Shell Coal Gasification Technology

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SCGP – ash properties tested at SCGP-1 Ash minerals P 2 O 5 , wt% 01 0.1–1.5 15 SiO 2 , wt% 24.4–56.6 Fe 2 O 3 , wt% 5.5–27.8 Al 2 O 3 , wt% 9.5–33.3 TiO 2 , wt% 0.6–2.1 CaO, wt% 1.4–24.5 MgO, wt% 0.3–3.7 SO 3 , wt% 0.9–33.1 K 2 O, wt% 0.1–3.9 Na 2 O, wt% 0.1–3.1 Flux If required a flux(such as limestone) is added to optimise the gasification temperature and oxygen consumption! Ash melting temperatures at reducing atmosphere Fluid point, °C 1,190– >1,500 <strong>Shell</strong> Global Solutions 24
Partial water quench – process flow Water quench Dry solids removal Process condensate Wet scrubber Raw syngas to shift Fly ash N 2 /CO 2 Oxygen coal Bleed Slag <strong>Shell</strong> Global Solutions 25
Page 1 and 2: Shell Global Solutions Shell Coal G
Page 3 and 4: Shell gasification processes - oper
Page 5 and 6: Shell gasification processes - feed
Page 7 and 8: SCGP - membrane wall, protected by
Page 9 and 10: SCGP - advantages • High availabi
Page 11 and 12: Nuon IGCC, Buggenum, the Netherland
Page 13 and 14: SCGP - Coal properties operated at
Page 15 and 16: Nuon IGCC plant, clean coal technol
Page 17 and 18: Buggenum - availability of SCGP and
Page 19 and 20: SCGP - membrane wall gasifier manuf
Page 21 and 22: SCGP-1 in Deer Park (USA) Capacity
Page 23: SCGP - coal properties tested at SC
Page 27 and 28: SCGP water quench - a change for th
Page 29 and 30: General IGCC SGC compared with wate
Page 31 and 32: Back-up slides Back-up slides Shell
Page 33 and 34: SCGP - dry versus slurry feed: cons

Shell Coal Gasification Technology

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