了解 LiLSX 商用珠上的 N2 动力学:新型材料表征的实验和建模方法

IF 3.9 3区 工程技术 Q2 ENGINEERING, CHEMICAL
Stylianos Kalaitzopoulos, Enzo Mangano, Stefano Brandani, Blake Corey, Kerry Weston
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引用次数: 0

摘要

在最先进的 LiLSX 粒子中精确测量氮吸附动力学对于优化生产氧气的真空摇摆工艺至关重要。为了在实验中确定热量和质量的联合传递现象的存在,提出了一种新的方法。使用吸附微分容积仪测量了非常快速的吸附动力学,并使用非等温模型进行了解释。新方法包括通过在不同压力水平下对所有实验运行进行同步回归,确定模型的所有物理参数。该方法已在两个 Zeochem 无粘合剂 LiLSX 珠状样品上进行了演示,并确定了相对动力学性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Understanding N2 Kinetics on LiLSX Commercial Beads: An Experimental and Modeling Approach for Novel Material Characterization

Understanding N2 Kinetics on LiLSX Commercial Beads: An Experimental and Modeling Approach for Novel Material Characterization
The measurement of accurate nitrogen adsorption kinetics in state-of-the-art LiLSX beads is essential for the optimization of vacuum swing processes for the production of oxygen. A novel methodology is presented in order to establish experimentally the presence of combined heat and mass transfer phenomena. The very rapid uptake kinetics are measured using the adsorption differential volumetric apparatus and interpreted using a nonisothermal model. The novel methodology includes the determination of all the physical parameters of the model from the simultaneous regression of all experimental runs at different pressure levels. The approach has been demonstrated on two Zeochem binderless LiLSX beaded samples, for which traditional methods proved inconclusive, allowing to determine the relative kinetic performance.
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来源期刊
Industrial & Engineering Chemistry Research
Industrial & Engineering Chemistry Research 工程技术-工程:化工
CiteScore
7.40
自引率
7.10%
发文量
1467
审稿时长
2.8 months
期刊介绍: ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.
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