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公开(公告)号：US07108782B1
公开(公告)日：2006-09-19
申请号：US10607143
申请日：2003-06-27
CPC分类号： C02F3/1273 , C02F1/32 , C02F11/06 , C02F11/12 , C02F2103/008 , C02F2203/008 , C02F2209/005 , C02F2209/42 , C02F2303/12 , Y02W10/15
摘要： Shipboard wastewater undergoes treatment within an automatic system based on membrane bioreactor technology. Bacteria that are naturally present in the raw waste stream break down during treatment and consume organic material in the wastewater. Membranes in a bioreactor within which the wastewater is treated provide a physical barrier, retaining the bacteria and other solids while producing an effluent sufficiently clean to be discharged directly overboard. To ensure adequate treatment, a flow-through ultraviolet disinfection unit is employed in the system downstream of filtration. Inorganic and other non-biodegradable material that accumulates in the bioreactor with time is removed automatically to maintain the desired solids concentration in the bioreactor. Using selective control established through the operator interface, the system can be operated under automatic process/standby mode or maintenance mode, and sludge concentrate can be directed either overboard, to an onboard storage tank or to undergo further treatment within a concentration device or destruction within an incinerator for example, depending on the ship's equipment, location and operating conditions.
摘要翻译： 船用废水在基于膜生物反应器技术的自动化系统中进行处理。 原料废物中天然存在的细菌在处理过程中分解，并消耗废水中的有机物质。 处理废水的生物反应器中的膜提供物理屏障，保留细菌和其他固体，同时产生足够清洁的流出物直接排放到船外。 为了确保适当的处理，在过滤下游的系统中使用流通的紫外线消毒装置。 随时间积累在生物反应器中的无机和其他不可生物降解的材料被自动去除以保持生物反应器中所需的固体浓度。 使用通过操作员界面建立的选择性控制，系统可以在自动处理/待机模式或维护模式下运行，并且污泥浓缩物可以被外部引导到船上储存罐，或者在浓缩装置内进行进一步处理或破坏 例如，焚化炉，取决于船舶的设备，位置和运行条件。
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