Download Complete PDF - apctt
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Figure 3-8: Goal 2 – New clean technologiesNew power generation technologiesConduct athoroughstudy onnew energytechnologiesShortlistChoice 1ShortlistChoice 2Large-scalemultiplicationmodelsFigure 3-9: Goal 3 – Improved capabilities in critical technologiesImproving thermal efficiency in pulverized coal andultra-supercritical pulverized coal technologies660Operating temperature (deg. C)62045%Ultrasupercritical+NoveltechnologiesLargescale58053535-36%Near-term Mid-term Long-termSupercritical,coal blends37-38%Increasingsteamparameters38-40%SupercriticalCoal gasification,multi-feed42%SecondreheatUltra supercritical,IGFC (fuel cell +gas turbine),carbon capture43%SupercriticalEfficiency vs. AvailabilityConversion efficiencies of various technologies, in both power and transport sectors,are given in Figure 3-10. It can be seen that integrated gasification combined cycle(IGCC) and other such technologies offer the highest conversion efficiencies. Need forcapture and sequester carbon would further make gasification-based technologies moreattractive in the future.96