With
the
successful
application
of
kinetic
hydrate
inhibitors
(KHIs)
on
plug
prevention,
there
is
a
growing
trend
towards
development
affordable
and
environmentally
friendly
KHIs
for
solving
challenges
high
cost
inadequate
biodegradability
from
their
commercial
KHIs.
Therefore,
further
evaluation
inhibitory
effect
developing
needed
under
multiphase
flow
conditions.
In
this
study,
high-pressure,
fully
visible
rocking
cell
were
used
to
simulate
transportation
both
considered.
The
results
revealed
that,
given
conditions
PVCap
exhibited
excellent
inhibition
performance.
Although
pectin
certain
growth
rate
formation
quantity,
but
it
demonstrated
strong
promoting
nucleation
opportunities
rates.
However,
sodium
alginate,
which
shares
similar
characteristics
with
pectin,
exerted
significantly
promotional
effects
in
terms
induction
time,
rate,
water
conversion.
Furthermore,
addition
alginate
led
balls
several
test
runs,
resulting
complete
pipeline
blockage.
Another
noteworthy
discovery
was
relationship
between
final
conversion
hydrates,
an
initial
increase
followed
by
decrease,
while
time
exhibits
inverse
trend,
as
velocity
increased.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(11), P. 9702 - 9710
Published: May 18, 2024
Underlying
the
micromechanism
of
hydrate
phase
change
is
significant
for
marine
natural
gas
resources
exploitation;
however,
current
nondestructive
microtesting
techniques
still
suffer
from
issues
multiphase
distinguish
or
continuous
monitoring.
Therefore,
in
this
study,
a
direct
real-time
visualization
method
within
2.5D
microchip
was
first
proposed
and
applied
research.
Two
different
growth
modes
methane
(CH4)
methane-tetrahydrofuran
(CH4-THF)
after
nucleation
are
found,
their
respective
control
mechanisms
elucidated:
dominant
factor
gas–water
saturation
pore.
Meanwhile,
process
flow
pore
controls
hydrate.
In
addition,
intense
propagation
film
it
demonstrated
that
rate
negatively
affected
by
liquid
saturation.
We
provide
theoretical
basis
solution
ideas
scientific
problems
safe
efficient
extraction
Minerals and Mineral Materials,
Journal Year:
2024,
Volume and Issue:
3(2)
Published: April 30, 2024
Inorganic
phase
change
cold
storage
materials
have
garnered
significant
interest
in
chain
transportation
due
to
their
high
energy
density.
Nevertheless,
practical
applications
been
hindered
by
inherent
limitations
such
as
supercooling
and
susceptibility
separation.
To
address
these
challenges,
this
study
devised
3D-Hectorite/sodium
chloride
(NaCl)
composite
utilizing
3D-Hectorite
aerogel
adsorb
NaCl
solution,
effectively
mitigating
the
issue
of
separation
common
materials.
Additionally,
various
concentrations
nucleating
agents
SrCl2·6H2O,
borax,
diatomite
were
introduced
for
step
cooling
curve
tests,
establishing
0.03%
optimal
concentration
nucleation,
reducing
solution
1.1
°C.
The
results
showed
that
latent
heat
thermal
conductivity
3D-Hectorite/NaCl
215.30
J/g
0.6315
±
0.013
W/mK,
respectively.
transition
temperature
could
be
adjusted
range
-33~0
°C
changing
meet
different
requirements.
Furthermore,
exceptional
cyclic
stability
was
observed
even
after
subjecting
material
ten
dissolution-solidification
cycles.
Analyzing
air
inside
insulation
bag
that,
compared
with
ice,
can
applied
lower
requirements,
demonstrating
good
prospects
its
application
transportation.
