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31. 发明申请

WO01077032A1 BIOFILTERING DEVICE FOR TREATING WASTEWATER 审中-公开
标题翻译：用于处理废水的生物装置
公开(公告)号：WO01077032A1
公开(公告)日：2001-10-18
申请号：PCT/CA2001/000436
申请日：2001-03-30
IPC分类号： C02F3/04
CPC分类号： C02F3/043 , C02F3/046 , Y02W10/15
摘要： A biofiltering device (10) for treating wastewater comprises a housing (22) having an inlet (40) for receiving the wastewater to be treated and an outlet for discharging the treated wastewater, a bed of peat (38) disposed inside the housing between the inlet and outlet, the peat defining a biofiltering medium having a predetermined biofiltering capacity, and an air vent (70) for aerating the peat. The device further includes a fluid flow control system (42) arranged over the bed of peat (38) and in fluid flow communication with the inlet, for distributing the wastewater through the bed of peat in a manner such that when the wastewater enters the system at a flow rate greater than the biofiltering capacity of the peat, the wastewater discharged from the system flows through the bed of peat at a flow rate no greater than the biofiltering capacity. The biofiltering device according to the invention enables one to efficiently treat incoming wastewater irrespective of its flow rate.
摘要翻译：一种用于处理废水的生物过滤装置（10）包括具有用于接收待处理废水的入口（40）和用于排出经处理的废水的出口的壳体（22），设置在壳体内的泥炭床（38）入口和出口，泥炭限定具有预定生物过滤能力的生物过滤介质，以及用于使泥炭充气的排气口（70）。该装置还包括布置在泥炭床（38）上并与入口流体流动连通的流体流动控制系统（42），用于以废水进入系统的方式分配废水通过泥炭床以大于泥炭生物过滤能力的流速，从系统排出的废水以不大于生物过滤能力的流速流过泥炭床。根据本发明的生物过滤装置使得能够有效地处理进入的废水，而不管其流量如何。

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