METHOD OF REMOVING PETROLEUM PRODUCTS FROM LIQUIDS Russian patent published in 2003 - IPC

Abstract RU 2202519 C1

FIELD: oil pollution elimination. SUBSTANCE: liquid is filtered through porous elastic polyurethane foam bed, whose density is maintained within a range of 140 to 170 kg/cu.m imposing preliminary compaction. Filtration process is conducted at velocity 4- 6.5 m/h and filtering charge is regenerated by double mechanical pressing with intermediate washing with small volume of filtrate. EFFECT: enhanced process efficiency and prolonged filtration cycle. 1 tbl

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RU 2 202 519 C1

Authors

Jablokova M.A.

Petrov S.I.

Dates

2003-04-20—Published

2001-07-20—Filed