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Greengen --- Near Zero Emission Coal Based Power Generation Project in China

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Greengen --- Near Zero Emission Coal Based Power Generation Project in China TPRI GreenGen --- Near Zero Emission Coal Based Power Generation Project in China Xu Shisen Thermal Power Research Institute Technology Development Center of CHNG 23th May 2007 TPRI ContentsContents WhyWhy doesdoes China needneed GreenGen ? Roadmap of GreenGen Program Demonstration Project R&D on Key Technologies Summary TPRI WhyWhy coalcoal ?? Oil NG Coal 300 200 100 0 Year 40 60 230 C : H (wt.%) 85:15 75:25 95:5 CO2 emission 80 60 100 TPRI WhyWhy Coal?Coal? Nuclear 1.1% 0.4% Renewable 20.7% Structure of Hydro China’s Electric Power Thermal 77.8% 2006 China’s electric power development 中国历年发电装机增长情况 70000 62200 60000 51718 50000 44239 39141 40000 35657 33849 31932 29877 27729 （万30000 千瓦） 25424 23654 21722 19989 18291 20000 16653 15147 13789 12664 11550 9382 10090 8012 8705 10000 6913 7236 7644 0 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 （年 ） CHNG’s electric power development CoalCoal’’ss problemproblem Average Coal Consumption Ratio (by end of 2006) China:366g/kWh How to increase efficiency? World:320 g/kWh How to reduce emissions? TPRI EmissionEmission ofof thermalthermal powerpower technologiestechnologies TPRI COE with CO2 capture and sequestration 90 COE $MWh with Capture 80 & Sequestration 70 COE $/MWh with CO2 60 Capture 50 COE $/MWh w/out 40 Capture 30 NGCC = Natural Gas Combined Cycle 20 IGCC = Integrated 10 Gasification 0 Combined Cycle NGCC 525 NGCC 525 IGCC 520 USC PC 600 USC PC – Hi-efficiency MW MW MW MW Pulverized coal ($3.50=$3.3 ($5/MBtu $/GJ NG) =$4.7/GJ NG) TPRI CCTCCT inin thethe futurefuture SC/USC + FGD + SCR (deep clean, CO2) ---- for near future CFBC (capacity, efficiency, deep clean, CO2) ---- to complement USC PFBC（deep clean, technical barrier, CO2) IGCC ( reduce cost, CO2 ) ---- for medium future GreenGen (high efficiency, near zero emission and H2 production ) ---- for long term future TPRI The Objects of GreenGen R&DD on the integrated coal gasification, hydrogen production, power generation and CO2 sequestration system To achieve high coal-based generation efficiency and near zero emission of all pollutant including CO2 To verify key technologies, sustain technologies and system integration technology and create “GreenGen” technology with full Chinese intellectual property right To conduct commercial demonstration at acceptable price and realize sustainable development of coal-based generation TPRI Roadmap of GreenGen Program 2005 2010 2015 2020 2025 ●1000-2000t/d gasifier ●system integration First ●250MW IGCC Step ● 100~200kW MCFC and 50kWSOFC ● H2 production and CO2 separation at pilot scale ●3000t/d gasifier Second ●300~400MW IGCC Step ● MW MCFC and 200kWSOFC ● H2 production and CO2 separation at 100MW class ●3000t/d gasifier ●300~400MW GreenGen demonstration Third with10~50 MW MCFC and SOFC, H2 production , Step CO2 separation and near zero emission R&DD Deployment Power Power TPRI H2 Steam Turbine H2 Separation Fuel Cell Gas Turbine CO2 Embedded in Deep Sea Air H2& CO2 UnmineableCoal Separation Beds Rich Hydrogen Industrial Utilization Syngas (Only first step) first (Only Clean Gas Shift Nitrogen Gas Sulfur Marketable Purification Recovery Sulfur Water The final flow sheet of GreenGen The final flow sheet of GreenGen Gasification Marketable Ash and Slag Oxygen Air Separation Air Coal Water or Steam Water TPRI TechnologicalTechnological goalsgoals ofof GreenGenGreenGen To complete industrial demonstration project of 400MW before 2020 Generation efficiency up to 55%-60% 3 SO2 and NOx emission less than 20mg/Nm PM2.5, Hg and VOC near zero discharge Over 80% of CO2 separated and treated Byproducts effectively utilized Acceptable cost The Flow Sheet of GreenGen Stage 1 TPRI TPRI TPRI FirstFirst stagestage objectsobjects 250MW250MW Eff.(net):Eff.