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2010•Clean Coal TechnologyRequires access

Analysis of the influence factors on N_2O emission in circulating fluidized bed boiler using coal

Haiping Chen

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Abstract

The formation and destruction mechanism of N_2O in circulating fluidized bed boiler were expatiated in detail. The influences of coal characteristics and operation parameters of coal-fired CFB boiler such as bed temperature, excessive air coefficient, mineral composition of coal on N_2O emissions were discussed. The new de-N_2O combustion technology, such as blend combustion of biomass and coal, afterburning, appending activator to CFB boiler, reversed air staging were discussed in the end, which guide the development of CFB boiler de-N_2O combustion.

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What this paper is about

The formation and destruction mechanism of N_2O in circulating fluidized bed boiler were expatiated in detail. The influences of coal characteristics and operation parameters of coal-fired CFB boiler such as bed temperature, excessive air coefficient, mineral composition of coal on N_2O emissions were discussed. The new de-N_2O combustion technology, such as blend combustion of biomass and coal, afterburning, appending activator to CFB boiler, reversed air staging were discussed in the end, which guide the development of CFB boiler de-N_2O combustion.

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Available abstract

The formation and destruction mechanism of N_2O in circulating fluidized bed boiler were expatiated in detail. The influences of coal characteristics and operation parameters of coal-fired CFB boiler such as bed temperature, excessive air coefficient, mineral composition of coal on N_2O emissions were discussed. The new de-N_2O combustion technology, such as blend combustion of biomass and coal, afterburning, appending activator to CFB boiler, reversed air staging were discussed in the end, which guide the development of CFB boiler de-N_2O combustion.

Key concepts: Boiler (water heating), Fluidized bed combustion, Combustion, Coal, Waste management, Coal combustion products, Environmental science, Chemistry

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