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Title: NOx reduction in combustion with concentrated coal streams and oxygen injection

Abstract

NOx formation in the combustion of solid hydrocarbonaceous fuel such as coal is reduced by obtaining, from the incoming feed stream of fuel solids and air, a stream having a ratio of fuel solids to air that is higher than that of the feed steam, and injecting the thus obtained stream and a small amount of oxygen to a burner where the fuel solids are combusted.

Inventors:
; ;
Issue Date:
Research Org.:
Praxair, Inc., Danbury, CT (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1174743
Patent Number(s):
6699031
Application Number:
10/194,828
Assignee:
Praxair Technology, Inc. (Danbury, CT)
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23C - METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  {A CARRIER GAS OR} AIR 
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23N - REGULATING OR CONTROLLING COMBUSTION
DOE Contract Number:  
FC26-00NT40756
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 54 ENVIRONMENTAL SCIENCES

Citation Formats

Kobayashi, Hisashi, Bool, III, Lawrence E., and Snyder, William J. NOx reduction in combustion with concentrated coal streams and oxygen injection. United States: N. p., 2004. Web.
Kobayashi, Hisashi, Bool, III, Lawrence E., & Snyder, William J. NOx reduction in combustion with concentrated coal streams and oxygen injection. United States.
Kobayashi, Hisashi, Bool, III, Lawrence E., and Snyder, William J. Tue . "NOx reduction in combustion with concentrated coal streams and oxygen injection". United States. https://www.osti.gov/servlets/purl/1174743.
@article{osti_1174743,
title = {NOx reduction in combustion with concentrated coal streams and oxygen injection},
author = {Kobayashi, Hisashi and Bool, III, Lawrence E. and Snyder, William J.},
abstractNote = {NOx formation in the combustion of solid hydrocarbonaceous fuel such as coal is reduced by obtaining, from the incoming feed stream of fuel solids and air, a stream having a ratio of fuel solids to air that is higher than that of the feed steam, and injecting the thus obtained stream and a small amount of oxygen to a burner where the fuel solids are combusted.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2004},
month = {3}
}

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Works referenced in this record:

Characteristics of single particle coal combustion
journal, January 1982