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OALib Journal期刊
ISSN: 2333-9721
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煤灰/k2co3/fe2o3对脱矿无烟煤燃点与燃烧速率的影响
, PP. 166-174
Keywords: 煤灰,催化剂,k2co3/fe2o3,燃点,燃烧速率
Abstract:
？考察了煤灰/k2co3/fe2o3及其之间的相互作用对酸洗无烟煤燃点和燃烧速率的影响。不同温度下制备的煤灰显示了不一样的性质（如化学组成、颜色和形貌）。脱矿无烟煤（负载和非负载催化剂）的燃烧反应性测试在热重分析仪（tg-dtg）中完成，结果表明，煤灰本身对酸洗无烟煤的燃点几乎没有影响，而高温下制备的煤灰能够明显提高酸洗无烟煤的燃烧速率。当煤灰和k2co3或者fe2o3的混合物加入酸洗无烟煤中作为燃烧催化剂时，可以看出与单独使用k2co3或fe2o3相比，煤灰的加入明显导致酸洗煤的燃烧速率下降，而对其燃点影响不大。同样，k2co3和fe2o3之间的相互作用也能够对酸洗无烟煤的燃烧速率产生负面影响。
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