Effect of temperature on gasification performance and sodium transformation of Zhundong coal
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- 作者：Haixia Zhanga ; zhanghaixia@iet.cn" class="auth_mail" title="E-mail the corresponding author ; Xuewen Guoa ; b ; Zhiping Zhua
- 关键词：Zhundong coal ; Sodium transformation ; Agglomeration ; Fluidized bed gasification ; Gasification performance
- 刊名：Fuel
- 出版年：2017
- 出版时间：1 February 2017
- 年：2017
- 卷：189
- 期：Complete
- 页码：301-311
- 全文大小：2450 K
文摘
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A high sodium Zhundong coal was gasified in a novel design of fluidized bed gasifier.
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Zhundong coal shows good gasification performance due to the catalytic effect of sodium in coal ash.
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The experimental results are in accordance with the ternary phase diagram prediction of Na2O-SiO2-Al2O3.
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Ways of inhibiting agglomeration are proposed for high sodium coal gasification.
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The formation of high melting point sodium-containing compound NaAlSiO4 is the essence to inhibit agglomeration.