Adsorption properties and advanced textural characterization of novel micro/mesoporous zeolites
We present an advanced study of the physical adsorption of pure fluids, such as argon and nitrogen, and water vapor, on novel micro/mesoporous zeolites Beta and ZSM-5 as well as on mesoporous molecular sieves (e.g., SBA-16). We demonstrate that combining the adsorption of nitrogen at 77.4 K and argon at 87.3 K with a systematic water vapor sorption study performed at temperatures from 293 K to 323 K allows obtaining important information about the texture and surface properties of these novel materials. Our results reveal how the interplay of confined geometry effects and the strength of the adsorption forces influences the sorption, wetting and phase behavior of simple fluids and water, which is of importance for an advanced textural characterization of micro- and mesoporous materials.
Ji(r)í Rathousk(y) Matthias Thommes
J. Heyrovsk(y) Institute of Physical Chemistry, Academy of Sciences of the Czech Republic,CZ-18223 P Quantachrome Instruments, 1900 Corporate Drive, Boynton Beach, FL 33426, USA
国际会议
北京
英文
2007-08-12（万方平台首次上网日期，不代表论文的发表时间）