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Research on Best Process Condition for Ultra-fine Coal Filtration Dewatering
Author(s): YANG Jingjing, DONG Xianzuo, YAO Suling, WEI Wenzuo, WANG Zhizhong
Pages: 34-
36
Year: 2009
Issue:
4
Journal: Goal Preparation Technology
Keyword: 超细粒煤; 过滤脱水; 滤饼水分; 过滤速度;
Abstract: 选煤过程中超细粒煤的数量剧增,会使过滤效果恶化,产品水分指标难以保证.文章主要研究了煤浆浓度、抽滤时间、煤浆pH值对超细粒煤过滤脱水效果的影响,从而确定过滤脱水的最佳工艺条件.试验结果表明:当煤浆浓度为300g/L、抽滤时间为3min、煤浆pH值为7.99左右时,过滤后滤饼水分较低,滤液的浊度较小,过滤速度也较快.
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