Reversed CO2/C2H2 separation via combined adsorption kinetics and diffusion differences in MOF-polymer mixed matrix membrane
Journal of Membrane Science,
Год журнала:
2025,
Номер
unknown, С. 123827 - 123827
Опубликована: Фев. 1, 2025
Язык: Английский
A Chemically Robust Microporous Zn‐MOF for C2H2 Separation from CO2 and Industrially Relevant Four Component Gas Mixtures
Small,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
Abstract
The
separation
and
purification
of
acetylene
from
the
light
hydrocarbon
gas
mixtures
is
considered
as
one
most
industrially
challenging
task
for
production
fine
chemicals.
Though
metal–organic
frameworks
(MOFs)
are
promising
candidates
such
offer
a
cost
energy‐efficient
pathway,
achieving
trade‐off
between
sorption
capacity
selectivity
along
with
framework
robustness
daunting
demands
effective
design.
Herein,
new
3D
chemically
stable
MOF,
IITKGP‐24
(stable
over
wide
range
aqueous
pH
solution,
=
2–12)
developed,
displaying
excellent
13.9
C
2
H
/CO
(50:50)
even
at
ambient
conditions
maintained
selectivity.
Most
importantly,
breakthrough
performance
analysis
under
relevant
mixture
composition
revealed
that
developed
possesses
not
only
but
also
quaternary
/C
4
6
(25:25:25:25)
feed
streams.
Separation
four
component
by
MOFs
unexplored.
exceptional
robustness,
high
uptake
ratio,
low
heat
adsorption,
recyclability
easy
regenerability
made
candidate
toward
this
separation.
Язык: Английский
Enhanced adsorption of trace carbon dioxide from acetylene using Polyethyleneimine-Diethanolamine blends
Chemical Engineering Journal,
Год журнала:
2024,
Номер
493, С. 152859 - 152859
Опубликована: Июнь 6, 2024
Язык: Английский
Functional group tuning of CAU-10(Al) for efficient C2H2 storage and C2H2/CO2 separation
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(39), С. 26502 - 26512
Опубликована: Янв. 1, 2024
Comparison
of
adsorptive
separation
on
CAU-10(Al)
according
to
functional
groups,
and
the
GCMC
simulation
image
CAU-10(Al)–CH
3
.
Язык: Английский
Metal‐Organic Frameworks: A Solution for Greener Polymeric Materials with Low Fire Hazards
Advanced Sustainable Systems,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 5, 2024
Abstract
The
non‐degradability
of
polymeric
materials
and
the
flammability
their
products
have
resulted
in
significant
environmental
pollution.
Metal‐organic
frameworks
(MOFs)
serve
as
innovative
flame
retardants,
featuring
a
high
specific
surface
area,
ample
pore
volume,
customizable
structure.
By
leveraging
structural
adjustability
MOFs,
biological
modifiers
containing
retardant
elements
can
be
integrated
into
thereby
ensuring
retardation
while
imparting
biodegradable
properties.
Moreover,
issue
material
pollution
effectively
addressed
by
utilizing
MOFs
retardants
within
renewable
polymer
matrices.
Recently,
an
increasing
number
researchers
concentrated
on
developing
green
flame‐retardant
using
MOFs.
However,
far
is
known,
no
comprehensive
review
polymers
with
minimal
fire
risk
produced
currently
exists.
Consequently,
this
study
reviews
recent
advancements
development
covering
preparation
utilization
bio‐based
recyclable
Additionally,
matrix
based
also
synthesized.
Furthermore,
anticipates
discussing
benefits
drawbacks
associated
to
manufacture
products.
This
work
aims
assist
rapidly
comprehending
most
field
guiding
efficient
design.
