Current Status of Amine-based CO2 Capture Technology in KEPCO

1,384 views

Published on

Published in: Technology, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
1,384
On SlideShare
0
From Embeds
0
Number of Embeds
5
Actions
Shares
0
Downloads
37
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Current Status of Amine-based CO2 Capture Technology in KEPCO

  1. 1. Carbon Capture and Storage Legal Framework Development and Supply Chain Perspectives, 18 OCT 2011, Rome Current Status of Amine-based CO2 Capture Technology in KEPCO 18, OCT 2011 Ji-Hyun Lee, No Sang Kwak, Kyung-Ryong Jang, In-Young Lee and Jae Goo Shim KEPCO Research Institute중온용 건식 재생 CO2 흡수제 개발
  2. 2. Outline KEPCO Overview Policy and target of CCS in KEPCO Project Overview Test Results of Lab & 0.1MW Test Bed Plan for Construction of 10MW Pilot Plant Conclusion and Future Works 2/19 WEC-Italy, Rome, 2011
  3. 3. KEPCO OverviewBudget : 54.5 trillion won ( as of ‘11)Personnel : 19,472 ( 36, 352 including Genco’s staffs, as of the end of ‘10)KEPCO Group 3/19 WEC-Italy, Rome, 2011
  4. 4. Policy and Target of CCS in KEPCO CCS-related policy in Korea & KEPCO- Power industry must take responsibility and take the lead for introducing CO2 free technology- Commitment of the 30% GHG reduction below BAU by 2020- Demonstration & deployment of CCS technology in 2020 Major Area of KEPCO’s CCS R&D CO2 Capture Technology Post Combustion Oxy Fuel Combustion Pre Combustion Wet Scrubbing Oxy Combustion Dry Sorbent Process Process for IGCC Dry Sorbent Chemical Looping Process Combustion 4/19 WEC-Italy, Rome, 2011
  5. 5. Post-Combustion CO2 Capture TechnologyWet Scrubbing CO2 Capture process Criteria for Solvent Selection Higher Higher adsorption capacity /desorption rates Lower energy Highly for Efficient Less regener Absorbent degradation ation Lower Lower volatility corrosivity 50~90% of total energy required 5/19 WEC-Italy, Rome, 2011
  6. 6. Project OverviewA-COS Project (Development of an Advanced CO2 Capture System)Project Leader: KEPCO (12 participants)Research Periods: NOV, 2008 ~ OCT, 2014 (6 Years)Financially supported by the Korean government & participating companiesTarget :- Develop post-combustion CO2 separation technology by amine solvent at coal-fired power station- Develop new solvent with improved regeneration energy compared to MEA (Reduce regeneration energy above 30% than MEA)- Process design, construction & optimization (0.1MW CO2 capture plant (2010), 10MW Pilot plant until 2013) 6/19 WEC-Italy, Rome, 2011
  7. 7. Strategy 1st Stage : `2008~11 2nd Stage : `2012~14 3rd Stage : `2015~20Capture < 3.2 GJ/tonCO2 2.5~3.0 GJ/tonCO2 < 2.5 GJ/tonCO2Energy Test bed S 0.1MW T Test Bed R • Develop advanced absorbent • Reduce regeneration energy Pilot Plant A 10MW T Pilot Plant E • Search innovative absorbent G • Process innovation Demonstration Y 500 MWGoal Development of an Advanced CO2 Capture System 7/19 WEC-Italy, Rome, 2011
  8. 8. Development Procedures Fast Screening V-L Equilibrium Degradation Corrosion CFD & Molecular Bench unit Test bed (0.1 MW) Economic Evaluationsimulation 8/19 WEC-Italy, Rome, 2011
  9. 9. Test results : Regeneration Energy BSU (Bench Scale Unit) CO2 Regeneration Energy Regeneration Energy (GJ/ton CO2) 5.0 30% 35% 4.5 4.0 3.5 3.0 2.5 3.9 2.0 2.8 2.6 1.5 1.0 0.5 0.0 MEA 30wt% KoSol-3 KoSol-4-1 Experimental Condition  CO2 concentration : 11~15%  Gas volume : 2~10Nm3/hr The regeneration energy of KoSol*-series is  Packing: Random packing 30~35% lower than that of MEA * KoSol : Korea Solvent 9/19 WEC-Italy, Rome, 2011
