Molecular simulation of hydrogen adsorption in subsurface systems with implications for underground storage
International Journal of Hydrogen Energy,
Journal Year:
2025,
Volume and Issue:
114, P. 71 - 80
Published: March 1, 2025
Language: Английский
Rock Wettability and Its Implication for Caprock Integrity in CO2–Brine Systems: A Comprehensive Review
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(21), P. 19966 - 19991
Published: Oct. 24, 2024
Carbon
geo-sequestration
(CGS)
is
considered
a
mitigation
technology
for
removing
harmful
CO2
accumulations
from
the
environment
contributing
toward
low-carbon
future.
One
of
key
concerns
with
CGS
in
deep
geological
formations
to
prevent
leakage
requiring
long-term
integrity
caprock
(seal
rock),
which
affected
by
its
wettability.
This
state-of-the-art
review
explores
parameters
that
affect
seal
rock
wettability
shale–CO2–brine
systems,
such
as
pressure,
temperature,
brine
salinity,
and
CO2-aging
time.
The
sealing
efficiency
may
also
be
presence
common
shale
minerals
(i.e.,
mica,
illite,
kaolinite,
montmorillonite),
adversely
indicates
increased
pressure
generally
enhances
CO2-wetness
increases
contact
angle)
across
different
minerals,
showing
most
pronounced
shifts.
On
other
hand,
an
increase
temperature
tends
reduce
decreases
angle,
making
it
more
water-wet),
particularly
shale.
However,
effect
higher
salinity
on
had
no
clear
trend,
either
increasing,
decreasing,
or
having
effect,
depending
upon
mineral
composition.
exposure
(aging)
CO2-rich
changed
water-wet
CO2-wet,
would
capacity.
Additionally,
this
critically
analyzes
published
literature,
highlighting
discrepancies
pointing
out
areas
where
further
research
needed.
Moreover,
use
nanoparticles
surfactants
alone
mixture
was
shown
capacity
due
alteration
state.
these
ancillary
materials
synergistic
enhancing
integrity.
highlights
significance
structural
trapping
and,
thus,
containment
security.
Language: Английский
Hydrogen sorption capacity and mechanism in coals: Implications for natural hydrogen exploration
International Journal of Hydrogen Energy,
Journal Year:
2025,
Volume and Issue:
112, P. 511 - 530
Published: March 1, 2025
Language: Английский
Impacts of Residual Water and Salinity on Hydrogen Adsorption and its Distribution in Geological Minerals: Insights into Hydrogen Geostorage and Natural Production
Energy & Fuels,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 8, 2025
Language: Английский
Adsorption-Induced Deformation in Microporous Kerogen by Hydrogen and Methane: Implications for Underground Hydrogen Storage
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 2, 2025
Accurately
assessing
the
adsorption
and
diffusion
behaviors
of
H2,
CH4,
their
mixtures
are
essential
for
estimating
underground
hydrogen
storage
(UHS).
This
understanding
is
critical
safe
efficient
H2
in
depleted
shale
gas
reservoirs.
Although
kerogen
has
been
extensively
studied,
adsorption-induced
swelling
remains
unexplored
UHS.
In
this
study,
we
investigate
mechanisms
using
Lagrangian
Eulerian
approaches
analyze
through
molecular
simulations.
Our
results
reveal
that
presence
cushion
gases
like
which
exhibit
stronger
than
neglecting
deformation
can
lead
to
an
underestimation
capacity
by
approximately
40%.
Furthermore,
increasing
pressure
makes
behavior
deviate
from
consistent
trend
observed
with
either
or
contracting
depending
on
pore
size.
Simulations
also
predict
self-diffusion
coefficient
porous
1
order
magnitude
higher
CH4.
These
findings
highlight
importance
incorporating
flexibility
into
modeling
UHS
involving
multiple
species
improve
accuracy
safety
operations
Language: Английский
Underground hydrogen storage in depleted gas fields: Progress, challenges, and outlook
Journal of Energy Storage,
Journal Year:
2024,
Volume and Issue:
102, P. 113842 - 113842
Published: Oct. 17, 2024
Language: Английский
Molecular insights into hydrogen intercalation with carbon dioxide and methane in hydrated clay: Implications for hydrogen geo-storage seal integrity
International Journal of Hydrogen Energy,
Journal Year:
2024,
Volume and Issue:
110, P. 386 - 400
Published: March 1, 2024
Language: Английский
A Technique for Detecting Hydrogen and Methane Using Refractive Index Sensitivity
Simin Wang,
No information about this author
Huaiying Jiang,
No information about this author
Bin Wang
No information about this author
et al.
Process Safety and Environmental Protection,
Journal Year:
2024,
Volume and Issue:
188, P. 781 - 792
Published: May 31, 2024
Language: Английский
Resin screening and process optimization for erythritol mother liquor chromatographic separation
Haiyang Li,
No information about this author
Xiangying Zhao,
No information about this author
Liping Liu
No information about this author
et al.
Preparative Biochemistry & Biotechnology,
Journal Year:
2024,
Volume and Issue:
54(10), P. 1294 - 1305
Published: May 14, 2024
In
order
to
improve
the
utilization
value
of
erythritol
mother
liquor,
separation
and
purification
liquor
was
selected
in
this
study.
The
chromatographic
programme
for
crystallizing
is
as
follows:
Firstly,
resolved
from
mannitol
arabitol
with
DTF-01Ca
(Suqing
Group)
resin
then
99Ca/320
(Dowex)
resin.
At
same
time,
conditions
resins
were
optimized,
resulting
an
optimal
temperature
mobile
phase
flow
rate
70
°C,
10
ml/min.
On
basis,
a
single-column
model
used
calculate
TD
parameter
(N)
mass
transfer
coefficient
(km
)
by
resins.
adsorption
isotherms,
provides
data
references
design
operation
simulated
moving
beds
(SMB)
system
industrial-scale
liquor.
Language: Английский