石炭ガス化複合発電（IGCC）の 現状と今後の普及

1 CO2 . IGCC .. 2017 2 13 .. Copyright Joban Joint Power Co., Ltd 1.. 10 250MW I . 540MW IGCC .. CCS . Copyright Joban Joint Power Co., Ltd 2.. 10 . 250MW IGCC. Copyright Joban Joint Power Co., Ltd 3.. 7 8 9 10 . 250,000kW 600,000kW 600,000kW 250,000kW. 1970 10 26 1983 9 9 1983 12 15 2013 4 1 .. 1,700,000 . 6 2015 11 . Copyright Joban Joint Power Co., Ltd 4.. 540MW . IGCC . 10 . 250MW IGCC. Copyright Joban Joint Power Co., Ltd 5. IGCC . Buggenum Puertollano Wabash River Tampa Nakoso Edwardsport GreenGen Netherland Spain USA USA Japan USA CHINA.. Dry-feed Dry-feed Slurry-feed Slurry-feed Dry-feed Slurry-feed Dry-feed . Shell Penflo E-GasTM GE GE TPRI.. 2,000 t/ 2,600 t/ 2,500 t/ 2,500 t/ 1,700 t/ 5,400 t/ 2,090 t/ . 284 MW 335 MW 297 MW 315 MW 250MW 761 MW 265 MW. GT 1,100 1,300 1,300 1,300 1,200 1,400 1,100 .. 1994 1997 12 1995 10 1996 9 2007 9 2013 6 2013 6 .. 3,287 1,847 1,673 953 3,917 2,640 2,808.

2 Copyright Joban Joint Power Co., Ltd 6. IGCC . IGCC . Taean Kemper CoolGen IGCC. USA. Chile Thailand Poland . Dry-feed Dry-feed Dry-feed Dry-feed . Shell KBR(TRIG) MHPS MHPS . 4,600t/ . 2,670 t/ 1,180 t/ t/ . 2. 380 MW 582 MW 166 MW 540MW 2. GT 1,400 1,300 1,300 1,400 . 2017 2017 2020 . 2016 .. - CCS CCS,IGFC .. Copyright Joban Joint Power Co., Ltd 7.. (HRSG).. or . PCF : Pulverized Coal Firing IGCC : Integrated coal Gasification Combined Cycle IGCC . IGCC . IGCC . Copyright Joban Joint Power Co., Ltd 8.. IGCC by 1700 GT. IGCC by 1600 GT. 50 . 50. IGCC(48 50%) . (%LHV). by 1400 1500 GT. 45. IGCC(45 46%) by 1300 deg C GT. IGCC (42%) by 1200 GT. 40. (41 43%). (40 41%).. Copyright Joban Joint Power Co., Ltd 9.. 1200.. 1000. 800.. 600. 400. 200. 0.. IGCC . Copyright Joban Joint Power Co., Ltd 10.. Copyright Joban Joint Power Co., Ltd 11.. SO NO 8 5 . / 3N .. Copyright Joban Joint Power Co.

3 , Ltd 12.. 5 .. CO,H2 .. C + CO2 = 2CO. + C + H2O = CO + H2. CO H2. CO + H2O = CO2 + H2.. H2S HCl NH3. N2.. Copyright Joban Joint Power Co., Ltd 13.. C + CO2 = 2CO. C + H2O = CO + H2 700K. CO + H2O = CO2 + H2 Porous . Filter . ( ) . HRSG.. ( ).. Copyright Joban Joint Power Co., Ltd 14.. < > . > . > . Coal Wet Gas Clean-Up Gypsum recovery Gasifier Porous Filter Combustor Air HRSG Gas Turbine Steam Turbine Unburned Coal G. Slag Air HRSG. Stack Air is utilized M Gasifier for burning coal Boost-up N2 O2 Compressor ASU ASU of Air-blown IGCC is relatively small.. Mainly N2 is utilized for coal and char transport Copyright Joban Joint Power Co., Ltd 15.. NH3 HCl . H2S .. CO H2 CO H2. NH3 H2S.. N2 HCl N2.. NH3 HCl H2S. Copyright Joban Joint Power Co., Ltd 16. IGCC .. 1700t/d 250MW (2007-2013). 10 .. 200t/d 25MW (1991-1996). Process development unit - . 2t/d(1983-1995).. 24t/d (1998-2002).

