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has been cited by the following article:

• TITLE: Experimental Research on Spontaneous Combustion Tendency of High Volatile Blended Coals

  AUTHORS: Jinfeng Ma, Fei Shao, Junrui Shi, Zhijia Xue, Shuqun Wang, Hongtao Li, Huangxin Zhang

  KEYWORDS: Thermogravimetric Analysis; High Volatile; Blended Coal; Kinetic Theory; Oxidation Characteristics

  JOURNAL NAME: Engineering, Vol.5 No.3, March 21, 2013

  ABSTRACT: Experiment of oxidation characteristics with slow velocity of high volatile blended coals was investigated in the surroundings of low oxygen conditions, which gives three kinetic factors in the step of low temperature through the methods of thermo gravimetric analysis, the Coats-Redfern integration and Achar-Brindley-Sharp-Wendworth. The results of calculation show that activation energy and pre-exponential factor increase with the reaction process, and tendency of spontaneous combustion of the blended coal have changed. The experimental results show that the type of absorbing oxygen is mainly physical adsorption and calorific value is very small during increasing weight. Volatile of blended coal releases before single coal and combustion temperature of blended coal is between one and other single coals. If the oxygen content is below 16% in the milling system, explosion-proof effect on high volatile blended coal can be obtained.