As can be seen from Figure 3 a, the apparent viscosity of the suspension showed a trend of decreasing and then increasing with the increase in the mass of F-Silica, and the apparent viscosity of the suspension reached a minimum of 136.00 mPa·s at its addition of 0.40 g/60.00 g.
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Preparation of Cationic Polyacrylamide Suspension and Its Application in Oilfield Wastewater Treatment.
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