Investigation of interactions between adsorbent and adsorptive in gas-phase adsorption by simultaneous volumetry and calorimetry

吸附过程的设计需要热力学数据;吸附等温线以及对热效应的深入理解，例如吸附等温线。从科学的角度来看，分子吸附过程的能量特性，即吸附机制是非常感兴趣的。这包括吸附分子和吸附剂表面之间的相互作用以及吸附状态下分子之间的相互作用。本项目的目的是研究相互作用的类型和强度以及基于同时测量吸附等温线和吸附曲线的吸附机制。该研究需要非常系统地选择吸附剂和吸附剂。最终目标是建立一个数学模型，用于计算不同吸附剂-吸附剂-组合的吸附能力。此外，温度对吸附等温线的影响将在一个system.To实现该项目开发了一种新的测量装置，这是基于吸附等温线的体积测量和吸附等温线的同时量热测量耦合。

The design of adsorption processes requires thermodynamic data; adsorption isotherms as well as a deep understanding of caloric effects, e.g. adsorption enthalpies. From a scientific point of view the energetic characterisation of molecular adsorption processes, i.e. adsorption mechanisms are of great interest. This comprises the interactions between adsorbed molecules and adsorbent’s surface as well as interactions between molecules in the adsorbed state.The aim of this project is to investigate the type and strength of interactions as well as adsorption mechanisms based on simultaneous measurements of adsorption isotherms and enthalpies. This investigation needs a very systematic choice of adsorbents and adsorptives. The ultimate target is to develop a mathematical model for the calculation of adsorption enthalpies of different adsorptive-adsorbent-combinations. In addition the influence of temperature on adsorption enthalpies will be examined in one system.To realise the project a new measuring device was developed, which is based on a coupling of volumetric measurements of adsorption isotherms and simultaneous calorimetric measurements of adsorption enthalpies.