In
this
study,
a
pilot-scale
trickle-bed
reactor
biological
methanation
various
scale-up
scenarios
2024
2050
were
investigated
using
life
cycle
assessment.
A
best-
worst-case
scenario
technology
development
until
was
evolved
cross-consistency
analysis
morphological
field,
based
on
which
data
ecological
models
determined.
show
that
plant
has
very
positive
effect
methanation.
best-case
scenario,
values
are
factor
23–780
lower
than
those
actual
today.
hot-spot
showed
electrolysis
operation
an
especially
large
impact
total
emissions.
final
Monte
Carlo
simulation
shows
is
likely
achieve
low
global
warming
potential
with
median
104.0
kg
CO2-eq/MWh
CH4
thus
can
contribute
decarbonization.
Language: Английский