Abstract
The effect of sulfide on HPAM solution viscosity was studied using BROOKFIELD DV-II viscometer, and the interaction mechanism was discussed. The HPAM solution viscosity was investigated through fully reducing sulfide by the addition of hydrogen peroxide oxidation, and the mechanism of increasing polymer viscosity was investigated. The experimental results also show that there is a critical concentration of 15 mg/L. Below it, the loss rate of HPAM solution viscosity increases more rapidly, but becomes slowly above the critical concentration. A theoretical guidance for oilfields to prepare polymer solution using sewage-water by eliminating sulfide, and it is also importance to prepare polymer solution using sewage-water and save fresh water.
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Foundation item: Project(200873181) supported by NSFC; Project(2007AA06Z214) supported by the High-tech Research and Development Program of China; Project(20070704) supported by Taishan Scholars Construction Engineering
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Kang, Wl., Zhou, Y., Wang, Zw. et al. Mechanism of sulfide effect on viscosity of HPAM polymer solution. J. Cent. South Univ. Technol. 15 (Suppl 1), 115–117 (2008). https://doi.org/10.1007/s11771-008-0327-x
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DOI: https://doi.org/10.1007/s11771-008-0327-x