Experimental Study of Rapid Brown Coal Pyrolysis at High Temperature

摘要：

Rapid coal pyrolysis is a very important step in the early stage of combustion.Rapid pyrolysis experiments of a brown coal at high temperature have been studied on a laminar drop tube furnace.The volatile mass release measured in this study is high for low rank coal.The activation energy and pre-exponential factor of pyrolysis are 19901.22 kJ/mol and 102.71,respectively.The nitrogen distribution between volatile and char is 0.54.With the increase of temperature,the yields of NH3 decreases,while those of HCN increases,leading the value of HCN/NH3 to become larger.At high temperature,the main nitrogencontaining species of pyrolysis in volatile is HCN.

关键词： brown coal pyrolysis nitrogen distribution

作者: Qian Lin Sun Shaozeng Meng Shun Meng xianyu Guo angzhou

作者单位: Combustion Engineering Research Institute Harbin Institute of Technology,Harbin,150001,China

会议类型: 国际会议

会议名称: The 7th International Symposium on Coal Combustion(第七届国际煤燃烧学术会议)

会议地点: 哈尔滨

会议语种:英文

页码: 149-151

在线出版日期: 2011-07-19（万方平台首次上网日期，不代表论文的发表时间）