×

Process for removing contaminants from gas streams

  • US 7,632,475 B2
  • Filed: 01/10/2008
  • Issued: 12/15/2009
  • Est. Priority Date: 01/23/2007
  • Status: Active Grant
First Claim
Patent Images

1. A method for removing contaminants from a waste gas stream in a sulfuric acid production process comprising the steps:

  • a) contacting said waste gas stream with ozone;

    b) directing said waste gas stream to a particulate scrubber;

    c) directing said waste gas stream to a gas dryer; and

    d) recovering said waste gas stream.

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