Robust and comprehensive predictive models for methane hydrate formation condition in the presence of brines using black-box and white-box intelligent techniques
Marzieh Rashnavadi Nezhad,
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M.A. Moradkhani,
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Behrouz Bayati
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et al.
International Journal of Hydrogen Energy,
Journal Year:
2024,
Volume and Issue:
77, P. 612 - 624
Published: June 19, 2024
Language: Английский
Probing the pathway of H2-THF and H2-DIOX sII hydrates formation: Implication on hydrate-based H2 storage
Jibao Zhang,
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Yan Li,
No information about this author
Yizhi Rao
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et al.
Applied Energy,
Journal Year:
2024,
Volume and Issue:
376, P. 124289 - 124289
Published: Aug. 29, 2024
Language: Английский
Structure-H Type Hydrates Containing Cyclooctane-Based Epoxy (Oxirane) Compounds
Korean Journal of Chemical Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
Abstract
Recently,
various
epoxy
(oxirane)
compounds
have
been
identified
as
novel
methane
hydrate
formers,
and
their
hydrates’
structural
thermodynamic
properties
studied.
However,
most
reported,
thus
far,
are
relatively
small
molecules
that
form
structure-II
(sII)
hydrates.
This
study
demonstrates
two
compounds,
1,2-epoxycyclooctane
1,2,5,6-diepoxycyclooctane,
which
cyclooctane
backbones
with
one
groups,
respectively,
can
structure-H
(sH)
hydrates
CH
4
help
gas
serve
promoters
of
Crystallographic,
spectroscopic,
phase
equilibrium
analyses
indicate
the
group
LGM
has
minimal
effect
on
composition
(i.e.,
storage)
but
significantly
influences
conditions.
The
moderate
hydrophilicity
induced
by
enhances
stability
These
findings
suggest
potential
in
hydrate-based
technologies.
Language: Английский
A Comprehensive Review on the Rapid Hydrate Formation for CO2 Capture: Characteristics, Mechanism, and Applications
Xuemin Zhang,
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Wenqiang Cui,
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Jiale Chen
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et al.
Greenhouse Gases Science and Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 21, 2025
ABSTRACT
CO
2
,
being
a
major
greenhouse
gas,
is
regarded
as
an
important
contributor
to
global
warming
and
environmental
problems.
capture
separation
are
efficient
approach
for
reducing
emissions
in
the
atmosphere.
A
hydrate
method
of
provides
feasible
solution
emission
reduction
However,
rapid
formation
crucial
using
technique.
As
consequence,
this
paper
comprehensively
reviewed
characteristics
kinetic
law
hydrate,
well
deeply
analyzed
influences
temperature
pressure
conditions,
gas–liquid
ratios,
additives,
hydration
reaction
system,
process,
other
factors
on
its
process.
On
basis,
quantitative
impact
regulatory
mechanisms
different
nucleation
growth
process
were
analyzed.
The
influence
laws
temperature,
pressure,
ratio
selection,
additive
concentration,
type
system
detailed.
enhancement
under
multiple
elucidated.
application
by
challenges
summarized.
In
end,
key
problems
future
directions
pointed
out.
synergistic
mechanism
through
still
need
be
further
investigated.
Developing
new
reactor
structures
optimizing
promoting
hydrate.
Language: Английский
Molecular insight into hydrogen storage in clathrate hydrates: The effect of different promoters on the spontaneous nucleation of hydrogen hydrates studied via microsecond-scale molecular dynamics simulations
Chemical Engineering Journal,
Journal Year:
2025,
Volume and Issue:
unknown, P. 162253 - 162253
Published: April 1, 2025
Language: Английский
Phase equilibria and guest gas occupancy characteristics of H2-DIOX sII hydrates based on calorimetric and Raman analysis
Jibao Zhang,
No information about this author
Yan Li,
No information about this author
Yang Li
No information about this author
et al.
Fluid Phase Equilibria,
Journal Year:
2024,
Volume and Issue:
unknown, P. 114262 - 114262
Published: Oct. 1, 2024
Language: Английский
Evaluation of the perturbed hard-sphere-chain equation of state for calculations of methane hydrate formation condition in the presence of ionic liquids
Yaling Jiang,
No information about this author
Wenyuan Li,
No information about this author
Yajun Mao
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et al.
International Journal of Hydrogen Energy,
Journal Year:
2024,
Volume and Issue:
68, P. 1331 - 1343
Published: May 1, 2024
Language: Английский
Effect of cement slurry filtrate on methane hydrate stability during deepwater cementing operations
Yuwei Zhang,
No information about this author
Huajie Liu,
No information about this author
Dong Sheng Li
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et al.
International Journal of Hydrogen Energy,
Journal Year:
2024,
Volume and Issue:
91, P. 822 - 833
Published: Oct. 18, 2024
Language: Английский
The Role of Gas Hydrates in Storing Natural Gas-Hydrogen Blends for Coupling Power-to-X and Decarbonization
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 6, 2024
Language: Английский
Influence of Piperazine on CO2 Hydrate Dissociation Equilibrium Conditions
Jing Xia,
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Zhigao Sun
No information about this author
Journal of Chemical & Engineering Data,
Journal Year:
2024,
Volume and Issue:
69(11), P. 4098 - 4103
Published: Oct. 22, 2024
Carbon
dioxide
hydrate
has
a
broad
application
such
as
the
separation
and
capture
of
carbon
cold
storage
in
hydrates.
However,
its
industrial
is
limited
by
problems
formation
conditions
lower
temperature
or
higher
pressure,
long
induction
time,
slow
growth
rate.
Thermodynamic
promoters
can
effectively
improve
conditions.
Piperazine
selected
new
promoter
to
investigate
influence
on
dissociation
equilibrium
this
paper.
Compared
with
pure
forming
structure
I
hydrate,
addition
piperazine
forms
II
significantly
move
pressures
temperatures.
The
concentration
piperazine,
better
promoting
effect.
Language: Английский