Bench scale development of a hybrid membrane-absorption CO2capture process (Final Report)
- Membrane Technology and Research, Inc., Newark, CA (United States)
This final technical report describes work conducted for the Department of Energy (DOE) on the development of a bench-scale hybrid membrane-absorption carbon dioxide (CO2) capture system for coal-fired power plant applications (Cooperative Agreement number DE-FE0013118). The work was conducted by Membrane Technology and Research, Inc. (MTR) with major support from the University of Texas at Austin (UT Austin) from April 1, 2013 through September 30, 2018. The overall goal of this project was to evaluate two variations of a hybrid membrane-absorption capture system combining the MTR air-swept PolarisTM membrane technology, which enriches flue gas to ~20% CO2, with UT Austin’s absorption-based advanced flash stripper (AFS) using piperazine (PZ), to determine the superior hybrid variant and to assess the potential of hybrid capture systems to achieve a lower cost-of-capture, compared to NETL’s reference amine-based capture plant. This project included the evaluation, development and testing of a hybrid membrane-absorption CO2 capture system for coal-fired power plant applications using the MTR high-gas-flow, low-pressure-drop membrane contactor. The ability of the membrane contactor to enrich coal-fired flue gas from its normal content of ~13% CO2 into a smaller volume of gas containing 20-25% CO2 – with minimal energy input – could reduce the cost of the final concentration process, regardless of whether it is absorption, adsorption, cryogenic, or membrane-based. In this project, we are evaluating the feasibility of a hybrid system combining the MTR sweep membrane technology with the UT Austin piperazine-based advanced flash stripper (PZAS) capture system.
- Research Organization:
- Membrane Technology and Research, Inc., Newark, CA (United States)
- Sponsoring Organization:
- USDOE Office of Fossil Energy (FE)
- DOE Contract Number:
- FE0013118
- OSTI ID:
- 1630534
- Report Number(s):
- DOE-FE0013118-v.1; MTR 373
- Country of Publication:
- United States
- Language:
- English
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