Separation of carbon dioxide from synthesis gas containing steam by pressure swing adsorption at mid-high temperature

Cheng Tung Chou, Yu Hau Shih, Yu Jie Huang, Hong Sung Yang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This study aimed to utilize a pressure swing adsorption (PSA) process to capture CO2 from synthesis gas, which is the effluent stream of water-gas-shift reactor. The PSA process studied is a single-bed four-step process at mid-high temperature using K2CO3-promoted hydrotalcite as adsorbent. The breakthrough curve and desorption curve were verified against the simulation program which our group developed. It uses the method of lines combined with upwind differences, cubic spline approximation and LSODE of ODEPACK software to solve the equations. The optimal operating condition is obtained by varying the operating variables, such as feed pressure, bed length, etc. Furthermore, single-bed four-step process could achieve 98.49% recovery of H2 as the top product and 96.42% purity and 96.57% recovery of CO2 as the bottom product.

Original languageEnglish
Title of host publicationSimulation and Modeling Methodologies, Technologies and Applications - International Conference, SIMULTECH 2013, Revised Selected Papers
EditorsTuncer Ören, Janusz Kacprzyk, Slawomir Koziel, Leifur Leifsson, Mohammad S. Obaidat
PublisherSpringer Verlag
Pages157-169
Number of pages13
ISBN (Electronic)9783319114569
DOIs
StatePublished - 2015
Event3rd International Conference on Simulation and Modeling Methodologies, Technologies and Applications, SIMULTECH 2013 - Reykjavík, Iceland
Duration: 29 Jul 201331 Jul 2013

Publication series

NameAdvances in Intelligent Systems and Computing
Volume319
ISSN (Print)2194-5357

Conference

Conference3rd International Conference on Simulation and Modeling Methodologies, Technologies and Applications, SIMULTECH 2013
Country/TerritoryIceland
CityReykjavík
Period29/07/1331/07/13

Keywords

  • CO capture
  • Pressure swing adsorption
  • Synthesis gas

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