The
development
of
novel
materials
has
given
rise
to
the
study
and
design
poly(ionic
liquid)s
(PILs)
for
making
CO2-selective
membranes.
huge
space
chemical
structures
PILs
leaves
great
opportunities
further
investigate
factors
underlying
gas
permeability
selectivity.
Herein,
effect
PIL-based
copolymer
on
their
derived
membrane
performances
CO2/N2
separation
was
evaluated
by
copolymerizing
imidazolium-based
IL
monomers
with
different
functionalized
acrylamide
butyl
acrylate
based
free
radical
polymerization.
desired
copolymers
were
successfully
synthesized
confirmation
from
nuclear
magnetic
resonance
Fourier
transform
infrared
spectroscopy
analysis.
composite
membranes
fabricated
coating
solutions
surface
a
commercial
polysulfone
membrane.
It
found
that
CO2
permeance
prepared
enhanced
148%
262%
selectivity
increased
97%
61%
compared
pure
Therefore,
proposed
method
copolymerization
can
enhance
performance
separation,
which
provide
solution
adjust
preparation
potential
capture
flue
gases.
Membranes,
Год журнала:
2023,
Номер
13(12), С. 898 - 898
Опубликована: Дек. 2, 2023
Carbon
dioxide
(CO2),
which
results
from
fossil
fuel
combustion
and
industrial
processes,
accounts
for
a
substantial
part
of
the
total
anthropogenic
greenhouse
gases
(GHGs).
As
result,
several
carbon
capture,
utilization
storage
(CCUS)
technologies
have
been
developed
during
last
decade.
Chemical
absorption,
adsorption,
cryogenic
separation
membrane
are
most
widely
used
post-combustion
CO2
capture
technologies.
This
study
reviews
latest
progress
in
processes
separation.
More
specifically,
objective
present
work
is
to
state
art
membrane-based
flue
focuses
mainly
on
recent
advancements
commonly
employed
materials.
These
materials
utilized
fabrication
application
novel
composite
membranes
or
mixed-matrix
(MMMs),
improved
intrinsic
surface
characteristics
and,
thus,
can
achieve
high
selectivity
permeability.
Recent
described
regarding
metal–organic
frameworks
(MOFs),
molecular
sieves
(CMSs),
nanocomposite
membranes,
ionic
liquid
(IL)-based
facilitated
transport
(FTMs),
comprise
MMMs.
The
significant
challenges
future
prospects
implementing
also
presented.
Carbon Capture Science & Technology,
Год журнала:
2023,
Номер
10, С. 100160 - 100160
Опубликована: Ноя. 10, 2023
Membrane
technology
scientists
proposed
hollow
fiber
membrane
contactors
(HFMCs)
as
an
alternative
to
conventional
CO2
absorption-desorption
columns
due
their
promising
advantages
and
outstanding
performance
for
capture.
However,
the
HFMC
systems
suffer
from
wetting
phenomena;
hence,
studies
focus
on
optimizing
material,
liquid
absorber,
operating
conditions.
As
have
addressed
phenomenon
with
these
solutions,
new
issues
emerged.
In
addition,
feedback
loop
between
lab
industrial
scale
has
been
ignored.
this
review,
characteristics
of
different
based
types,
including
porous,
dense,
composite
(e.g.,
thin-film
mixed
matrix)
membranes,
are
compared
clarify
disadvantages.
Also,
scale-up
economic
conditions
were
discussed
in
terms
HFMC's
feasibility
highlight
importance
industry
loop.
Furthermore,
future
direction
is
stated
accelerate
HFMCs'
development
provide
a
clear
strategy
achieving
practical
theatrical
absorption
through
HFMCs.
Carbon Capture Science & Technology,
Год журнала:
2023,
Номер
10, С. 100150 - 100150
Опубликована: Окт. 12, 2023
Thin-film
composite
(TFC)
membranes
with
superior
separation
properties
for
H2/CO2,
CO2/N2,
and
CO2/CH4
are
of
great
interest
CO2
capture.
As
the
selective
layer
becomes
thinner
(∼100
nm
or
less)
to
enhance
gas
permeance,
it
can
be
surface-engineered
significantly
improve
properties.
This
paper
aims
critically
review
scalable
nanotechnologies
adopted
modify
membrane
surfaces
capture
performance,
including
atomic
deposition,
chemical
vapor
plasma
treatment,
direct
fluorination,
ion/electron
beam
ozone
surface-initiated
polymerization.
