Reclamation of wastewater with a soil-turf filter. II. Removal of phosphorus, boron, sodium and chlorine

E. L. Anderson, Ian L Pepper, W. R. Kneebone, R. J. Drake

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Abstract

Secondarily treated wastewater was applied separately to sandy and siltaceous soil-turf filters to study relative removals of phosphorus, sodium, boron, and chlorine and the associated implications for groundwater recharge. Removal of phosphorus was greater in the siltaceous filter, but in both filters leachate phosphorus concentrations increased with rate of wastewater application and with time; amendment of soils with lime may be necessary to keep leachate phosphorus concentrations low. That neither filter retained boron indicates potential problems may arise if wastewater borate concentrations increase. Sodium adsorption ratios were 3 to 4, regardless of application rate or soil type, and seemed to pose no hazard. Leachate chlorine was undetectable; however, high-pH-induced iron chlorosis could be harmful to turf.

Original languageEnglish (US)
Pages (from-to)1408-1412
Number of pages5
JournalJournal of the Water Pollution Control Federation
Volume53
Issue number9
Publication statusPublished - Sep 1981

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ASJC Scopus subject areas

  • Pollution

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