Investigation of Xenon Extraction from ASU Streams by Low-Temperature Adsorption

被引：1
|
作者：
Verkhovniy, A. I. [1 ]
Kupriyanov, M. Yu. [1 ]
Ustyugova, T. G. [1 ]
Vorotyntsev, V. B. [2 ]
机构：
[1] Bauman Moscow State Tech Univ, Moscow, Russia
[2] Cryogenmash, Balashikha, Moscow Region, Russia
来源：
CHEMICAL AND PETROLEUM ENGINEERING | 2020年 / 56卷 / 3-4期
关键词：
ASU "safety stream; low-temperature adsorption; xenon; silica gel; adsorber;
D O I：
10.1007/s10556-020-00770-3
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The article considers a method for extracting xenon from gas concentrates on the basis of batch adsorption separation. An experimental unit for studying xenon adsorption dynamics at cryogenic temperatures was developed. Simulations were carried out in order to investigate the process of xenon adsorption from an air separation unit (ASU) "safety stream" on different sorbent materials (four types of silica gel and active aluminum oxide). A krypton-nitrogen-helium (Kr-N2-He) mixture was selected for the purposes of modeling to comply with fire and explosion safety requirements and to reduce the duration of the experiment. From analyzing the data obtained using the described, specially-developed experimental technique, we selected the sorbent having the maximum dynamic capacity for our application.
引用
收藏
页码：280 / 285
页数：6
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