A review of salt mechanical behavior, stability and site selection of underground hydrogen storage in salt cavern-Moroccan case
Journal of Energy Storage,
Год журнала:
2025,
Номер
114, С. 115813 - 115813
Опубликована: Фев. 15, 2025
Язык: Английский
Optimization of the Design of Underground Hydrogen Storage in Salt Caverns in Southern Ontario, Canada
Mining,
Год журнала:
2025,
Номер
5(1), С. 9 - 9
Опубликована: Янв. 22, 2025
With
the
issue
of
energy
shortages
becoming
increasingly
serious,
need
to
shift
sustainable
and
clean
sources
has
become
urgent.
However,
due
intermittent
nature
most
renewable
sources,
developing
underground
hydrogen
storage
(UHS)
systems
as
backup
solutions
offers
a
promising
solution.
The
thick
regionally
extensive
salt
deposits
in
Unit
B
Southern
Ontario,
Canada,
have
demonstrated
significant
potential
for
supporting
such
systems.
Based
on
stratigraphy
statistics
unit
B,
this
study
investigates
feasibility
stability
caverns,
focusing
effects
cavern
shape,
geometric
parameters,
operating
pressures.
Three
shapes—cylindrical,
cone-shaped,
ellipsoid-shaped—were
analyzed
using
numerical
simulations.
Results
indicate
that
cylindrical
caverns
with
diameter-to-height
ratio
1.5
provide
best
balance
between
capacity
structural
stability,
while
ellipsoid-shaped
offer
reduced
stress
concentration
but
less
space,
posing
practical
challenges
during
leaching.
results
also
optimal
pressure
range
maintaining
minimizing
leakage
lies
0.4
0.7
times
vertical
situ
stress.
Higher
pressures
increase
lead
greater
stress,
displacements,
risks,
lower
leads
internal
extrusion
tendency
walls.
Additionally,
rate
drops
maximum
working
pressure,
yet
total
mass
keeps
growing
trend.
Язык: Английский
Compressed Air Energy Storage in Salt Caverns Optimization in Southern Ontario, Canada
Energies,
Год журнала:
2025,
Номер
18(9), С. 2258 - 2258
Опубликована: Апрель 29, 2025
Energy
storage
systems
are
gaining
increasing
attention
as
a
solution
to
the
inherent
intermittency
of
renewable
energy
sources
such
solar
and
wind
power.
Among
large-scale
technologies,
compressed
air
(CAES)
stands
out
for
its
natural
sealing
properties
cost-efficiency.
Having
abundant
salt
resources,
thick
regionally
extensive
deposits
in
Unit
B
Southern
Ontario,
Canada,
demonstrate
significant
potential
CAES
development.
In
this
study,
optimization
essential
cavern
parameters
conducted
using
geological
data
from
deposit.
Cylinder-shaped
ellipsoid-shaped
caverns
with
varying
diameters
first
simulated
determine
optimal
geometry.
To
optimize
best
operating
pressure
range,
stationary
simulations
conducted,
followed
by
tightness
evaluation
long-term
stability
simulation
that
assess
plastic
creep
deformation.
The
results
indicate
cylinder-shaped
diameter
1.5
times
height
provides
balance
between
capacity
structural
stability.
While
ellipsoid
shape
reduces
stress
concentration
significantly,
it
also
leads
increased
deformation
shale
interlayers,
making
them
more
susceptible
failure.
Additionally,
findings
suggest
lies
0.4
0.7
vertical
stress,
maintaining
large
minor
gas
leakage,
developing
least
Язык: Английский