Abstract:
PROBLEM TO BE SOLVED: To provide a turbid water treatment system capable of automatic supply and automatic water level management of turbid water to a filter tank by vacuum suction.SOLUTION: A turbid water treatment system 1 for treating turbid water including suspended matter comprises: a filter tank 10 sealed for filtering the turbid water; at least one filter material 26 for performing filtering treatment by soaking in the turbid water in the filter tank 10; a transfer flow passage 28 for transferring the turbid water to the filter tank 10 from a storage source of the turbid water; and a vacuum suction device 18 connected to the filter material 26. The turbid water treatment system 1 transfers the turbid water to the filter tank 10 from the storage source via the transfer flow passage 28, and sticks the suspended matter to a surface of the filter material 26, by forming negative pressure in the filter tank 10 via the filter material 26 by vacuum-sucking by the vacuum suction device 18.
Abstract:
PROBLEM TO BE SOLVED: To provide a device and method for purifying a large number of water including radioactive cesium efficiently and easily.SOLUTION: A purifying device comprises a purifying member unit including a zeolite paper sheet and a support medium for supporting the zeolite paper sheet, a water inlet for contaminated water including radioactive matter, and a water outlet for taking out water obtained by bringing the contaminated water into contact with the purifying member unit. The contaminated water comes into contact with the zeolite paper sheet by flowing parallel to a face of the zeolite paper sheet of the purifying member unit.
Abstract:
PROBLEM TO BE SOLVED: To provide a water area purification fence capable of appropriately and easily changing an area of a water purification region (or an amount of absorbent or a microorganism adhesion carrier) and the area of a flow rate adjustment region (or permeability or filterability) in accordance with a purification state with a simple operation.SOLUTION: A water area purification fence includes a float member, a water purification member, a flow rate adjustment member and connection means to connect the members. Each of the water purification member and the flow rate adjustment member are configured to be a unit component (a unit) having a shape of almost a rectangular flat panel. In the water area purification fence, a prescribed number of the water purification members and the prescribed number of the flow rate adjustment members are connected so as to collectively have the shape of almost a plain surface, and one or a plurality of the float members are connected to the plain surface.
Abstract:
PROBLEM TO BE SOLVED: To provide a vacuum suction treatment method in which arrival time to a vacuum is short, and with which vacuum suction can be performed at a high vacuum degree and at a high displacement with simple constitution, in turbid water treatment, sludge dewatering solidification treatment or soft ground improvement treatment.SOLUTION: In the vacuum suction treatment method, the turbid water treatment, sludge dewatering solidification treatment or soft ground improvement treatment is performed by using an ejector of generating negative pressure with driving water and performing vacuum suction.
Abstract:
PROBLEM TO BE SOLVED: To provide a filtration system of which a filter medium is easily back-washed. SOLUTION: The filtration system is for obtaining treated water by filtering object water and includes a filtration apparatus having a filter medium, an ejector for suctioning treated water from the filtration apparatus by generating negative pressure by operating water, and a back-washing means for backward passing the operating water to back-wash the filter medium by closing the flow channel in the discharge side of the ejector. COPYRIGHT: (C)2011,JPO&INPIT