国内炼厂气中氢气的回收工艺选择

Selection of Recovery Process for Hydrogen in Domestic Refinery Gases

关键词:  中国 炼油厂 炼厂气 氢气 回收工艺 膜法 深冷法 变压吸附法 集成技术

Key words:  hydrogen, recovery process, selection, membrane separation, pressure swing adsorption, cryogenic separation, hybrid process

摘要:

阐述了我国炼厂气中氢气的基本情况，介绍了氢气的几种回收工艺及其选用原则；用膜法、PSA深或深冷法及其集成技术均能回收和综合利用，但综合来看膜法比较经济。最后介绍了有关氢回收方法在炼厂气中的典型应用情况。

Abstract:

The paper expatiates on the basic cases of hydrogen from refinery gases in domestic and introduces some recovery processes of hydrogen and its selection fundamentals. Hydrogen can be recovered and comprehensively u-tilized by membrane separation, pressure