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本文研究了脱水改性黑液作为泥浆助剂的使用性能．试验表明：它具有显著的降粘性、降滤失性、抗硬水性及抗盐性，是一种多效性泥浆助剂．
In this paper, the performance of dewatered black liquor as a mud additive is studied. Experiments show that: It has significant viscosity reduction, loss of filtration, resistance to hard water and salt resistance, is a pleiotropic slurry additives.