Patent ID: 8376145
Filing Date: 2013-02-19
Classification: C02F,Y02W

Abstract:
1. A device for purification of water from particles of petroleum and/or petroleum-derived products, collectively called oil particles, said device comprising: a pump; a water dynamic processing unit (WDPU) substantially connected to said pump, said WDPU comprising a housing, said housing enclosing a through channel for passing a liquid flow of water containing said oil particles, said channel including: wherein said first section has an inner surface being in contact with said liquid flow, said inner surface of the first section includes a zone consisting of a plurality of protrusions and deepenings, wherein said protrusions each has a height, at least one of said protrusions has a maximal height greater than the heights of the other protrusions; said zone is adjacent to said minimal passage cross-section, said zone has a length L and a width K defined according to the following formulas: said WDPU is capable of operating under a pressure differential ranging from 0.1*10