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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0765494 (2013-02-12) |
등록번호 | US-8840783 (2014-09-23) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 470 |
A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a pluralit
A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.
1. A water treatment system comprising: a membrane module immersed in a liquid feed in a tank;a flow generating device positioned below the membrane module and having a first inlet fluidly connected to the liquid feed and an outlet fluidly connected to the membrane module; anda source of gas fluidly
1. A water treatment system comprising: a membrane module immersed in a liquid feed in a tank;a flow generating device positioned below the membrane module and having a first inlet fluidly connected to the liquid feed and an outlet fluidly connected to the membrane module; anda source of gas fluidly connected to a second inlet of the flow generating device, the flow generating device constructed and arranged to provide a two-phase gas/liquid flow that is random in at least one of magnitude, frequency, and duration to the membrane module,wherein the outlet of the flow generating device comprises a tube, and wherein the flow generating device comprises a trough constructed and arranged to contain at least one of liquid feed and gas and at least partially surrounds the tube. 2. The water treatment system of claim 1, wherein the tube comprises an inlet fluidly connected to the source of gas. 3. The water treatment system of claim 1, further comprising a control device configured to deliver gas from the source of gas to the flow generating device based on a level of the liquid feed in the tank. 4. The water treatment system of claim 1, further comprising a fluid distributor connected between the flow generating device and the membrane module. 5. The water treatment system of claim 1, wherein the two-phase gas/liquid flow is pulsed. 6. A water treatment system comprising: a membrane module immersed in a liquid feed in a tank;a flow generating device positioned below the membrane module and having a first inlet fluidly connected to the liquid feed and an outlet fluidly connected to the membrane module;a source of gas fluidly connected to a second inlet of the flow generating device, the flow generating device constructed and arranged to provide a two-phase gas/liquid flow that is random in at least one of magnitude, frequency, and duration to the membrane module; anda control device configured to deliver gas from the source of gas to the flow generating device based on a level of the liquid feed in the tank. 7. The water treatment system of claim 6, wherein the outlet of the flow generating device comprises a tube. 8. The water treatment device of claim 7, wherein the tube comprises an inlet fluidly connected to the source of gas. 9. The water treatment device of claim 6, further comprising a fluid distributor connected between the flow generating device and the membrane module. 10. The water treatment device of claim 6, wherein the two-phase gas/liquid flow is pulsed.
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