Abstract:
In Romania, there are two Natural Reservations Lakes Mangalia and Techirghiol with salt-water, near the Black Sea, which confront with new environmental problems. In the last decades appeared infiltration with fresh-water, due to the local earthquakes. As an immediate effect, new types of vegetation develop, leading to a complex eutrophication process. The appeared excessive sludge perturbs the ecologic balance of the existent active one. This one is well known, since 200 years for its human therapeutically effect. The present paper presents a prototype, patent pending in Romania, of an autonomic pilot station placed on a mobile pontoon, powered by photovoltaic panels, able to collect and partially dry the sludge from these natural lakes. First are mentioned the climate, the physical, and chemical conditions encountered in these areas, with environmental effects. Some words referring to the presently living conditions, for many birds, different species, many of them law-protected are described. Further, is detailed scheduled the prototype, realized to solve the local problem, mobile, energetic efficient, using solar panels, representing a technical and an ecological challenge, the only one efficiently in these natural reservations. The solution is implemented, and tested nowadays. The extracted sludge can be in short time integrally consumed for agricultural purpose, as ecologic and nutritive fertilizer, to restore the near agriculture lands. Finally, some conclusions, acknowledgement, and references are presented.
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