The dynamic interfacial tension at crude oil/water interface was studied by drop volume method at different temperatures and concentration of demulsifier.

• 采用液体体积法测定了原油/水体系在不同温度和不同破乳剂浓度下的非平衡态界面张力,并对水相不同离子价态对界面张力的影响进行了研究。