  10. 10. Test results : Degradation & Corrosion Degradation apparatus Experimental Condition Optical analysis of test coupon Oxidative Degradation - O2 : 98% - CO2 : 2% - Temperature : 60℃ - Reaction time: 1,400 hr Test coupon : carbon steel at 120℃ for 48hrs 90% 55% 100 60 93%Relative Degradation Corrosion Rate(mpy) 80 60 100 40 60 40 9 20 10 27 20 4 0 0 MEA 30wt% KoSol-3 KoSol-4-1 MEA 30wt% KoSol-3 KoSol-4-1 • KoSol-Series are 90% lower than MEA • KoSol-Series are 55~93% lower than MEA 10/19 WEC-Italy, Rome, 2011
  11. 11. Test results : 0.1MW Test bed0.1MW Test Bed Location: Boryung power Plant, Korea Capacity: Flue gas 350 m3/hr CO2 Recovery 2 Ton/day(0.1MW) Start Up: OCT. 2010 Source Gas: CO2 14%, O2 5%, SO2 25ppm Solvent: KoSol-series, MEA 11/19 WEC-Italy, Rome, 2011
  12. 12. Test results : 0.1MW Test bedTest Schedule ~Jan, 23rd KoSol-3 campaign (1st,68days) Jan, 23rd~28th washing/ solvent change March, 1st ~ 21st MEA campaign (1st, 20 days) March, 22rd ~24th washing/ solvent change Long run operation(KoSol-3, 1,000 hours, 43 April,2nd ~ May,14th days)Test & AnalysisKey variable DOE Analysis Optimal Condition -Statistical analysis -Simulation 12/19 WEC-Italy, Rome, 2011
  13. 13. Test results : 0.1MW Test bed/long-term testKoSol-3 Long-term test results (1,000hrs: from April 2~ May 14, 2011) 3.0 20 100 Steam Consumption(kg/hr) 2.5 Captured CO2(ton/day)CO2 Capture Ratio(%) 18 80 2.0 16 60 1.5 14 40 1.0 CO2 Capture Ratio(%) Conversion(%) 20 CO2 Capture(TPD) 12 0.5 Steam Consumption(kg/hr) 0 0.0 10 0 200 400 600 800 1000 Operation Time(hr) · CO2 capture ratio : 90.6% (average) · Captured CO2 : 2 ton-CO2/day · Regeneration energy : 3.0~3.2 GJ/ton-CO2 · No degradation during the long term test 13/19 WEC-Italy, Rome, 2011
  14. 14. Test results : 0.1MW Test bed/corrosion Corrosion Probe point P-3- Corrosion points : 8 points P-7- Corrosion probe: carbon steel P-1 P-6 P-4 P-2 P-8 P-5 Corrosion Rate Corrosion Rate(mpy) KoSol-3- Stripper(P-4) is the most corrosive MEA point in the process - Kosol-3 corrosion is 70% lower than that of MEA in Test Bed P-1 P-2 P-3 P-4 P-5 P-6 P-7 P-8 14/19 WEC-Italy, Rome, 2011
  15. 15. 10MW Pilot Plant Construction• Objectives : Demonstrate the performance of the KoSol solvent and the Process• Treated gas rate : 35,000Nm3/hr (200 t-CO2/day)• Source Gas : flue gas of coal fired boiler(CO2: 14%, O2: 5%, SO2: 25ppm)• Basic Design was completed 0.1MW Test bed Basic Design • Detail Design : ~ Feb 2012 Process Simulation • Plant Construction : ~ May 2012 ~ May 2013 15/19 WEC-Italy, Rome, 2011
  16. 16. Location of 10MW Pilot Plant Boryong Power plant ( 8×500MW plants, Bituminous coal)BoryongPower Plant Seoul 10MW CO2 Capture Plant Site Boryong Power Plant(#8) 16/19 WEC-Italy, Rome, 2011
  17. 17. Conclusion & Future WorksConclusion• Development of advanced amine solvent (KoSol-3) for CO2 capture - Decreased regeneration energy ▶ BSU: 2,8 GJ/ton CO2, Test Bed : 3.0~3.2 GJ/ton CO2 - Less corrosive than MEA - Less degradative than MEA• Construct 0.1MW Test Bed and 3,000hr trouble free operationFuture works• Process optimization (0.1MW) - Appling absorber inter-cooling system and advanced reclaimer• 10MW Pilot plant construction by May 2013• New Generation Technologies ▶ Development of self-concentrated CO2 capture system for reducing regeneration energy consumption 17/19 WEC-Italy, Rome, 2011
  18. 18. Thank you for your attention ! Ji-Hyun Lee Senior Researcher, KEPCO Research Institute, South Korea 18/19 E: leejha@kepri.re.kr / T: +82 42 865 5258 WEC-Italy, Rome, 2011

×