Patent · US Expired

NOx reduction using coal based reburning

US6206949A · kind A · utility

23Cited by
13References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 2000
Grant dateMar 27, 2001
Priority date
Expiry dateMay 19, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P10/32
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A method for reducing the NOx content of combustion gases from combustion in a commercial furnace wherein hot oxygen and carbonaceous fuel such as pulverized coal react to form a fuel-rich gas phase mixture which is then used to reduce NOx to nitrogen gas.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.