SGER: Exploratory Research for New Concepts in Ultra-Rapid Cycle Adsorptive Separation

摘要提案编号： CTS-100087提案类型：研究者发起-SGER主要研究者：Vadim Guliants机构： 辛辛那提大学SGER：空气超快速循环吸附分离新概念的探索性研究作为设计微型变压吸附（PSA）氧气浓缩器的一步，本项目测量了氧气和氮气在低硅X沸石中的晶内扩散系数。 如果气体扩散系数与预期的一样大，这项工作将导致设计和制造，使用MEMS技术，一个小的，重量轻的氧气浓缩器，用于慢性阻塞性肺疾病的受害者。 该装置将在空气压力的相对高频摆动下操作。 实验的扩散系数值也将是有用的，在传统的PSA工艺的工程，以及在沸石吸附和运输的理论建模。

ABSTRACTProposal No.: CTS-100087Proposal Type: Investigator Initiated- SGERPrincipal Investigators: Vadim GuliantsInstitution: University of CincinnatiSGER: Exploratory Research for New Concepts in Ultra-rapid-cycle Adsorptive Separation of AirAs a step in designing a micro-scale pressure-swing-adsorption (PSA) oxygen concentrator, this project measures the intracrystalline diffusion coefficients of oxygen and nitrogen in a low-silica X zeolite. The measurements are being done by use of isotopic tracers in single-crystal permeation apparatus.If the gas diffusion coefficients are as large as expected, this work will lead to the design and fabrication, using MEMS technology, of a small, light-weight oxygen concentrator for use by victims of chronic obstructive pulmonary disease. This device will operate on a relatively high-frequency swing of air pressure. The experimental diffusivity values will also be useful in the engineering of conventional PSA processes as well in the theoretical modeling of zeolite adsorption and transport.