Oil adsorbent layers 4 and packed layers 5 are alternately laminated inside a treatment vessel 2, the oil adsorbent layers 4 comprise ten laminated flat sheets 4a composed of polypropylene, and gelled aluminum hydroxide 15 is evenly applied over the surface of each of these sheets 4a on the laminated side. These flat sheets 4a are lipophilic and hydrophobic.

 
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> Water purification and treatment apparatus and treatment process using the apparatus
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