Fabrication and Scale-up of Polybenzimidazole (PBI) Membrane Based System for Precombustion-Based Capture of Carbon Dioxide [electronic resource].

Published:: Washington, D.C. : United States. Dept. of Energy, 2012.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Additional Creators:: SRI International
United States. Department of Energy
United States. Department of Energy. Office of Scientific and Technical Information
Access Online:: www.osti.gov

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Summary:

The primary objectives of this project are to (1) demonstrate the performance and fabrication of a technically and economically viable pre-combustion-based CO₂ capture system based on the high temperature stability and permeance of PBI membranes, (2) optimize a plan for integration of PBI capture system into an IGCC plant and (3) develop a commercialization plan that addresses technical issues and business issues to outline a clear path for technology transfer of the PBI membrane technology. This report describes research conducted from April 1, 2007 to March 30, 2012 and focused on achieving the above objectives. PBI-based hollow fibers have been fabricated at kilometer lengths and bundled as modules at a bench-scale level for the separation of CO₂ from H₂ at high temperatures and pressures. Long term stability of these fibers has been demonstrated with a relatively high H₂/CO₂ selectivity (35 to 50) and H₂ permeance (80 GPU) at temperatures exceeding 225Â°C. Membrane performance simulations and systems analysis of an IGCC system incorporating a PBI hollow fiber membrane modules have demonstrated that the cost of electricity for CO₂ capture (<10%) using such a high temperature separator. When the cost of transporting, storing, and monitoring the CO₂ is accounted for, the increase in the COE is only 14.4%.

Subject(s):

Note:

Published through SciTech Connect.
03/31/2012.
Krishnan, Gopala; Jayaweera, Indira; Berchtold, Kathryn; Callahan, Richard; Roberts, Daryl-Lynn; Johnson, Will; O'Brien, Kevin; Sanjrujo, Angel.

Type of Report and Period Covered Note:

Final;

Funding Information:

FC26-07NT43090

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