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| Selecting additives for optimum combustion performance of a new-type Jerusalem artichoke-bituminous coal solid biofuel pellets |
| Received:April 07, 2015 |
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| KeyWord:Jerusalem artichoke;bituminous coal;solid biofuel pellet;additive;combustion characteristics |
| Author Name | Affiliation | E-mail | | CHANG Zi-pan | College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China | | | GUO Jia-xun | College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China | | | ZHAO Geng-mao | College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China | seawater@njau.edu.cn | | WANG Chang-hai | College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China | |
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| Abstract: |
| Jerusalem artichoke biomass has been used to produce biofuel and can also improve the combustion performance of bituminous coal after adding to the coal. However, Jerusalem artichoke-bituminous coal solid biofuel pellets(JAC pellets) still produce large amount of slag during combustion. Here we examined the combustion characteristics of JAC pellets after mixing with MgCO3, CaCO3, Al2O3 and Al2Si2O5(OH)5 at 3%(m:m) to select additives for optimum combustion performance of JAC pellets. Results showed that adding additives decreased slagging rates to a great extent, while absorbed acid gases effectively. Addition of CaCO3 resulted in a significant reduction in ash content and Ringelman emittance. In summary, CaCO3 improved the combustion performance of the JAC pellets and could be a promising additive for JAC pellets. |
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