×

Peroxide water treatment process

  • US 5,716,528 A
  • Filed: 10/11/1995
  • Issued: 02/10/1998
  • Est. Priority Date: 10/11/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. A process for removing pentachlorophenol from contaminated water comprising:

  • oxidizing the pentachlorophenol in the contaminated water with hydrogen peroxide in the presence of ferrous ions in a concentration of 5 to 7%, by weight, based on the weight of hydrogen peroxide at a weight ratio of hydrogen peroxide to COD, of contaminants, of at least 1.25;

    1 and an acid pH of about 3 to about 4, to produce an oxidized waste water.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×