Energy Reviews,
Journal Year:
2024,
Volume and Issue:
3(4), P. 100090 - 100090
Published: May 10, 2024
Hydrogen,
primarily
produced
from
steam
methane
reforming,
plays
a
crucial
role
in
oil
refining,
and
provides
solution
for
the
gas
industry's
long-term
energy
transition
by
reducing
CO2
emissions.
This
paper
examines
hydrogen's
this
transition.
Firstly,
experiences
exploration,
including
in-situ
gasification,
can
be
leveraged
hydrogen
production
subsurface
natural
reservoirs.
The
serve
as
fuel
generating
heat
thermal
recovery.
Secondly,
blended
into
pipeline
transportation
used
an
alternative
hauling
trucks.
Additionally,
stored
underground
depleted
fields.
Lastly,
oilfield
water
utilized
using
geothermal
Scaling
up
faces
challenges,
such
shared
use
of
infrastructures,
increased
carbon
tax
promoting
blue
hydrogen,
introduction
financial
incentives
consumption,
leakage
prevention
detection.
International Journal of Hydrogen Energy,
Journal Year:
2023,
Volume and Issue:
52, P. 973 - 1004
Published: Aug. 8, 2023
Hydrogen
is
considered
as
a
promising
fuel
in
the
21st
century
due
to
zero
tailpipe
CO2
emissions
from
hydrogen-powered
vehicles.
The
use
of
hydrogen
vehicles
can
play
an
important
role
decarbonising
transport
sector
and
achieving
net-zero
targets.
However,
there
exist
several
issues
related
production,
efficient
storage
system
refuelling
infrastructure,
where
current
research
focussing
on.
This
study
critically
reviews
analyses
recent
technological
advancements
distribution
technologies
along
with
their
cost
associated
greenhouse
gas
emissions.
paper
also
comprehensively
discusses
methods,
identifies
fast
explores
control
strategies.
Additionally,
it
explains
various
standard
protocols
relation
safe
refuelling,
economic
aspects
presents
infrastructure.
suggests
that
production
significantly
varies
one
technology
others.
fossil
sources
using
most
established
were
estimated
at
about
$0.8–$3.5/kg
H2,
depending
on
country
production.
underground
exhibited
lowest
cost,
followed
by
compressed
liquid
storage.
levelised
station
was
reported
be
$1.5–$8/kg
station's
capacity
country.
Using
portable
stations
identified
option
many
countries
for
small
fleet
size
low-to-medium
duty
Following
progresses,
this
end
knowledge
gaps
thereby
future
directions.
Environmental Chemistry Letters,
Journal Year:
2023,
Volume and Issue:
21(3), P. 1419 - 1476
Published: Feb. 24, 2023
Abstract
Climate
change
issues
are
calling
for
advanced
methods
to
produce
materials
and
fuels
in
a
carbon–neutral
circular
way.
For
instance,
biomass
pyrolysis
has
been
intensely
investigated
during
the
last
years.
Here
we
review
of
algal
lignocellulosic
with
focus
on
products
mechanisms,
oil
upgrading,
combining
anaerobic
digestion,
economy,
life
cycle
assessment.
Products
include
oil,
gas,
biochar.
Upgrading
techniques
comprise
hot
vapor
filtration,
solvent
addition,
emulsification,
esterification
transesterification,
hydrotreatment,
steam
reforming,
use
supercritical
fluids.
We
examined
economic
viability
terms
profitability,
internal
rate
return,
return
investment,
carbon
removal
service,
product
pricing,
net
present
value.
also
reviewed
20
recent
studies
found
that
method
highly
influenced
yield,
ranging
from
9.07
40.59%
10.1
41.25%
biochar,
11.93
28.16%
syngas.
Feedstock
type,
pyrolytic
temperature,
heating
rate,
reaction
retention
time
were
main
factors
controlling
distribution
products.
Pyrolysis
mechanisms
bond
breaking,
cracking,
polymerization
re-polymerization,
fragmentation.
Biochar
residual
forestry
could
sequester
2.74
tons
dioxide
equivalent
per
ton
biochar
when
applied
soil
thus
potential
remove
0.2–2.75
gigatons
atmospheric
annually.
The
generation
bio-oil
process
is
estimated
be
economically
feasible.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(15), P. 11501 - 11501
Published: July 25, 2023
This
paper
provides
an
in-depth
review
of
the
current
state
and
future
potential
hydrogen
fuel
cell
vehicles
(HFCVs).
The
urgency
for
more
eco-friendly
efficient
alternatives
to
fossil-fuel-powered
underlines
necessity
HFCVs,
which
utilize
gas
power
onboard
electric
motor,
producing
only
water
vapor
heat.
Despite
their
impressive
energy
efficiency
ratio
(EER),
higher
power-to-weight
ratio,
substantial
emissions
reduction
potential,
widespread
implementation
HFCVs
is
presently
hindered
by
several
technical
infrastructural
challenges.
These
include
high
manufacturing
costs,
relatively
low
density
hydrogen,
safety
concerns,
durability
issues,
insufficient
refueling
infrastructure,
complexities
storage
transportation.
Nevertheless,
technological
advancements
policy
interventions
offer
promising
prospects
suggesting
they
could
become
a
vital
component
sustainable
transportation
in
future.