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Physiochemical Effect of Aquatic Plants in Wastewater

Yanqing Huang

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Abstract

The growth and physiological properties of 5 high aquatic plants in waste water were compared in the manipulative indoor experiment.The results showed that Acorus calamus,Monochoria korsakowii,and Lythrum salicaria grewbetter than Alisma plantago-aquatica and Sagittaria sagittifolia.The treatment system with hydrophytes had a higher removal efficiency to total nitrogen(TN) and total phosphorus(TP) than that without hydrophytes.Except S.sagittifoli,the four plants had remarkable effects on removing TN and TP from the wastewater.The removal rates to TN were over 90 %.The removal rates of the four plants to TP were 96.13%,83.61%,75.84%,and 77.70%,respectively still the end of the experiment.Chla,Chlb Chl(a+b),and soluble protein contents of the five plants increased significantly in the early period.With the water quality improving,most physiological indices of the five plants were closed to the steady level before the experiment.

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What this paper is about

The growth and physiological properties of 5 high aquatic plants in waste water were compared in the manipulative indoor experiment.The results showed that Acorus calamus,Monochoria korsakowii,and Lythrum salicaria grewbetter than Alisma plantago-aquatica and Sagittaria sagittifolia.The treatment system with hydrophytes had a higher removal efficiency to total nitrogen(TN) and total phosphorus(TP) than that without hydrophytes.Except S.sagittifoli,the four plants had remarkable effects on removing TN and TP from the wastewater.The removal rates to TN were over 90 %.The removal rates of the four plants to TP were 96.13%,83.61%,75.84%,and 77.70%,respectively still the end of the experiment.Chla,Chlb Chl(a+b),and soluble protein contents of the five plants increased significantly in the early period.With the water quality improving,most physiological indices of the five plants were closed to the steady level before the experiment.

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Available abstract

The growth and physiological properties of 5 high aquatic plants in waste water were compared in the manipulative indoor experiment.The results showed that Acorus calamus,Monochoria korsakowii,and Lythrum salicaria grewbetter than Alisma plantago-aquatica and Sagittaria sagittifolia.The treatment system with hydrophytes had a higher removal efficiency to total nitrogen(TN) and total phosphorus(TP) than that without hydrophytes.Except S.sagittifoli,the four plants had remarkable effects on removing TN and TP from the wastewater.The removal rates to TN were over 90 %.The removal rates of the four plants to TP were 96.13%,83.61%,75.84%,and 77.70%,respectively still the end of the experiment.Chla,Chlb Chl(a+b),and soluble protein contents of the five plants increased significantly in the early period.With the water quality improving,most physiological indices of the five plants were closed to the steady level before the experiment.

Key concepts: Acorus calamus, Aquatic plant, Biology, Wastewater, Macrophyte, Water quality, Botany, Agronomy

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