Effective macropore diffusivity of carbon dioxide on binderless pellets of Y-type zeolites [0.03%]
无粘结剂Y型分子筛压球的二氧化碳有效宏观孔隙扩散率
Hassan Azzan,Killian Gmyrek,David Danaci et al.
Hassan Azzan et al.
The adsorption kinetics of carbon dioxide (CO2) in three cationic forms of binderless pellets of Y-types zeolites (H-Y, Na-Y, and TMA exchanged Na-Y) are studied using the zero-length column (ZLC) technique. The measurements were carried ou...
Uncertainty analysis of adsorption measurements using commercial gravimetric sorption analyzers with simultaneous density measurement based on a magnetic-suspension balance [0.03%]
基于磁悬浮天平同时测密度的商业型水分吸附重量分析法的不确定性研究
Xiaoxian Yang,Reiner Kleinrahm,Mark O McLinden et al.
Xiaoxian Yang et al.
A commercial gravimetric sorption analyzer, which is based on a magnetic-suspension balance, was significantly improved to reduce the uncertainty in adsorption measurements. In a previous paper, we investigated the force-transmission error ...
Célio L Cavalcante Jr,Moisés Bastos-Neto,Alírio E Rodrigues et al.
Célio L Cavalcante Jr et al.
Impact of heteroatom addition into mesoporous silica for water adsorption in the low partial pressure range [0.03%]
杂原子掺入介孔硅对低压范围内吸水性的影响
Jéssica de O N Ribeiro,Débora G da Silva,Daniela C L Vasconcelos et al.
Jéssica de O N Ribeiro et al.
Mesoporous silicas are known to be high-performing water adsorbents in high humidity levels due to their large pore volumes. However, for low humidity conditions, these materials typically present a less expressive performance, which is a d...
Experimental design of a "Snap-on" and standalone single-bed oxygen concentrator for medical applications [0.03%]
一种用于医疗应用的“即插式”和独立单床制氧机的实验设计研究
Rama Rao Vemula,Matthew D Urich,Mayuresh V Kothare
Rama Rao Vemula
A novel single-bed, "Snap-on" and standalone, medical oxygen concentrator design based on a rapid pressure swing adsorption process was investigated for continuous oxygen supply. The Snap-on concentrator design is easy to hook up to an exis...
Techniques for direct experimental evaluation of structure-transport relationships in disordered porous solids [0.03%]
无定形多孔固体中结构输运关系的直接实验评估方法
Artjom Nepryahin,Robin S Fletcher,Elizabeth M Holt et al.
Artjom Nepryahin et al.
Determining structure-transport relationships is critical to optimising the activity and selectivity performance of porous pellets acting as heterogeneous catalysts for diffusion-limited reactions. For amorphous porous systems determining t...
Stefano Brandani,Enzo Mangano,Lev Sarkisov
Stefano Brandani
The definitions of absolute, excess and net adsorption in microporous materials are used to identify the correct limits at zero and infinite pressure. Absolute adsorption is shown to be the fundamental thermodynamic property and methods to ...
Designing micro- and mesoporous carbon networks by chemical activation of organic resins [0.03%]
通过有机树脂的化学活化设计微孔和介孔碳网络
Alicia Gomis-Berenguer,Raquel García-González,Ana S Mestre et al.
Alicia Gomis-Berenguer et al.
Carbon xerogels with ultrahigh micro- and mesopore volumes were synthesized from the activation of polymeric resins prepared by sol-gel polycondensation of resorcinol/formaldehyde mixtures in basic medium and subcritical drying. Various act...
Yuri Suchorski
Yuri Suchorski
Combining an energy analyzer with a field ion microscope equipped with a probe-hole which corresponds to just few atomic surface sites, spatially resolved energy analysis of ions field desorbed from the adsorbent surface is possible on a nm...
Stefano Brandani,Enzo Mangano,Mauro Luberti
Stefano Brandani
The formulation of a thermodynamic framework for mixtures based on absolute, excess or net adsorption is discussed and the qualitative dependence with pressure and fugacity is used to highlight a practical issue that arises when extending t...