ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
8(1), P. 16 - 24
Published: Dec. 17, 2024
Hydrogen
isotope
separation
using
porous
materials
under
cryogenic
conditions
has
primarily
focused
on
the
optimization
of
pore
sizes
for
kinetic
quantum
sieving,
with
smaller
pores
(3.0–3.4
Å)
generally
being
regarded
as
optimal
high
selectivity
equilibrium
conditions.
However,
when
dynamic
flow
are
considered,
such
those
encountered
in
industrial
applications,
interaction
time
between
isotopes
and
adsorbent
material
is
significantly
reduced,
limiting
effectiveness
small
pores.
This
study
investigates
performance
zeolite
molecular
sieves
3.0,
4.0,
5.0
Å
both
While
excel
equilibrium-based
calculations,
experimental
results
from
breakthrough
analysis
at
temperatures
(77
115
K)
demonstrate
that
larger
(4.0–5.0
offer
better
efficiency
flow,
suggesting
a
reevaluation
size
hydrogen
separation.
