Citation: Hong De HUANG, You Zhen YANG, Ji Xin TANG, Cheng Quan HE, Rong Ming ZHANG, Song Mei ZHANG. PREPARATION,IDENTIFICATION AND INTERFACIAL ACTIVITIES OF PETROLEUM CARBOXYLATE AS SURFACTANT FOR CHEMICAL FLOODING[J]. Chinese Chemical Letters, ;1993, 4(4): 373-376. shu

PREPARATION,IDENTIFICATION AND INTERFACIAL ACTIVITIES OF PETROLEUM CARBOXYLATE AS SURFACTANT FOR CHEMICAL FLOODING

a Jianghan Petroleum Institute, Jiangling, Hubei 434102;
b Daqing Petroleum Institute, Anda, Heilongjiang 151400

Received Date: 27 October 1992

Petroleum carboxylate that may be suitable for tertiary oil recovery have been produced inexpensively from the fractions of Daqing crude oil by a two step process.The feed stock was first oxidized in the vapor phase,followed by reaction of the oxidized products with sodium hydroxide.Dilute solutions of sodium carboxylates were produced and show ultralow (10^-2mN/m) interfacial tensions (IFTs) against a variety of hydrocarbons with a wide range of ACN (Alkane Carbon Number).Infrared spectroscopy was used to identify the functional groups in the oxidized and the saponified products.
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