(net): >42%(LHV)>42%(LHV) DeDe SOxSOx eff.eff. :: >98%>98% 3 NOx:NOx: <80mg/Nm<80mg/Nm (16%@(16%@ OO2)) OperationOperation inin 20092009 <2000mRMB<2000mRMB TPRI KeyKey technologiestechnologies Gasifier:Gasifier: TPRITPRI--2000T/D2000T/D EE -- GasGas turbineturbine :: Nanjing+ GE Turbine Shanghai Electric Group+ SIMENS Dong Fang Electric + MHI ASU,ASU, HRSG,HRSG, ST,etc.:ST,etc.: DomesticDomestic ManufactureManufacture Design:Design: DomesticDomestic GreenGenGreenGen Lab.Lab. TPRI •CO2 capture and sequestration: 3 •A 10,000 Nm /h PSA CO2 capture experimental setup 3 •A 150 Nm /h CO2 membrane separation capture experimental setup TPRI 250MW250MW IGCCIGCC PowerPower PlantPlant inin TianjinTianjin TPRI Implementation of GreenGen CHNG approved “The Program of GreenGen ” in 2004. The feasibility study of the first step demonstration project has been finished in Sept. 2006, and will be started to construct in 2007 and put into operation in 2009. CHNG prepares to set up GreenGen Industrial Alliance, and welcome the energy companies in the world to participate in GreenGen. The membership agreement was singed between CHNG and the FutureGen Industrial Alliance on 27 Oct. 2005. Vice-Premiere Zeng Peiyan TPRI meeting stakeholders GreenGenGreenGen Ltd.,Ltd., Co.Co. TPRI GreenGen Ltd., Co. founder agreement signing ceremony GreenGen manifested the responsibility of state-owned energy giants in addressing energy utilization and environmental issues. TPRI GreenGen Ltd., Co. China Huaneng Group, Holding Company, financial contribution 51% China Datang Group 7% China Huadian Corporation 7% China Guodian Corporation 7% China Power Investment Corporation 7% Shenhua Group 7% State Development & Investment Co. 7% China Coal Group 7% TPRI CHNG Participated in FutureGen Alliance CHNG participated in US “FutureGen” project on Oct 27. 2005 TPRI GreenGenGreenGen stagestage II signingsigning ceremonyceremony inin 20062006 GreenGenGreenGen stagestage IIII TPRI signingsigning ceremonyceremony onon AprilApril 1818th 20072007 CHNG singed the agreement about GreenGen Stage II with the government of Tianjin City ,and will build 2×400 MW GreenGen in Tianjin TPRI Key technologies high efficiency and large scale gasification gas cleanup hydrogen gas turbine technology FC membrane separation CO2 capture and sequestration system integration TPRI TwoTwo StagesStages 36t/d (10MWth ) GasificationGasification Funded by National “863” Program 2001-2005 700kg/d,1997-2000, funded by MOST and SPC 2000t/d， 2009 TPRI TwoTwo stagesstages gasificationgasification Gasifier Type: • oxygen Entrained flow • 2 Stages Reaction • dry feed • No syngas recycle • with water cooling wall • with waster heat recovery • Pressure: 3.0MPa • Temperature: 1300~1600℃ • Cold syngas efficiency: >81% • CO+H2>90% • Carbon conversion>98% TPRITPRI 36t/d (10MWth ) Funded by National “863” Program Pilot2001-2005 facility : Coal Feed Rate: 36 t/d Pressure: 3.0MPa Completed: 2005 Fund: MOST, CHNG Partners: 7 Syngas Cleaning Pilot Scale Facility at TPRI TPRI TPRI Software for IGCC and FC System Design and Optimization Based on Aspen Plus TPRI R&DR&D onon FCFC 5kW5kW SOFCSOFC fundedfunded byby MOST.MOST. 50kW50kW MCFCMCFC fundedfunded byby MOST.MOST. TheThe softwaresoftware forfor designdesign andand optimizationoptimization forfor FCFC powerpower systemsystem fundedfunded byby MOST.MOST. TPRI H2/CO2 Separation Separation methods Shortcoming Advantages Absorption Physical Bad absorption selectivity, CO2 can be separated only by so good absorbent decompressed and distilled, need little performance is the key regeneration energy. Chemical High energy penalty Good absorption selectivity, CO2 concentration can be up to 99.9%. Adsorption Pressure Limited sorbent capacity, Low energy penalty and simple Swing so need more sorbent and process Adsorption high automatization for (PSA) sorbent’s frequent desorption. Cryogenic High energy penalty and Simple principle bulky facilities Membrane Hard to get high Simple and compact facilities, so need concentration CO2 little space. It has good efficiency and flexibility, easy to operation and low cost. No additional pollution(the cost is 25% lower than absorption ) TPRI MeansMeans ofof GeologicalGeological SequestrationSequestration oror StorageStorage ofof COCO22 TPRI CO2 storage capacity in China COCO2 storagestorage inin deepdeep geologicgeologic formationformation andand TPRI enhanceenhance oiloil recoveryrecovery TPRI TPRI,GreenGen Co. joined the COACH and will join the cooperation with UK for CO2 capture and sequestration GeoCapacity COACH Geological map of the Bohai and Ordos Basins TPRI SummarySummary China needsneeds GreenGen Roadmap of GreenGen Program was ready in 2004 First stage demonstration project is based on the China’s intellective property, and will go into operation in 2009 Demonstration project is funded by MOST TPRI Thank you for your attention ! [email protected].
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