Atwarie, Rossi2008-11-212008-11-212008-11-21https://hdl.handle.net/2139/506enPlease contact the West Indiana Division at the University of the West Indies,St.Augustine in order to view the full thesis. Contact: wimail@sta.uwi.eduPetroleum chemicals industry -- Environmental aspects -- Trinidad and TobagoPetroleum waste -- Trinidad and TobagoSewage -- Purification -- Oil removalDesign of a spent naphthenic caustic treatment plant for an oil refineryThesis