Oil -water interfacial viscosity for aqueous mixture of cetyltrimethylammonium bromide(CTAB ) and partially hydrolyzed polyarcylamide(HPAM) was studied. The results showed that interfacial viscosity dependends on the ...Oil -water interfacial viscosity for aqueous mixture of cetyltrimethylammonium bromide(CTAB ) and partially hydrolyzed polyarcylamide(HPAM) was studied. The results showed that interfacial viscosity dependends on the shearing rate and the hydrolysis degree of HPAM, the interfacial viscosity decreases with surfactant concentration A higher interfacial viscosity favors to enhance the emulsification stability of the aqueous mixture of HPAM and CTAB. Based on the experimental results, an explantion for CTAB-HPAM interaction at oil-water interface has been proposed.展开更多
文摘Oil -water interfacial viscosity for aqueous mixture of cetyltrimethylammonium bromide(CTAB ) and partially hydrolyzed polyarcylamide(HPAM) was studied. The results showed that interfacial viscosity dependends on the shearing rate and the hydrolysis degree of HPAM, the interfacial viscosity decreases with surfactant concentration A higher interfacial viscosity favors to enhance the emulsification stability of the aqueous mixture of HPAM and CTAB. Based on the experimental results, an explantion for CTAB-HPAM interaction at oil-water interface has been proposed.
文摘设计了油水界面动态检测系统.利用数控执行机构带动微波探头在原油储罐内作垂直匀速运动,通过对原油储罐含水率的动态检测,准确地反映出油水乳化带的状态和位置信息,测量出储罐内油水界面的位置,从而确定储罐内原油、水和乳化液层的位置和体积.采用400 MHz激励信号的微波探头,可实现0～100%原油含水率的动态测定,含水率测量误差≤±2%.在20 m范围内,油水界面的位置测量误差小于±10 mm.
