Adsorption and Diffusion in Single and Multicomponent Adsorbates in Highly Silicious Zeolites

水蒸气和有机化合物在高硅沸石上的扩散和吸附性能将通过重量法和充分搅拌的反应器来确定。主要目的是获得作为单组分和多组分体系的硅铝比函数的吸附和扩散数据，以获得对沸石中的吸附和扩散的基本了解。此外，还将研究以水蒸气为重要变量的混合气体的竞争吸附。目前的重量分析系统的独特之处在于，可以在整个吸附过程中同时监测系统压力、样品温度和样品重量的变化。这一独特的特性使人们能够检查温度对吸附的影响。更重要的是，这一特性使得通过将温度升高保持在最低限度来区分热效应与其他因素是可能的。搅拌良好的系统还具有研究竞争吸附引起的置换现象的能力，这在实际吸附应用中是重要的。

The diffusive and adsorptive properties of water vapor and organic compounds on highly silicious zeolites will be determined by a gravimetric technique and a well-stirred reactor. The primary objective is to obtain adsorption and diffusion data as a function of Si/Al ratios for both single component and multicomponent systems to gain fundamental understanding of adsorption and diffusion in zeolites. Furthermore, competitive adsorption from gaseous mixtures will be investigated with water vapor as an important variable. The current gravimetric system is unique in that the system pressure, the sample temperature and the sample weight change can be monitored simultaneously during the entire sorption process. This unique feature allows one to examine the temperature effect on sorption. More important is the fact that this feature makes it possible to differentiate the thermal effects from other factors by keeping the temperature rise at a minimum. Also unique to the well-stirred system is the capability to investigate the displacement phenomena resulting from competitive adsorption which is important in practical adsorption applications.