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Proceedings of the 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017)

ISSN: 2688-7231 (Online)

FAVORABLE THERMODYNAMICS IN HIGH TEMPERATURE CARBON CAPTURE USING COAL FLY-ASH DOPED SORBENTS

Bolisetty Sreenivasulu
Department of Chemical Engineering, BITS Pilani Hyderabad Campus, Shameerpet, Hyderabad-78, India

Inkollu Sreedhar
Department of Chemical Engineering, BITS Pilani Hyderabad Campus, Shameerpet, Hyderabad-78, India

Kondapuram Vijaya Raghavan
Reaction Engineering Laboratory, Indian Institute of Chemical Technology, Tarnaka, Hyderabad, India

DOI: 10.1615/IHMTC-2017.400
pages 291-296

要約

Global warming and hydrogen energy economy has brought an industrial importance worldwide for the CO2 capture. Ecofriendly sorbents of mineral origin doped with industrial waste inorganic materials (coal fly ash) were analyzed for high temperature CO2 capture with thermodynamic feasibility. Thermodynamic properties of multi cyclic (carbonation-regeneration cycle) stability upto 20 cycles for CO2 capture and Gibbs free energy vs temperature of sorbent studies for inversion temperature were discussed. Characterization studies of doped sorbent includes optical microscopic, SEM, EDX and XRF analysis. Optimal alkalinity ratio of lime (CaO) with MgO and othersilicates were analyzed.

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