2013•Northern HorticultureRequires access

Effects of Acorus calamus on Nitrogen and Phosphorus Purification from Water

HU Zi-yi

Abstract

Using foam board with poles as planting plate,the effects of Acorus calamus on nitrogen and phosphorus purification were studied in sewages of three different concentrations.The results showed that after 30 days' experiment,Acorus calamus's removal rates of TN in low,middle,high concentration sewages were 60.3%,67.9%,73.9%,respectively.Acorus calamus's removal rates of NH4+-N in low,middle,high concentration sewages were 65.1%,68.2%,75.6%,respectively.Acorus calamus's removal rates of TP in low,middle,high concentration sewages were 52.8%,60.0%,62.6%.Acorus calamus showed the best removal rate of TN,NH4+-N,and TP for high concentration sewage,which could be used for biological/ecological rehabilitation of polluted water bodies.

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Key concepts: Acorus calamus, Calamus, Phosphorus, Nitrogen, Chemistry, Biology, Botany, Rhizome