Improvement of Oxy-FBC Using Oxygen Carriers: Concept and Combustion Performance
| Autor: | Robin W. Hughes, Dennis Y. Lu, Robert T. Symonds |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Sorbent
Waste management Atmospheric pressure 020209 energy General Chemical Engineering Energy Engineering and Power Technology chemistry.chemical_element 02 engineering and technology Combustion Oxygen Fuel Technology chemistry Fluidized bed 0202 electrical engineering electronic engineering information engineering Combustor Fluidized bed combustion Chemical looping combustion |
| Zdroj: | Energy & Fuels. 31:10101-10115 |
| ISSN: | 1520-5029 0887-0624 |
| Popis: | Fluidized bed combustors generally exhibit good mixing characteristics, but there can be localized regions where there is insufficient oxygen to fully combust the fuel. Through incorporation of an oxygen carrier into a high pressure, pulverized fuel based oxy-fluidized bed combustor it should be possible to reduce or eliminate regions with insufficient oxygen present to complete combustion. In this paper we investigate the use of a Canadian ilmenite ore based oxygen carrier to enhance combustion performance and sulfur capture for atmospheric and pressurized oxy-FBC systems. The paper includes a description of potential pressurized system configurations with a discussion of related benefits and potential challenges. CanmetENERGY’s 50 kWth pilot scale atmospheric pressure oxy-fluidized bed combustor (oxy-FBC) was used to demonstrate the concept of oxygen carrier assisted combustion using two Canadian coals with under bed fuel and sorbent injection. The CO emissions were significantly reduced by replacing th... |
| Databáze: | OpenAIRE |
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