Method of reducing Nox compounds in flue gases of recovery boiler

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6517793
SERIAL NO

09646406

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Abstract

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A method of reducing NO.sub.X compounds in the odor gases of a recovery boiler. In the method, ammonia in the odor gases is separated before the odor gases are combusted, the ammonia being then introduced into a recovery boiler at the pulp mill or in a separate catalyzer, where the ammonia reacts with nitrogen oxide forming water and molecular nitrogen.

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Patent Owner(s)

  • KVAERNER POWER OY

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  • 2000 Application Filing Year
  • C01C Class
  • 22 Applications Filed
  • 8 Patents Issued To-Date
  • 36.37 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20002001200220030255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hamalainen, Risto Tampere, FI 6 74
Tamminen, Ari Pirkkala, FI 3 40
Tuominiemi, Seppo Pirkkala, FI 11 110

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  • 2 Citation Count
  • C01C Class
  • 4.55 % this patent is cited more than
  • 22 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges119201 - 1011 - 2001234567891011121314151617181920

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