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Application of biosurfactant produced by an adaptive strain of C.tropicalis MTCC230 in microbial enhanced oil recovery (MEOR) and removal of motor oil from contaminated sand and water

Mira Debnath (Das) - No affiliation found

2018/11/01 Full-length article DOI: 10.1016/j.petrol.2018.06.034 Journal: Journal of Petroleum Science and Engineering

Abstract:

Highlights•Biosurfactant produced from an adaptive strain C. tropicalis MTCC230 was functionally characterized as surfactin.•It can significantly reduce the surface tension of water from 72 mN/m to 32 mN/m, with the critical micelle concentration (CMC) of 32.5 mg/l.•It was stable over wide range of pH(2–12), temperature (30ºC-90 °C) and salinity(2%–10%).•In sand-pack column experiment ∼39.80% additional oil was recovered (AOR) this shows its direct approach for MEOR in oil reservoirs.