Modified zeolites: Pretreatment of natural zeolites by use of inorganic salts

Vassilis J. Inglezakis

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)

Abstract

Pretreatment of natural zeolites covers a wide range of modification techniques leading in several products to a variety of applications. A very common pretreatment type is used for producing modified zeolites for use in ion exchange applications and in particular for the removal of cations from aqueous solutions. In these cases, pretreatment aims to remove certain ions from the structure of the material and locate more easily removable ones, prior to any ion exchange application. Practically, the result of any pretreatment operation is the increase of the content in a single cation, what is called homoionic form. The final homoionic or near homoionic state of the zeolites improves the effective exchange capacity and performance in ion exchange applications.

Original languageEnglish
Title of host publicationHandbook of Natural Zeolites
PublisherBentham Science Publishers
Pages156-165
Number of pages10
ISBN (Print)9781608054466
DOIs
Publication statusPublished - Dec 1 2012

Keywords

  • Breakthrough capacity
  • Chemical treatment
  • Effective capacity
  • Homoionic zeolite
  • Inorganic salts
  • Ion exchange capacity
  • Maximum exchange level
  • Modification
  • Modified zeolites
  • Physical treatment
  • Pretreatment

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

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  • Cite this

    Inglezakis, V. J. (2012). Modified zeolites: Pretreatment of natural zeolites by use of inorganic salts. In Handbook of Natural Zeolites (pp. 156-165). Bentham Science Publishers. https://doi.org/10.2174/978160805261511201010156