Facilitated transport membranes for biogas upgrading

TIAN Zhizhang; LI Yifan; JIANG Zhongyi; WANG Shaofei

doi:10.3969/j.issn.0438-1157.2014.05.006

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Facilitated transport membranes for biogas upgrading

更新时间：2025-12-10

- Facilitated transport membranes for biogas upgrading
- CIESC Journal Issue 5, (2014)
- 作者机构：
  
  1. 天津化学化工协同创新中心,天津,300072
  2. 天津大学化工学院绿色合成与转化教育部重点实验室,天津,300072
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.05.006
  CLC： Q028.8
- Online First：05 May 2014，
  
  Published：05 May 2014
- 稿件说明：
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TIAN Zhizhang, LI Yifan, JIANG Zhongyi, et al. Facilitated transport membranes for biogas upgrading[J]. CIESC Journal, 2014, (5).
DOI：

TIAN Zhizhang, LI Yifan, JIANG Zhongyi, et al. Facilitated transport membranes for biogas upgrading[J]. CIESC Journal, 2014, (5). DOI： 10.3969/j.issn.0438-1157.2014.05.006.

摘要

由生物气提纯获得的生物甲烷具有高热值，可作为天然气的替代品。生物气中除主要成分甲烷以外还含有大量的CO2和少量的水、H2S以及其他痕量杂质组分，需经过净化提纯方可获得高纯度的生物甲烷。膜分离技术用于生物气提纯具有绿色、高效、能耗低等特点，特别地，促进传递膜因其特殊的传质机制，对于生物甲烷系统提纯具有显著优势。综述了促进传递膜材料及其制备技术，讨论了生物气中水、H2S杂质对膜过程的影响，同时尝试对膜法生物气提纯的经济性和发展前景进行了分析。

Abstract

Biomethane

purified from biogas

can be utilized as substitute for natural gas owing to its high calorific value (HCV). Typically biogas contains 60%—65% CH4

35%—40% CO2

small amounts of hydrogen sulfide

water vapor and trace amounts of other gases. Treatment of raw biogas must be implemented in order to convert biogas into HCV biomethane. Membrane separation process exhibits many distinct advantages

including low energy consumption

high efficiency

high process flexibility and environment friendliness. Particularly

facilitated transport membrane exhibits predominant features for biogas upgrading because of its unique transport mechanism. Materials for facilitated transport membrane and corresponding preparation methods/technologies are summarized. Influences of impurities

such as water and hydrogen sulfide on membrane separation as well as some techno- economic issues are discussed. Finally

prospects on membrane separation technology in biogas upgrading are presented.

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