CO2 Adsorption Equilibria on 5A and 13X Molecular Sieves at Elevated Carrier Gas Pressures

1998 ◽  
Author(s):  
David T. Croft ◽  
Scott M. Maurer ◽  
David K. Friday
Keyword(s):  
Molecular Sieves ◽  
Co2 Adsorption ◽  
Carrier Gas ◽  
Adsorption Equilibria ◽  
Gas Pressures

CO2 adsorption equilibria of the honeycomb zeolite beds

2001 ◽  
Vol 69 (4) ◽  
pp. 285-292 ◽  
Author(s):  
K. Kamiuto ◽  
Ermalina ◽  
K. Ihara
Keyword(s):  
Co2 Adsorption ◽  
Adsorption Equilibria

scholarly journals Molecular sieve supported ionic liquids as efficient adsorbent for CO2 capture

2015 ◽  
Vol 80 (2) ◽  
pp. 265-275 ◽  
Author(s):  
Na Yang ◽  
Rui Wang
Keyword(s):  
Ionic Liquids ◽  
Adsorption Capacity ◽  
Molecular Sieves ◽  
Co2 Adsorption ◽  
Ft Ir ◽  
Loading Amount ◽  
Vacuum Heating ◽  
Co2 Adsorption Capacity ◽  
Supported Ionic Liquids

[NH3e-mim][BF4], [OHe-mim][BF4] and [HOEAm] were selected and supported onto molecular sieves NaY, USY, SAPO-34 and MCM-41, to prepare supported ionic liquids. It was found that [NH3e-mim][BF4]/NaY has excellent CO2 adsorption performance, with adsorption capacity of 0.108 mmolCO2/g. This paper investigates the optimal adsorption conditions and recyclability of [NH3e-mim][BF4]/NaY. The results show that [NH3e-mim][BF4]/NaY has good CO2 adsorption under the condition of 20?C and 20% ILs loading amount. By vacuum heating, CO2 adsorption capacity reaches 0.451mmolCO2/g at fifth runs and reduces to 0.29mmolCO2/g at tenth runs. The structure and characterization of the [NH3e-mim][BF4]/NaY was examined by FT-IR, XRD, SEM and TG-DSC. TG-DSC also shows that it has good thermostability below 50?C.

High-Surface-Area Carbon Molecular Sieves for Selective CO2 Adsorption

ChemSusChem ◽  
2010 ◽  
Vol 3 (8) ◽  
pp. 974-981 ◽  
Author(s):  
Anass Wahby ◽  
José M. Ramos-Fernández ◽  
Manuel Martínez-Escandell ◽  
Antonio Sepúlveda-Escribano ◽  
Joaquín Silvestre-Albero ◽  
...  
Keyword(s):  
Surface Area ◽  
Molecular Sieves ◽  
Co2 Adsorption ◽  
High Surface ◽  
High Surface Area ◽  
Carbon Molecular Sieves

Adsorption equilibria for oxygen and nitrogen gas mixtures on 5a molecular sieves

1983 ◽  
Vol 38 (9) ◽  
pp. 1517-1523 ◽  
Author(s):  
G.A. Sorial ◽  
W.H. Granville ◽  
W.O. Daly
Keyword(s):  
Molecular Sieves ◽  
Gas Mixtures ◽  
Nitrogen Gas ◽  
Adsorption Equilibria

Ultrahigh CO2 adsorption capacity on carbon molecular sieves at room temperature

2011 ◽  
Vol 47 (24) ◽  
pp. 6840 ◽  
Author(s):  
Joaquín Silvestre-Albero ◽  
Anass Wahby ◽  
Antonio Sepúlveda-Escribano ◽  
Manuel Martínez-Escandell ◽  
Katsumi Kaneko ◽  
...  
Keyword(s):  
Adsorption Capacity ◽  
Molecular Sieves ◽  
Room Temperature ◽  
Co2 Adsorption ◽  
Carbon Molecular Sieves ◽  
Co2 Adsorption Capacity

scholarly journals Optimized Preparation of Nanosized Hollow SSZ-13 Molecular Sieves with Ultrasonic Assistance

Nanomaterials ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 2298
Author(s):  
Liang Zhou ◽  
Runlin Han ◽  
Yuxuan Tao ◽  
Jinqu Wang ◽  
Yiwei Luo
Keyword(s):  
Adsorption Capacity ◽  
Molecular Sieves ◽  
Molecular Sieve ◽  
Co2 Adsorption ◽  
Hollow Structure ◽  
Preparation Time ◽  
Cubic Crystal ◽  
Adsorption Performance ◽  
Ultrasonic Time ◽  
Co2 Adsorption Capacity

Because of its unique eight-membered ring pore structure and the arrangement of cations in its structure, the SSZ-13 molecular sieve has a higher affinity for CO2 than other gases, meaning it has attracted more attention than other porous materials for CO2 adsorption. However, the expensive template and long preparation time limits the industrial production of SSZ-13. In this work, a hollow structure was successfully introduced into the nanosized SSZ-13 molecular sieve with ultrasonic treatment. The effects of the amount of seed added and the ultrasonic time on the structure were investigated. When the amount of seed added was 0.5 wt.% and the ultrasonic time was 60 min, the sample showed a hollow cubic crystal with a diameter of about 50 nm. The specific surface area reached 791.50 m2/g, and the mesoporous ratio was 66.3%. The samples were tested for CO2 adsorption performance at 298 K. It was found that the hollow sample prepared in this work has higher CO2 adsorption capacity compared with the SSZ-13 zeolite prepared with conventional methods. When the adsorption pressure was 0.27 bar, the adsorption amount reached 2.53 mmol/g. The hollow SSZ-13 molecular sieve reached a CO2 adsorption capacity of 4.24 mmol/g at 1 bar.

Sign in / Sign up

Export Citation Format

Share Document