Hydroxyl-Incorporated Microporous Polymer Comprising 3D Triptycene for Selective Capture of CO2 over N2 and CH4
ACS Omega,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 15, 2025
The
rising
CO2
concentration
in
the
atmosphere
contributes
significantly
to
global
warming,
necessitating
effective
carbon
capture
techniques.
Amine-based
solvents
are
widely
employed
for
chemisorption
of
CO2,
although
they
have
drawbacks,
such
as
degradation,
corrosion,
and
high
regeneration
energy
requirements.
Physical
adsorption
utilizing
microporous
adsorbents
is
a
viable
alternative
that
offers
excellent
efficiency
selectivity
capture.
This
work
presents
facile
one-pot
synthesis
3D-triptycene-containing
hyper-cross-linked
polymer
(TBPP-OH)
possessing
hydroxyl
groups.
presence
triptycene
units
TBPP-OH
polymeric
structure
gives
several
desirable
features,
inherent
microporosity,
larger
surface
area,
improved
thermal
stability.
showed
considerable
microporosity
(%Vmic
=
70%),
BET-specific
area
(SABET)
838
m2
g–1,
good
stability
(Td
372
°C
char
yield
>
60%)
which
makes
it
promising
adsorbent
A
strong
affinity
was
shown
by
with
Qst
32.9
kJ/mol
demonstrating
superior
capacity
2.77
mmol/g
at
273
K
1
bar
pressure
where
volume
micropore
plays
significant
role.
values
over
N2
CH4
were
also
estimated
be
reasonably
indicating
potential
separation
different
applications.
mechanism
investigated
using
Langmuir
dual-site
models.
Язык: Английский
Facile synthesis of inherently nitrogen-doped PAN-derived microporous carbons activated with NaNH2 for selective CO2 adsorption and separation
Chemical Engineering Journal,
Год журнала:
2024,
Номер
497, С. 154704 - 154704
Опубликована: Авг. 14, 2024
Язык: Английский
Mitigating CO2 Emissions: A Review on Emerging Technologies/Strategies for CO2 Capture
Journal of the Energy Institute,
Год журнала:
2024,
Номер
unknown, С. 101911 - 101911
Опубликована: Ноя. 1, 2024
Язык: Английский
Preparation of N, S co-doped carbon nanotubes composites by coal pyrolysis for the CO2 capture
Ying Wang,
Chuanfang Zhang,
Mengfei Tang
и другие.
Journal of environmental chemical engineering,
Год журнала:
2024,
Номер
unknown, С. 114452 - 114452
Опубликована: Окт. 1, 2024
Язык: Английский
Recent advances of hyper-crosslinked porous polymers in environment related fields: synthesis, functionalization, and applications
Environmental Technology Reviews,
Год журнала:
2025,
Номер
14(1), С. 427 - 457
Опубликована: Апрель 5, 2025
Язык: Английский
Sulfur- and Nitrogen-Incorporated Phenothiazine-Based Porous Organic Polymer: Selective and Efficient CO2 Capture and Evaluation for Vacuum Swing Adsorption
ACS Applied Polymer Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 7, 2025
Язык: Английский
Triptycene based microporous hypercrosslinked polymer with amino functionality for selective CO2 capture
Journal of Applied Polymer Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 9, 2024
Abstract
The
increasing
CO
2
concentration
in
the
atmosphere
contributes
significantly
to
global
warming,
necessitating
effective
capture
techniques.
Though
amine‐based
solvents
are
commonly
used,
they
have
drawbacks
like
high
energy
consumption
and
corrosion.
Physical
adsorption
using
microporous
sorbents
with
polar
groups
emerges
as
a
promising
alternative,
offering
efficiency
selectivity
for
capture.
This
work
presents
design
of
new
hypercrosslinked
polymer
amino
derived
from
3D
molecular
building
block
triptycene
(TBMP‐NH
),
applications.
unit
backbone
provides
surface
area,
thermal
stability,
microporosity.
TBMP‐NH
demonstrates
excellent
stability
(
T
d
>
350°C),
considerable
microporosity,
BET‐specific
area
866
m
/g,
making
it
adsorbent.
It
exhibits
capacity
1.86
mmol/g
at
273
K
1.23
298
K,
Q
st
value
33.95
kJ/mol,
indicating
physisorption
mechanism
where
micropore
volume
V
mic
=
0.359
cm
3
/g)
plays
crucial
role.
displays
good
/N
/CH
4
selectivity,
outperforming
several
reported
porous
polymers.
Owing
its
physiochemical
properties,
efficient
selective
ability,
can
be
considered
material
environmental
remediation
application.
Язык: Английский