Aquaculture water treatment by ion-exchange: I. Capacity of hector clinoptilolite at 0·01-0·05 n

H. T. Dryden, L. R. Weatherley

Research output: Contribution to journalArticle

Abstract

The capacity of the naturally occurring zeolite clinoptilolite has been determined for the ions NH4+, K+, Ca2+ and Mg2+ in the range of total concentrations 0·01 n-0·05 n. The results show that the effective capacity of the zeolite varies according to the ionic species involved in the exchange. Maximum ion uptake was achieved for the exchanges Na+ NH4+ and Na+ K+ and the measured capacities for NH4+ and K+ were significantly greater than those measured for Ca2+ and Mg2+. The data provide a useful pointer to the use of clinoptilolite as a water treatment medium in recirculating aquaculture systems. © 1987.

Original languageEnglish
Pages (from-to)39-50
Number of pages12
JournalAquacultural Engineering
Volume6
Issue number1
Publication statusPublished - 1987

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