AERATION METHOD
A method and filtration module ( 5 ) for providing gas bubbles within an array of vertically disposed porous hollow membranes ( 6 ) to clean the outer surfaces of said membranes ( 6 ) when the array is immersed in a liquid by feeding ( 10 ) the gas bubbles into the array transversely of the vertical...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | A method and filtration module ( 5 ) for providing gas bubbles within an array of vertically disposed porous hollow membranes ( 6 ) to clean the outer surfaces of said membranes ( 6 ) when the array is immersed in a liquid by feeding ( 10 ) the gas bubbles into the array transversely of the vertical axis of the array. In one preferred form, the gas bubbles are retained within the array using a sleeve ( 11 ) surrounding the array ( 6 ) at least along part of its length. |
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