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AssigneeOrgano Corporation
InventorsHiroshi Inoue, Koji Yamanaka
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An organic porous material having selective adsorption ability for boron, characterized in that it has an open cell structure comprising macro pores jointed to one another and, formed within the wall of the macro pore, meso pores having a pore diameter of 0.02 to 200 μm, has a total pore volume of 1 to 50 ml/g, and contains a compound capable of forming a complex with boric acid introduced through a covalent bonding in an amount of 1 μmol/g-dry porous material or more. The organic porous material exhibits improved ability for adsorbing boron and also is excellent in stability, and a boron removing module and an ultra-pure water production apparatus using the porous material have extremely high utility.
An organic porous material capable of selectively adsorbing boron having a continuous pore structure which comprises macropores and mesopores, the macropores being interconnected with each other forming mesopores with a pore diameter of 0.02–200 μm in the interconnected parts, having a total pores volume of 1–50 ml/g, and comprising a compound forming a complex with boric acid introduced thereinto via covalent bond in an amount of 1 μmol/g or more of the porous material on a dry basis;
Dependencies are inferred from the claim text.