Novel Process that Achieves 10 MOL/KG Sorbent Swing Capacity in a Rapidly Cycled Pressure Swing Adsorption Process Email Page
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Performer: Georgia Tech Research Corporation
Overview of sub-ambient pressure swing adsorption<br/>system with metal-organic framework fiber composites
Overview of sub-ambient pressure swing adsorption
system with metal-organic framework fiber composites
Website: Georgia Tech Research
Award Number: FE0026433
Project Duration: 10/01/2015 – 09/30/2018
Total Award Value: $2,500,776
DOE Share: $1,986,985
Performer Share: $513,791
Technology Area: Post-Combustion Capture
Key Technology: Sorbents
Location: Atlanta, Georgia

Project Description

Georgia Tech Research Corporation has teamed with Inmondo Tech, Inc., to test a novel process that achieves 10 moles per kilogram sorbent swing capacity in a rapidly cycled pressure swing adsorption (RCPSA) process for post-combustion carbon dioxide (CO2) capture from coal-fired power plants. Novel polymer/metal-organic framework (MOF) sorbent composite hollow fibers will be used in a new sub-ambient RCPSA process that integrates flue gas conditioning with a highly-compact pressure swing adsorption system. The research team will develop, fabricate, and test prototype MOF composite-fiber sorbent modules at sub-ambient conditions. The modules are comprised of polymeric fibers with embedded metal-organic framework particles. This approach benefits from two main innovations: (1) the sub-ambient flue gas is processed with energy and power recovery, enabling a low pressure drop fiber sorbent-based RCPSA system that is extremely compact and (2) a hollow fiber sorbent with a bore-side barrier layer has the potential to make the RCPSA fiber sorbent module even more compact. Additionally, the efficiency of the pressure swing cycle will be boosted by installing a stationary phase-change material in the bores of the hollow fiber sorbents that will isothermally melt upon release of sorption enthalpy and conversely isothermally freeze upon CO2 desorption, requiring no steam or cooling water. The project is anticipated to result in a lab-scale evaluation of a prototype fiber sorbent module in a sub-ambient RCPSA with simulated flue gas and preliminary design, optimization, and economic analysis of a full scale system.

Project Benefits

The unique combination of flue gas cooling and compression with metal-organic framework fiber sorbents in rapidly cycled pressure swing mode enables large CO2 swings that deliver high purity and high pressure CO2 at low overall cost. This approach is expected to reduce both the operating and capital costs associated with post-combustion CO2 capture from coal-fired power plants and progress toward meeting DOE cost and performance goals.

Contact Information

Federal Project Manager Bruce Lani: bruce.lani@netl.doe.gov
Technology Manager Lynn Brickett: lynn.brickett@netl.doe.gov
Principal Investigator Ryan Lively: ryan.lively@chbe.gatech.edu

 

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