摘要：

Many industriesaveigheavyetalsoncentrations inheir effluentshathouldereatedefore disposal in drainsr natural watercourses. Whendsorption process is evaluatedo generatend implementn efficient, economicalndustainableethoduitableoreavyetalsemovalromontaminated effluents, it is necessaryo developn experimentaletuphatontainshedsorbent.lva lactuca,arine greenlga, wastudieds naturaliosorbentoreavyetalstcid pHonditions.dsorption experiments werearriedut in glassolumnsnd inatch wherehelga wasuspendedrixed inngaratrix. Langmuirndreundlichodels wereppliedohe experimentalesults. Langmuirodelest describeshedsorption isotherms inllnalyzedases.hedsorptionapacity increases with pH. Kinetictudies demonstratehat, inosttudiedases,hedsorptionollows pseudoecondrder kineticsodel.emoval efficienciesfheiomaterialupported ingarrixed inolumns were:ixed inolumns >uspended inatchode >ixed ingar.inally,he effectfhe presencefwoorbates,dnd Pb, inheolution waseasuredndesults demonstratehatdsorptionfothetalsre diminishedyo/adsorption.

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