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掺配油泥制备水煤浆的实验研究

Coal Engineering(2017)

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Abstract
以白露煤样为对象,利用传统水煤浆制备方法和掺配油泥制备水煤浆方法分别进行成浆实验.研究发现,在一定的添加剂用量下,使用两种制浆工艺均可制得浓度C≥58%、粘度v≤1200mPa·s的水煤浆.在同样制浆条件下,掺配油泥制得的水煤浆稳定性更好,7d的析水率R≤7%、没有硬沉淀产生.掺配油泥制备的水煤浆性能良好,浓度、粘度、粒度分布和pH值等指标均满足德士古气化工艺要求.
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