TITLE: The use of water hyacinth (Eichhornia crassipes) for controling cyanobacterias as well as the use of its biomass to produce bioenergy
KEYWORDS: sustainable, Eichhornia crassipes, cyanobacterias, eutrophication, biomass, bioenergy.
ABSTRACT: The lack of planning and the precariousness of plans for a sustainable urban and rural growth have affected directly the water resources in Brazil. One of these consequences is the rising eutrophication. This enrichment of the water masses provides a favorable environment fot the blooming of the cyanobacterias, and it releases a toxin that can cause an imbalance in the aquatic ecosystem, and even the death of living things, depending on the concentration. This work aims to focus on the combat of microalgae through the crop management of water hyacinth (Eichhornia crassipes).With the characteristic in the removal of phosphorus and nitrogen, together with a potential allelopathic, and using the appropriated techniques of management, it becomes possible the cultivation of this kind of culture and the use of the potential of this aquatic plant biomass gain for the production of bioenergy through the process of anaerobic biodigestion.