简介：Theisothermaladsorptionofdyesonavarietyofsisalbasedactivatedcarbonfibers(SACFs),andtheinfluenceofpHandtemperatureonadsorptionarediscussedinthispaper.Theresultsindicatethattheadsorptionofmethyleneblue,crystalvioletandEriochromeblueblackRonSACFsshowstypeIisothermsandcanbedescribedbytheLangmuirequationortheFreudlichequation.Theacidityofsolutionhasgreatlyinfluenceovertheadsorptionamountsofmethyleneblue,crystalvioletandEriochromeblueblackR.AspHsofthesolutionswereadjustedtoincreaseordecreasefromtheoriginalacidityofthesolution(4.7,4.1and4.0formethyleneblue,crystalvioletandEriochromeblueblackR,respectively),theamountsofdyesadsorbedonSACFsincreased.Theadsorptiontemperature(intherangeof25-50℃)exertslittleinfluenceontheadsorptionamountofmethyleneblue,crystalvioletandfluorescein.Forazodyes(EriochromeblueblackRandEriochromeblackT),however,theadsorptionamountincreasesslightlywiththeelevationoftemperature.