Patent ID: 11897790
Assignee: ORGANO CORPORATION
Field: Chemical engineering (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 2:
3. The method for producing ultrapure water according to claim 1, wherein the monolithic organic porous anion exchanger is formed of a continuous framework phase and a continuous pore phase; the continuous framework phase has a thickness of a continuous framework of 1 to 100 μm, the continuous pore phase has an average diameter of continuous pores of 1 to 1000 μm, and a total pore volume of 0.5 to 50 mL/g; the monolithic organic porous anion exchanger has an anion exchange capacity of 0.1 to 1.0 mg equivalent/mL in a wet state; and the monolithic organic porous anion exchanger has anion exchange groups that are uniformly distributed in the monolithic organic porous anion exchanger.