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Title: | Effect of biomass blending on coal ignition and burnout during oxy-fuel combustion |
Authors: | Arias Rozada, Borja ![]() ![]() ![]() ![]() |
Keywords: | Oxy-combustion Biomass Ignition Burnout |
Issue Date: | 20-Feb-2008 |
Publisher: | Elsevier |
Citation: | Fuel 87(12): 2753-2759 (2008) |
Abstract: | Oxy-fuel combustion is a GHG abatement technology in which coal is burned using a mixture of oxygen and recycled flue gas, to obtain a rich stream of CO2 ready for sequestration. An entrained flow reactor was used in this work to study the ignition and burnout of coals and blends with biomass under oxy-fuel conditions. Mixtures of CO2/O2 of different concentrations were used and compared with air as reference. A worsening of the ignition temperature was detected in CO2/O2 mixtures when the oxygen concentration was the same as that of the air. However, at an oxygen concentration of 30% or higher, an improvement in ignition was observed. The blending of biomass clearly improves the ignition properties of coal in air. The burnout of coals and blends with a mixture of 79%CO2–21%O2 is lower than in air, but an improvement is achieved when the oxygen concentration is 30 or 35%. The results of this work indicate that coal burnout can be improved by blending biomass in CO2/O2 mixtures. |
Description: | 7 pages, 7 figures, 1 table.-- Printed version published Sep 2008. |
Publisher version (URL): | http://dx.doi.org/10.1016/j.fuel.2008.01.020 |
URI: | http://hdl.handle.net/10261/10991 |
DOI: | http://dx.doi.org/10.1016/j.fuel.2008.01.020 |
ISSN: | 0016-2361 |
Appears in Collections: | (INCAR) Artículos |
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Effect_of_biomass_Arias.pdf | 93,54 kB | Adobe PDF | ![]() View/Open |
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