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A marine biological undewater depuration system (MUDS) to process waste waters

机译:用于处理废水的海洋生物水下净化系统(MUDS)

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摘要

An underwater device, able to favour the sea auto-cleaning capacities, is herein described. This system, called MUDS (marine underwater depuration system), consists of a percolating filter and is placed at sea over an urban sewage outflow of a submarine pipeline. Due to the density difference, the water effluent flows through the percolating filter: this favours the mixing and a prompt recycling of organic matter, activating a marine trophic web. Rich microbenthic communities develop on the MUDS, both interstitially, inside the filter, and on the structure. The community mainly consists of ciliates, nematods, harpacticoid copepods and polychaetes, all of which being organisms that increase the depuration efficiency by consumption of organic matter. This structure acts also as a deterrent for the illegal trawling activity in the area, and attracts large numbers of several finfish species, thus working as a fish aggregating device (FAD). It is possible to utilise this underwater device for medium littoral towns with strong differences in effluent discharges during the year, where the use of land-built effluent treatment plants is too expensive.
机译:本文描述了一种能够有利于海洋自动清洁能力的水下装置。该系统称为MUDS(海洋水下净化系统),由渗透过滤器组成,并被放置在海底管道的城市污水出口上方的海上。由于密度差异,废水流过渗滤池:这有利于有机物的混合和迅速回收,从而活化了海洋的营养网。 MUDS在滤池内部,结构上和结构上均会形成丰富的微底栖动物群落。该群落主要由纤毛虫,线虫,类立足类co足类动物和多壳类动物组成,所有这些都是通过消耗有机物提高净化效率的生物。这种结构还可以阻止该地区的非法拖网活动,并吸引了大量有鳍鱼类,因此可以作为鱼的聚集装置(FAD)。在一年中污水排放量差异很大的中等沿海城镇中,可以使用这种水下设备,因为在这些地方,土地建造的污水处理厂的使用过于昂贵。

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