Patents Assigned to AD'ALL CO., LTD.
  • Activated carbon
    Patent number: 11873235
    Abstract: There is provided an activated carbon having a high total trihalomethane filtration capacity, even in water treatment by passing water at a high superficial velocity (SV). In the activated carbon of the present invention, a pore volume A of pores with a size of 1.0 nm or less, of pore volumes calculated by the QSDFT method, is 0.3 cc/g or more, and a pore volume B of pores with a size of 3.0 nm or more and 3.5 nm or less, of pore volumes calculated by the QSDFT method, is 0.009 cc/g or more.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: January 16, 2024
    Assignees: AD'ALL CO., LTD., UNITIKA LTD.
    Inventors: Tomoyasu Nakano, Hirokazu Shimizu, Akinori Kawachi, Keiji Sakai