年轻褐煤水热液化实验研究

Dongfang Electric Review(2020)

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Abstract
本文在水热条件下考察了反应温度、初压、停留时间、煤水比等因素对昭通褐煤液化行为的影响.结果表明:提高反应温度能促进煤液化,油气产率和总转化率不断升高,但液化温度不宜过高,过高会增加气体产物的生成,380℃最适宜;适当延长停留时间可提高油气产率,但总转化率在高温条件下会降低;高的初压能促进活性氢生成,防止自由基聚合,提高煤液化率和油气产率;在本文研究范围内煤水比对褐煤液化行为的影响不大.
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