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Developments in green surfactants for enhanced oil recovery

Scientists are developing improved surfactants for enhanced oil extraction that have superior capabilities while being environmentally friendly and capable of strong operational tolerances to pH, salinity, and temperature.In laboratory tests, numerous green surfactants synthesized from vegetable oils and other plant-based materials matched or exceeded the capabilities of conventional synthetic surfactants. Plant-based zwitterionic surfactants are reported to have strong interfacial reduction values and operational tolerances