We
first
describe
mechanisms
these
achieve
desired
surface
chemistries
nanostructures.
Second,
examples
surface-modified
enhanced
performance
highlighted,
they
compared
state-of-the-art
showcase
their
potential
separations.
Finally,
we
summarize
pros
cons
technologies
transform
technology
practical
applications.
Polymers,
Год журнала:
2024,
Номер
16(18), С. 2604 - 2604
Опубликована: Сен. 14, 2024
The
use
of
deep
eutectic
solvents
(DESs)
for
the
preparation
polymer
membranes
environmental
separation
technologies
is
comprehensively
reviewed.
DESs
have
been
divided
into
five
categories
based
on
hydrogen
bond
donor
(HBD)
and
acceptor
(HBA)
that
are
involved
in
production
DESs,
a
wide
range
DESs’
physicochemical
characteristics,
such
as
density,
surface
tension,
viscosity,
melting
temperature,
initially
gathered.
Furthermore,
most
popular
techniques
creating
demonstrated
discussed,
with
focus
non-solvent
induced
phase
(NIPS)
method.
Additionally,
number
studies
reported
which
were
employed
pore
formers,
solvents,
additives,
or
co-solvents,
among
other
applications.
addition
to
manufacturing
process
increased
presence
finger-like
structures
macrovoids
cross-section
and,
numerous
occasions,
had
substantial
impact
overall
porosity
size.
Performance
data
also
gathered
made
various
technologies,
ultrafiltration
(UF)
nanofiltration
(NF).
Lastly,
provide
options
functionalization
membranes,
creation
liquid
membrane
types,
special
supported
(SLMs)
decarbonization
discussed
terms
permeability
selectivity
several
gases,
including
CO2,
N2,
CH4.
Carbon Capture Science & Technology,
Год журнала:
2023,
Номер
10, С. 100152 - 100152
Опубликована: Окт. 21, 2023
Membrane-based
separation
technology
exhibits
significant
potential
in
the
fields
of
CO2
capture
and
gas
purification.
Mixed-matrix
membranes
(MMMs)
integrate
easy
processing
polymeric
materials
with
excellent
transport
properties
fillers,
thereby
have
become
a
focus
for
next-generation
membranes.
Herein,
we
demonstrated
novel
mixed-matrix
membrane
comprising
porous
organic
molecular
cages
(POCs)
amine-rich
polyvinylamine
(PVAm)
polymer
matrix
efficient
separation.
Micro-sized
CC3
crystals
featuring
pore
size
∼4.9
Å,
high
micropore
volume
0.16
cm3
g−1
specific
surface
area
326
m2
were
synthesized
immobilized
onto
PVAm
thin
selective
layer
to
generate
rapid
CO2-transport
channels.
The
resulting
CC3/PVAm/mPSf
MMM
displayed
binary
mixture
(CO2/N2
15/85
vol%)
performance,
permeance
1546
GPU,
appreciable
CO2/N2
selectivity
33
at
1.5
bar,
which
was
superior
most
reported
POCs-based
film
composite
membranes,
accompanied
long-term
operational
stability.
CO2-selective
facilitated
by
incorporation
POCs
provided
new
inspiration
development
MMMs
capture.
Carbon Capture Science & Technology,
Год журнала:
2024,
Номер
12, С. 100228 - 100228
Опубликована: Май 29, 2024
Industrial
sectors,
pivotal
for
the
economic
prosperity
of
nations,
rely
heavily
on
affordable,
reliable,
and
environmentally
friendly
energy
sources.
Industries
like
iron
steel,
oil
refineries,
coal-fired
power
plants,
while
instrumental
to
national
economies,
are
also
most
significant
contributors
waste
gases
that
contain
substantial
volumes
carbon
monoxide
(CO).
CO
can
be
converted
a
highly
efficient
free
fuel,
hydrogen
(H2)
through
well-known
water
gas
shift
reaction.
However,
untapped
potential
H2
from
industrial
streams
is
yet
explored.
This
first
article
investigates
production
gases.
The
available
resource
(i.e.,
CO)
its
estimated.
provides
insights
into
principal
challenges
avenues
long-term
adoption.
results
showed
249.14
MTPY
produce
17.44
annually.
suggests
revolutionize
management
contribute
significantly
towards
Sustainable
Development
Goals
7,
9,
13ensuring
access
sustainable,
modern
all
taking
decisive
climate
action,
respectively.
