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1990•Journal of the Fuel Society of JapanOpen access

Method of decreasing NOx in small oil firing boilers.

Hideki ITOKAWA

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Abstract

This paper describes the production of NOx by oil burning and the method of decreasing NOx.Tokyo Metropolis enforced the recognition system to NOx apparatus.-commercial boilers, generating low NOx, that is lower than 80ppm (O2=0%) for oil burning.The concentration of NOx is influenced by a kind of fuel, the structure of boilers and burners.Now most of boilers are need the countermeasure of low NOx.There are three method of decreasing NOx in small boilers.(1) Recircuration of combustion waste gas.(2) Burner with water spray.(3) Self recircuration burner.

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This paper describes the production of NOx by oil burning and the method of decreasing NOx.Tokyo Metropolis enforced the recognition system to NOx apparatus.-commercial boilers, generating low NOx, that is lower than 80ppm (O2=0%) for oil burning.The concentration of NOx is influenced by a kind of fuel, the structure of boilers and burners.Now most of boilers are need the countermeasure of low NOx.There are three method of decreasing NOx in small boilers.(1) Recircuration of combustion waste gas.(2) Burner with water spray.(3) Self recircuration burner.

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Available abstract

This paper describes the production of NOx by oil burning and the method of decreasing NOx.Tokyo Metropolis enforced the recognition system to NOx apparatus.-commercial boilers, generating low NOx, that is lower than 80ppm (O2=0%) for oil burning.The concentration of NOx is influenced by a kind of fuel, the structure of boilers and burners.Now most of boilers are need the countermeasure of low NOx.There are three method of decreasing NOx in small boilers.(1) Recircuration of combustion waste gas.(2) Burner with water spray.(3) Self recircuration burner.

Key concepts: NOx, Waste management, Combustor, Combustion, Fuel oil, Environmental science, Nitrogen oxides, Chemistry

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