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Citation: WANG Hui-Yun, LI Ming-Yuan, WU Zhao-Liang, LIN Mei-Qin, DONG Zhao-Xia. Effects of Petroleum Sulfonate,HPAM and pH Value on Zeta Potential of Sodium Montmorillonite Suspensions[J]. Chinese Journal of Applied Chemistry, ;2005, 22(8): 915-917. shu

Effects of Petroleum Sulfonate,HPAM and pH Value on Zeta Potential of Sodium Montmorillonite Suspensions

1.
a EOR Research Center, University of Petroleum, Beijing 102249;
2.
b Jining Medical College, Jining

Corresponding author: WANG Hui-Yun,
Received Date: 22 October 2004
Available Online: 16 January 2005
Fund Project: 国家重点基础研究专项经费资助项目(G1999022505) (G1999022505)

The effects of petroleum sulphonate,HPAM and pH value on the zeta potential of Na-montmo-rrillonite suspensions were investigated,and orthogonal design of experiment was used to study the effect of these factors on the zeta potential of montmorillonite suspensions when the three factors existed simultaneously.The results show that the zeta potential of montmorillonite becomes more negative with the increase of the concentration of petroleum sulphonate,that of HPAM,and the pH value.Moreover,F_pH=13.3(>F_0.01=9.78),F_HPAM=7.73(>F_0.05=4.76) and F_{petroleum sulfonate}=3.05 when the three factors co-exist,thus the effect of pH value on the zeta potential of montmorillonite is the most prominent factor,the HPAM a less prominent factor,and the petroleum sulphonate is least prominent.
- zeta potential,
- orthogonal test,
- Na-montmorillonite,
- HPAM,
- petroleum sulphonate,
- pH value
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