Oil/water separation apparatus for oil-containing mixture

Liquid purification or separation – Flow – fluid pressure or material level – responsive – Vent control

Reexamination Certificate

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C210S266000, C210S283000, C210S284000, C210S289000, C210S290000, C210S317000, C210S416100, C210S492000, C210S497100, C210S502100

Reexamination Certificate



Oil adsorbent layers4and packed layers5are alternately laminated inside a treatment vessel2,the oil adsorbent layers4comprise ten laminated flat sheets4acomposed of polypropylene, and gelled aluminum hydroxide15is evenly applied over the surface of each of these sheets4aon the laminated side. These flat sheets4aare lipophilic and hydrophobic.

patent: 4217210 (1980-08-01), Heidenreich
patent: 6180010 (2001-01-01), Alper
patent: 03242206 (1991-10-01), None


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