Wastewater treatment with natural clinoptilolite: A new additive

D. Kalló, J. Papp

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

An additive for removal of PO43-, increasing the biological activity and sedimentation rate of sludge in wastewater treatment was evaluated using materials of low price such as clinoptilolite-containing rock, FeSO4.7H2O and lime stone. Dry grinding at ambient temperature as an economic technology was applied. Mechanochemical transformations proceeded in the course of grinding and resulted in formation of iron(III)-oxide-hydroxide being able to react quantitatively with the phosphate in the sewage. Transformations were followed by XRD and Mössbauer spectroscopy revealing the existence of such iron species.

Original languageEnglish
Pages (from-to)699-706
Number of pages8
JournalStudies in Surface Science and Catalysis
Volume125
Publication statusPublished - 1999

Fingerprint

grinding
Sewage
Bioactivity
Iron oxides
Sedimentation
Lime
Wastewater treatment
Phosphates
Iron
Rocks
Spectroscopy
rocks
iron
sewage
Economics
sludge
calcium oxides
activity (biology)
ambient temperature
hydroxides

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Catalysis

Cite this

Wastewater treatment with natural clinoptilolite : A new additive. / Kalló, D.; Papp, J.

In: Studies in Surface Science and Catalysis, Vol. 125, 1999, p. 699-706.

Research output: Contribution to journalArticle

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