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Influence of Water Leaching on Alkali-induced Slagging Properties of biomass straw

LIU Yan-jing YAN Ting-gui AN Yan ZHANG Wei DONG Yang

LIU Yan-jing, YAN Ting-gui, AN Yan, ZHANG Wei, DONG Yang. Influence of Water Leaching on Alkali-induced Slagging Properties of biomass straw[J]. Journal of Fuel Chemistry and Technology. doi: 10.1016/S1872-5813(21)60147-0
Citation: LIU Yan-jing, YAN Ting-gui, AN Yan, ZHANG Wei, DONG Yang. Influence of Water Leaching on Alkali-induced Slagging Properties of biomass straw[J]. Journal of Fuel Chemistry and Technology. doi: 10.1016/S1872-5813(21)60147-0

doi: 10.1016/S1872-5813(21)60147-0
详细信息
  • 中图分类号: TK6

Influence of Water Leaching on Alkali-induced Slagging Properties of biomass straw

Funds: National Natural Science Foundation of China (21808045), The Natural Science Foundation of Guizhou Province (Guizhou Science and Technology platform talents [2018]5781, [2019]1230, [2019]1066
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  • Figure  1  Ash fusion characteristics of biomass straw ash

    Figure  2  Changes of metal concentration in straw ash before and after water leaching

    Figure  3  XRD pattern of low temperature ashing biomass, (a)corn straw, (b)rice straw

    Figure  4  TG and DTG diagrams of pretreated and untreated straw

    (a)corn straw TG, (b)corn straw DTG, (c)rice straw TG, (d)rice straw DTG

    Figure  5  Changes in the concentration of metal ions during pyrolysis of biomass at different temperatures

    (a)corn straw, (b)washed corn straw, (c)rice straw, (d)washed rice straw

    Figure  6  K+ concentration changes at different temperatures

    (a)corn straw, (b)washed corn straw, (c)rice straw, (d)washed rice straw

    Figure  7  XRD of biomass at different combustion temperatures,

    (a) corn straw, (b)washed corn straw, (c)rice straw, (d)washed rice straw

    Table  1  Proximate and ultimate analysis of straw ash

    Sample
    Proximate analysis(wad%)Ultimate analysis(wdaf%)
    MVA FCCHO*NSt
    Corn straw10.3469.164.6715.8342.935.850.670.470.13
    Rice straw9.7261.4414.0814.7637.125.3156.990.520.06
    下载: 导出CSV

    Table  2  Ash composition of straw ash

    SampleSiO2K2OCaOMgONa2OAl2O3Fe2O3P2O5TiO2SO3
    Corn straw
    %/(mass)
    43.74027.72010.29011.6700.1380.4300.3022.2900.0312.680
    Rice straw
    %/(mass)
    62.60023.0604.9302.9300.1760.4540.3751.3500.0300.445
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-04-06
  • 修回日期:  2021-06-08
  • 网络出版日期:  2021-08-31

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