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has been cited by the following article:

• TITLE: Effect of Atmosphere on Volatile Emission Characteristic in Oxy-Fuel Combustion

  AUTHORS: Le Wu, Shihe Chen, Jia Luo

  KEYWORDS: Oxy-Fuel Combustion; O2/CO2 Atmosphere; Volatile Emission; Gasification Reaction

  JOURNAL NAME: Energy and Power Engineering, Vol.5 No.2, March 29, 2013

  ABSTRACT: A new type of power supply which was called oxy-fuel combustion power plant was introduced to reduce greenhouse gasses emission. In this paper the volatile emission characteristic of pulverized coal is studied under air atmosphere and oxy-fuel atmosphere. Combustion experiments of Datong bituminous coal were carried out in a wire mesh reactor at heating rates of 1 K/s, 10 K/s and 1000 K/s respectively under air and O2/CO2 atmosphere conditions in order to investigate the volatile emission characteristic. The concentrations of volatile (mainly CO and CH4) emission were on-line measured by infrared gas analyzer. It was indicated that the concentrations of CO and CH4 in O2/CO2 atmosphere were higher than those in air. The direct oxidation of carbon and gasification reaction between carbon and CO2 are the main causes of the increased amount of CO. The higher concentration of CO2 also results in the increased amount of CH4 in O2/CO2 conditions.