Static adsorption of anionic surfactant onto crushed Berea sandstone

Muhammad Rizwan Azam, Isa M. Tan, Lukman Ismail, Muhammad Mushtaq, Muhammad Nadeem, Muhammad Sagir

    Research output: Contribution to journalArticlepeer-review

    105 Scopus citations

    Abstract

    Surfactant adsorption in porous media is one of the major criteria which decide the economic viability of surfactant flooding in chemical enhance oil recovery applications (CEOR). In this study, the static adsorption of a novel in-house synthesized anionic surfactant was investigated onto crushed Berea sandstone. The point of zero (PZC) charge for Berea sandstone and critical micelle concentration (CMC) of anionic surfactant are also reported in this paper. The investigated PZC for Berea core was at pH 8.0 and the maximum adsorption of anionic surfactant was 0.96 mg/g. Furthermore, the effects of alkali, salinity and temperature on static adsorption of anionic surfactant were investigated at variable conditions. It was concluded that the anionic surfactant performs better at higher pH, higher temperature and lower salt concentration. An effective control of all these parameters can lead to the situation which helps in minimizing the surfactant loss and improved economic efficiency of CEOR process.

    Original languageBritish English
    Pages (from-to)195-201
    Number of pages7
    JournalJournal of Petroleum Exploration and Production Technology
    Volume3
    Issue number3
    DOIs
    StatePublished - Sep 2013

    Keywords

    • Alkali effects
    • Berea
    • EOR
    • Static adsorption
    • Surfactant

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