Язык: Английский
Elucidation of the CO2 adsorption mechanism of [Zn2(mtz)2(ox)] using neutron powder diffraction
Chinese Chemical Letters,
Год журнала:
2025,
Номер
unknown, С. 110864 - 110864
Опубликована: Янв. 1, 2025
Язык: Английский
Deciphering Mechanisms of CO2-Selective Recognition over Acetylene within Porous Materials
Chem & Bio Engineering,
Год журнала:
2024,
Номер
1(5), С. 366 - 380
Опубликована: Май 13, 2024
Reverse
adsorption
of
carbon
dioxide
(CO2)
from
acetylene
(C2H2)
presents
both
significant
importance
and
formidable
challenges,
particularly
in
the
context
capture,
energy
efficiency,
environmental
sustainability.
In
this
Review,
we
delve
into
burgeoning
field
reverse
CO2/C2H2
separation,
underscoring
absence
a
cohesive
materials
design
strategy
comprehensive
understanding
CO2-selective
capture
mechanisms
C2H2,
contrast
to
quite
mature
methodologies
available
for
C2H2-selective
adsorption.
Focusing
on
porous
materials,
latest
advancements
recognition
are
highlighted.
The
review
establishes
that
efficacy
CO2
C2H2
relies
intricately
myriad
factors,
including
pore
architecture,
framework
flexibility,
functional
group
interactions,
dynamic
responsive
behaviors
under
operating
conditions.
It
is
noted
achieving
selectivity
extends
beyond
physical
sieving,
necessitating
meticulous
adjustments
chemistry
exploit
subtle
differences
between
C2H2.
This
overview
seeks
enhance
mechanisms,
integrating
essential
insights
crucial
advancement
future
materials.
also
lays
groundwork
innovative
addressing
pressing
demand
more
efficient
molecular
within
gas
separation
technologies.
Язык: Английский
Pore surface fluorination and PDMS deposition within commercially viable metal-organic framework for efficient C2H2/CO2 separation
Science China Materials,
Год журнала:
2024,
Номер
67(11), С. 3692 - 3699
Опубликована: Сен. 19, 2024
Язык: Английский
Isoreticular expansion of UiO-66 via vinyl for efficient C2H2/CO2 separation
Separation and Purification Technology,
Год журнала:
2024,
Номер
unknown, С. 131342 - 131342
Опубликована: Дек. 1, 2024
Язык: Английский
Cluster-Aggregation-Triggered Isomeric Ultra-Microporous Fe-Isonicotinate Frameworks for Efficient C2H2/CO2 Adsorption and Separation
Crystal Growth & Design,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 7, 2024
Because
of
the
similar
physical
properties
acetylene
(C2H2)
and
carbon
dioxide
(CO2),
their
efficient
separation
remains
challenging
in
industry.
In
this
work,
two
isomeric
ultra-microporous
Fe-isonicotinate
frameworks
(SNNU-131
SNNU-132)
were
prepared
by
a
cluster-aggregation
strategy,
both
show
prominent
adsorption
ability.
The
linear
trinuclear
cluster
[FeIII2FeII(μ2-O)2(COO)4]
its
dimer,
hexanuclear
[FeIII4FeII2(μ3-O)2(μ2-O)2(COO)8]
extended
isonicotinic
acid
linkers
to
generate
8-connected
supramolecular
isomers
with
typical
bcu
hex
topology,
respectively.
Thanks
existence
1D
quadrilateral
channels
crossing
size
about
7
Å
open
metal
sites
from
clusters,
SNNU-131
has
better
capacities
88.5
49.9
cm3
g–1
at
298
K
1
bar.
On
other
hand,
SNNU-132
smaller
triangular
shows
higher
C2H2/CO2
ideal
adsorbed
solution
theory
(IAST)
selectivity
values
3.54–4.44,
as
well
longer
breakthrough
interval
time
30
min
preferred
density
distributions
C2H2
CO2
molecules
these
metal–organic
(MOFs)
further
calculated
Grand
Canonical
Monte
Carlo
(GCMC)
simulations
understand
performance.
Язык: Английский