?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.cej.2015.09.017&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S.&rft.au=Nasir+Shah%2C+S.&rft.aulast=Nasir+Shah&rft.title=Chemical+Engineering+Journal&rft.date=2016&rft.volume=284&rft.issn=13858947&rft.pages=487-493&rft.atitle=Extraction+of+naphthenic+acid+from+highly+acidic+oil+using+phenolate+based+ionic+liquids&rft.genre=article