Ceramic Membranes for Oxygen Production in Vision 21 Gasification Systems

Transcription

1

2 Ceramic Membranes for Oxygen Production in Vision 21 Gasification Systems VanEric Stein and Ted Foster Gasification Technologies 2001 San Francisco, CA October 10, 2001

3 Acknowledgments Gary Stiegel Arun Bose Edhi Juwono George Gulko Pradeep Thacker Hua-Min Huang Tom Leininger Eli Demetri Henry Faulkner Art Smith Robin Richards abc 2

4 Vision 21 includes ceramic membranes for low-cost oxygen Coal Other Fuels POWER Fuel Cell High Efficiency cy Turbine FUELS Oxygen Membrane Gasification Gas Stream Cleanup Hydrogen Separation Liquids ids Conversion Process Heat/ Steam CO2 Sequestration Electricity Fuels/Chemicals 3 ITMs

5 Ion Transport Membranes produce high-purity oxygen Mixed-conducting ceramic membranes (non-porous) Typically operate at C Crystalline structure incorporates oxygen ion vacancies Oxygen ions diffuse through vacancies 100% selective for O 2 j O2 PO 2 ' ln '' P O2 compressed air O 2- oxygen P ½O 2 + 2e - O 2- O 2 electrons O 2- ½O 2 + 2e - P O2 4

6 ITM Oxygen integrates well with power generation cycles OXYGEN AIR HRSG STEAM Oxygen Blower FUEL ELECTRIC POWER Air Oxygen Ion Transport Membrane Heat Exchange 5

7 IGCC Study with Texaco Oxygen Depleted Air ION TRANSPORT MEMBRANE Hot Extraction Air LP Oxygen Extraction Air Power HP Oxygen Clean Syngas Water Injection Coal COAL GRINDING & SLURRY PREP Coal Slurry GASIFICATION Raw Syngas LOW TEMPERATURE GAS COOLING Raw Syngas ACID GAS REMOVAL Clean Syngas POWER BLOCK 1 CT, 1 ST & 1HRSG Air Stack Gas Slag Water Black Water Sour Condensate Acid Gas Off Gas SOLID HANDLING BLACK WATER HANDLING SULFUR RECOVERY Tail Gas TAIL GAS TREATING Slag Blowdown Sulfur 6

8 IGCC Study Design Basis Single-train high-pressure Texaco quench gasifier (950 psig) eastern U.S. coal raw syngas expander conventional fuel gas cleaning and SRU Siemens Westinghouse W501G - 60 Hz (272 MW) 100% air / N 2 integration of ASU / ITM Oxygen HRSG and reheat steam turbine (1800 psig) ISO ambient design conditions 7

9 ITM Oxygen shows significant benefits for IGCC ITM Oxygen Cryo ASU (%) IGCC Net Power (MW)

10 ITM Oxygen shows significant benefits for IGCC ITM Oxygen Cryo ASU (%) IGCC Net Power (MW) Net IGCC Efficiency (% LHV) Oxygen Power Req t (kwh/ton)

11 ITM Oxygen shows significant benefits for IGCC ITM Oxygen Cryo ASU (%) IGCC Net Power (MW) Net IGCC Efficiency (% LHV) Oxygen Power Req t (kwh/ton) Oxygen Plant Size (stpd) 3,200 3,

12 ITM Oxygen shows significant benefits for IGCC ITM Oxygen Cryo ASU (%) IGCC Net Power (MW) Net IGCC Efficiency (% LHV) Oxygen Power Req t (kwh/ton) Oxygen Plant Size (stpd) 3,200 3, Oxygen Plant Cost ($/stpd) 13,000 20,

13 ITM Oxygen shows significant benefits for IGCC ITM Oxygen Cryo ASU (%) IGCC Net Power (MW) Net IGCC Efficiency (% LHV) Oxygen Power Req t (kwh/ton) Oxygen Plant Size (stpd) 3,200 3, Oxygen Plant Cost ($/stpd) 13,000 20, Total IGCC Cost ($,000) 447, , IGCC Specific Cost ($/kw) 1,020 1,

14 ITM Oxygen is a three-phase development effort Phase I - proof of concept ceramic fabrication scale-up process concept validation tests at lab-scale 13

15 Ceramic Fabrication scaled-up in component size and volume Relative Membrane Area Transitioned to Full-Size Membrane Components in July /00 9/00 11/00 1/01 3/01 5/01 7/01 14

16 Oxygen flux from sub-scale membranes meets target subscale membrane assemblies at T and P O2 typical for full process conditions Relative Oxygen Flux 3 Commercial Range 2 1 ITM Material & Ceramic Processing Improvements Phase I Target Feb-99 Apr-00 Sep-00 Oct-00 Apr-01 15

17 ITM Oxygen is a three-phase development effort Phase I - proof of concept ceramic fabrication scale-up process concept validation tests at lab-scale Phase II - scale-up to 5 TPD design, construction, testing of 5 TPD unit engineering, cost, scale-up data for Phase III Phase III - 25 TPD pre-commercial demo unit fully integrated with gas turbine tested at suitable field site 16

18 Commercialization begins 2006 Technical Feasibility 0.1 TPD Phase I Eng g Prototypes 1 & 5 TPD Phase II Pre-commercial ~25 TPD Phase III Commercialization CY

19 Disclaimer A significant portion of this report was prepared by Air Products and Chemicals, Inc. pursuant to a Cooperative Agreement partially funded by the United States Department of Energy, and neither Air Products and Chemicals, Inc. nor any of its contractors or subcontractors nor the United States Department of Energy, nor any person acting on behalf of either: 1. Makes any warranty or representation, express or implied, with respect to the accuracy, completeness, or usefulness of the information contained in this report, or that the use of any information, apparatus, method, or process disclosed in this report may not infringe privately owned rights; or 2. Assumes any liabilities with respect to the use of, or for damages resulting from the use of, any information, apparatus, method, or process disclosed in this report. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Department of Energy. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Department of Energy. 18

20 Thank you This paper was written with support of the U.S. Department of Energy under Contract No. DE-FC26-98FT The Government reserves for itself and others acting on its behalf a royalty-free, nonexclusive, irrevocable, worldwide license for Governmental purposes to publish, distribute, translate, duplicate, exhibit and perform this copyrighted paper.

21 tell me more