Adsorption of Phthalic Acid Esters from Seawater

Kevin F. Sullivan, Elliot L. Atlas, Choo Seng Giam

Research output: Contribution to journalArticlepeer-review

71 Scopus citations

Abstract

Controlled laboratory experiments have shown the influence of several factors on the adsorption of two phthalic acid esters. Di-n-butyl phthalate and bis(2-ethylhexyl) phthalate dissolved in seawater rapidly adsorb onto and desorb from three clay minerals, calcite, a sediment sample, and glass test tubes. The adsorption of phthalates is inversely related to the aqueous solubility of the two phthalates studied. An increase in the lipophilic character of the adsorbent or the salinity of the solution increases the amount of phthalate bound. The probable binding mechanisms include van der Waals forces and hydrophobic interactions.

Original languageEnglish (US)
Pages (from-to)428-432
Number of pages5
JournalEnvironmental Science and Technology
Volume16
Issue number7
DOIs
StatePublished - Jul 1 1982
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry

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