4 CRIEPI: Central Research Institute of Electric Power Industry Copyright Joban Joint Power Co., Ltd 17. IGCC 10 .. HRSG . G.. HRSG.. M .. ASU . (ASU) GT .. IGCC . Copyright Joban Joint Power Co., Ltd 18. IGCC 10 . 250 MW. 1,700 t .. (MDEA)+ . 1200 (50Hz). 48% (LHV) 46% (HHV).. 42% (LHV) (HHV). SOx 8 ppm . NOx 5 ppm (16%O2 ).. 4 mg/m3N. IGCC 1,500 GT 48 50 . IGCC 1,200 GT . Copyright Joban Joint Power Co., Ltd 19. IGCC 10 .. HRSG .. & .. Copyright Joban Joint Power Co., Ltd 20. 10 .. Copyright Joban Joint Power Co., Ltd 21.. 19 20 2 22 23 24 . GT 2000 5000 5000 . 250MW . ( . ).. 5000 .. Copyright Joban Joint Power Co., Ltd 22.. 250MW H20/3 .. H20/3 . SOx 8ppm NOx 5ppm SOx NOx 4mg/ 3N 3N. 2000 3 2,238 H23/11 .. 3,917 H25/12 . PRB .. 42 H21/1 . 5000 H22/6 . 5000 .. 6 .. H23/3 .. ( 15 36 .. 3 / . Copyright Joban Joint Power Co., Ltd 23. 2008 3 .. 15 . 250 MW MW. MW MW. MW MW. (LHV) 42 % %.)

5 MJ/m3N MJ/m3N. CO % %. CO2 % %. H2 % %. CH4 % %. N2 & Others % < >. (16% O2 ) SOx 8 ppm NOx 5 ppm ppm 4 mg/m3N < mg/m3N. 2008 3 (250MW) . Copyright Joban Joint Power Co., Ltd 24.. (A) (A) (B) (A) (C) (B) (C . 2009 1 2009 1 2009 3 2010 9 2011 9 2011 12 2012 1 2012 10 2013 1. (air dry) kJ/kg 27,120 26,670 26,370 23,010 28,090 26,560 29,620 25,910 26,790. (as received) wt% (air dry) wt% (air dry). wt% wt% wt% wt% deg C 1,225 1,420 1,260 1,230 1,390 1,450 1,570 1,365 1,290.. Copyright Joban Joint Power Co., Ltd 25. IGCC .. IGCC . 1,100 1,200 1,300 1,400 1,500 1,600 1,700.. Copyright Joban Joint Power Co., Ltd 26. IGCC . 2013 3 31 .. IGCC .. IGCC . 2013 4 1 .. 10 . 6/28 12/8 3,917 . Copyright Joban Joint Power Co., Ltd 27. 10 . IGCC 2013 6/28 12/8 3,917 . IGCC IGCC . 3,287 . Copyright Joban Joint Power Co., Ltd 28. IGCC .. 50 kW IGCC 1 .. 54 kW IGCC.. 2017 4 2020 . IGCC . (40%) (40%).)

6 (10%) (5%) . (5%). Copyright Joban Joint Power Co., Ltd 29.. 10 . 250 540MW.. 42 48 . LHV .. 1200 1400 . Copyright Joban Joint Power Co., Ltd 30. 540MW IGCC.. 250MW 10 . IGCC. 31. Copyright Joban Joint Power Co., Ltd 31. 540MW IGCC.. Copyright Joban Joint Power Co., Ltd 32. CCS CO2 . Pre-combustion Type CCS CO2 . CO2 . CO2 . IGCC CCS CCS-Ready . CO CO2. H2 H2 H2.. CO2. CO .. CO2.. H2O. Copyright Joban Joint Power Co., Ltd 33.. 70 %. 60 %.. IGFC). 50 %. IGCC).. a : . ( ) A-USC. 40 %. b: 250at 600/600 USC. (4%) 246at 538/566 . 30 %. c: . 169at 566/566 . (3%) . 20 127at 538 %. 42at 450 . 10 %. 10at 268 . b a c %. 1700 1750 1800 1850 1900 1950 2000 2050 2100.. Copyright Joban Joint Power Co., Ltd 34.. Copyright Joban Joint Power Co., Ltd 35.