×

Coagulating agent for wastewater

  • US 5,897,810 A
  • Filed: 02/10/1997
  • Issued: 04/27/1999
  • Est. Priority Date: 02/16/1996
  • Status: Expired due to Fees
First Claim
Patent Images

1. A coagulating agent for wastewater treatment comprising:

  • a flocculant forming coagulation cores having first flocculation sites for capturing grains contained in wastewater, said coagulation cores including crystalline gypsum and gypsum dihydrate, andcarriers formed of a porous powder containing calcium carbonate, said carriers being captured in the first flocculation sites of the coagulation cores and having second flocculation sites for capturing grains contained in wastewater, a number of the first flocculation sites for absorbing the carriers being greater than a number of the first flocculation sites for absorbing the grains, the coagulation cores and the carriers being mixed in a ratio of 3;

    1.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×