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A study of membrane and membrane-based hybrid processes for gas separations.

机译:膜和基于膜的气体分离混合工艺的研究。

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摘要

The objective of the present research was to study the effects of different membrane processes configurations and recycle schemes on the performance and economics of membrane and hybrid (membrane/absorption) processes for the separation of gas mixtures. The following applications were considered: (a) the production of oxygen-enriched air and (b) the removal of acid gases (CO;The operating conditions of seven different membrane process configurations for the removal of acid gases from natural gas were optimized on the basis of new, more meaningful process variables. A three-stage configuration (consisting of a single permeation stage in series with a two-stage cascade) resulted in the lowest separation cost. At the base case operating conditions, membrane processes for the removal of CO;The operating conditions for six different membrane process configurations were optimized to determine the lowest cost for the production of oxygen-enriched air containing a minimum of 30 mole-% O
机译:本研究的目的是研究不同的膜工艺配置和再循环方案对膜和混合(膜/吸收)工艺分离气体混合物的性能和经济性的影响。考虑了以下应用:(a)富氧空气的生产和(b)酸性气体(CO)的去除;针对从天然气中去除酸性气体的7种不同膜工艺配置的运行条件进行了优化。新的,更有意义的工艺变量的基础三阶段配置(由一个单一的渗透阶段与一个两阶段的级联组成)可实现最低的分离成本。一氧化碳;优化了六种不同膜工艺配置的操作条件,以确定生产至少含30摩尔%O的富氧空气的最低成本

著录项

  • 作者单位

    Syracuse University.;

  • 授予单位 Syracuse University.;
  • 学科 Chemical engineering.
  • 学位 Ph.D.
  • 年度 1991
  • 页码 266 p.
  • 总页数 266
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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