Patents Assigned to TOSHIO NIIJIMA
  • PROCESS FOR TREATING WASTE WATER CONTAINING A RESIN
    Publication number: 20010052499
    Abstract: A process for treating waste water containing a resin is disclosed, which includes the steps of adding a polyamine compound to waste water containing at least a resin to coagulate at least water-insoluble matter in the water to form coagulated particles, adding a polyacrylamide polymer to cause those particles to grow into flocculated flocs, and separating the flocculated flocs. The process of the invention can treat waste water containing a resin in an industrially beneficial way without producing a large amount of sludge is disclosed.
    Type: Application
    Filed: September 10, 1999
    Publication date: December 20, 2001
    Applicant: TOSHIO NIIJIMA
    Inventor: TOSHIO NIIJIMA