Heavy Metal Uptake Capacity By Floating Plant Island in Sail River Pekanbaru

Abstract

Heavy metal is one source of pollution from industrial waste. The presence of heavy metals can cause health problems and environmental problems. This research was conducted to determine the ability of floating plant islands to absorb heavy metals. This floating plant island consists of 3 different types of aquatic plants namely Hydrilla verticilata, Limnocharis flava and Echinodorus palifolius. The heavy metals measured were Pb, Cr, Cd, Zn, Cu and Fe. Measurement of heavy metals is carried out at 15 and 30 days interval. The results showed that the highest rate of absorption of heavy metals was Fe. In Hydrilla verticilata the absorption rate is 17,39 μg / g per day, Limnocharis flava is 2.22 mg / kg per day and Echinodorus palifolius is 2.63 mg / kg per day.

Keyword: Hydrilla verticilata; Limnocharis flava; Echinodorus palifolius

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