Clean Coal Technology and CCS in Japan

Transcription

1 Clean Coal Technology and CCS in Japan Michiaki Harada Contents 1. High Efficient Technology in Japan 2. CCS Projects in Japan 3. The Future of Coal

2 The Sixth Japan Russia Energy and Environment Dialogue in Niigata World Coal Trading (2011) Other EU その他欧州 22.8Mt Other OECD EU 他OECD欧州 76.3Mt 5.6Mt 21.4Mt Poland ﾎﾟｰﾗﾝﾄﾞ UK 英国 26.5Mt 8.8Mt 10.0Mt 5.8Mt Germany ドイツ 11.1Mt 45.7Mt 4.0Mt ｵﾗﾝﾀﾞ 20.4Mt イタリア 21.5Mt ｱﾌﾘｶ中東 21.7Mt 5.9Mt 9.8Mt 10.3Mt 7.2Mt Vietnam ﾍﾞﾄﾅﾑ 22.4Mt 67.3Mt 26.8Mt41.6Mt 19.0Mt Canada カナダ 9.9Mt 5.7Mt 7.3Mt 177.0Mt 4.2Mt 4.1Mt 12.1Mt Korea 韓国 118.6Mt China 中国 India インド 90.1Mt 12.4Mt 8.6Mt 32.5Mt Kazakhstan ｶｻﾞﾌｽﾀﾝ 32.8Mt Turkey トルコ 26.9Mt 8.8Mt 15.9Mt Russia ロシア 108.8Mt 186.6Mt 7.5Mt USA 米国 4.4Mt 9.5Mt 73.9Mt 6.4Mt 7.4Mt 43.0Mt 40.5Mt 34.5Mt Taiwan 台湾 118.6Mt 63.2Mt 22.6Mt 28.8Mt 37.0Mt Indonesia 18.5Mt ｲﾝﾄﾞﾈｼｱ 5.7Mt 8.9Mt Japan 日本 7.0Mt 4.5Mt 33.3Mt 7.9Mt 13.2Mt 8.7Mt ｺﾛﾝﾋﾞｱ 68.5Mt Other Asia その他ｱｼﾞｱ 164.6Mt ブラジル 17.3Mt 161.9Mt S.A. 南ｱﾌﾘｶ 69.6Mt Coal Export 輸出国 Country 輸出量 4.9Mt Aust. 豪州 4.7Mt 297.7Mt 輸入国 Coal Import Country 輸入量 6.4Mt その他南米 11.7Mt 貿易量400万トン未満は省略 3 Clean Coal Technologies for Power Generation 4

3 1. High Efficient Technology in Japan Towards Higher Thermal Efficiency Development of Coal-fired Power Generation Pulverized Coal-Fired System (PCF): Efficiency upgrade by increasing steam temperature and pressure; A-USC (Advanced USC, 700 class) is under development Integrated Coal Gasification Combined Cycle System (IGCC): Combined Gas turbine (GT) and steam turbine (ST) cycle; Higher thermal efficiency than PCF; Increasing the GT inlet gas temperature is necessary for efficiency upgrade Integrated Coal Gasification Fuel Cell Combined Cycle System (IG): Triple combined cycle (GT+ST+); Higher thermal efficiency than IGCC 1 PCF 2 IGCC(1500 class) 3 IG Latest PCF (USC) 700 class (A-USC) Boiler ST Boiler ST Gasifier GT ST Gasifier GT ST Gross:42~43% (HHV) Net : 41%(HHV) (Basis) Gross:48% Net : 46% CO 2 reduction: approx. 11% Gross:51~53% Net :46~48% CO 2 reduction: approx. 13% Gross:60%~ Net :55%~ CO 2 reduction: approx. 25%~

4 Roadmap on improving the efficiency of coal fired power plants 7 Efficiency Upgrade by Plant Replacement (Isogo Thermal Power Station) Old Isogo, Startup:1967 New Isogo No.1, Startup: 2002 New Isogo No.2, Startup: 2009 Three Purposes Output Upgrade Environmental Upgrade Efficiency Upgrade Output 530MW 1,200MW (265MW 2) (600MW 2) SOx 60 ppm 20 ppm (10) NOx 159 ppm 20 ppm (13) Dust 50 mg/m 3 N 10 mg/m 3 N (5) Steam condition Sub-critical Ultra Super Critical(USC) Efficiency 38% (Gross%; HHV) 42~43% (Gross%; HHV) CO 2 Emissions A comparison of the CO 2 emission per gross output (kwh) with an old plant (100 basis). ():No. 2

5 New Energy Efficient Technologies IGCC in Japan Nakoso 250MWe 9 IGCC, IG& CCS: Osaki CoolGen Project IG, the Ultimate High Efficiency Coal Fired Power Technology Demo. Project by Osaki CoolGen Corp. Output: 170 MW Class Coal Feed: 1,100 t/ d Net Efficiency: Comparable to 1000 MW Class USC Osaki Power Station of The Chugoku EPCo Osaki-kamishima, Hiroshima Demo. Site Fiscal Year EIA Demo. Schedule IGCC Optimization Research & Study Design, Manufacturing & Construction Test Ope. +CO 2 Capture Start of Construction D, M & C T.O. +Fuel Cell=IG D, M & C T.O. 10

6 2. CCS Projects in Japan Carbon Capture & Storage(CCS) Pre, Post, Oxyfuel-combustion 12

7 Carbon Capture & Storage(CCS) Sequestration Capture Storage Transport Injection Injection from surface facilities Pipeline transport Sequestration Capture Storage facilities Tanker transport Injection from sea-based facilities Structural Cap Rock (impervious bed) Large-scale CO2 emission source Pipeline transport Microscope photo of water bearing stratum The layer is a stratum including brine formed by porous sandrock with a high porosity. Land zone Underground water bearing stratum <Trial calculation of storage stratum> Porosity: 20% Sea zone Sweep efficiency: 50% CO 2 dissolution rate: 47kg/m 3 Underground water bearing stratum Storage capacity Structural Cap Rock (impervious bed) Storage stratum thickness Storage stratum diameter 10,000 t-co 2 10m 260m 1 million t-co 2 50m 1.2km Japan-Australia Callide-A Oxy-fuel Project outline Demonstration of 30MWe coal fired power plant with CCS by Oxy-fuel technology Callide-A: 4 x 30 MWe (Use one unit) Evaporation: 123 t/h steam 4.1 MPa/460 o C Operation terminated 2002 Flue gas treatment / Fabric filter (without DeNOx / DeSOx) Partners CS Energy, Xstrata, Schlumberger JPOWER,I HI, Mitsui & Co, CO2 storage site area (app.300km far east from Callide-A) Callide-A Power Plant 14

8 3. The Future of Coal The Future of Coal H 2 CH4 CO2 Hydrogen Power Chem icals

9 Thank you for your attention!