Thermal treatment of Indonesian lignite washery tailing

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• 作者：Dandan Chen ; Xuguang Jiang ; Shuai Lv…
• 关键词：LWT ; TG–FTIR analysis ; Pyrolysis ; Combustion
• 刊名：Journal of Thermal Analysis and Calorimetry
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：123
• 期：2
• 页码：1727-1733
• 全文大小：630 KB
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• 作者单位：Dandan Chen (1)
  Xuguang Jiang (1)
  Shuai Lv (1)
  Zengyi Ma (1)
  Jianhua Yan (1)
  Xuehai Yu (2)
  Haiyan Liao (2)
  Hua Zhao (2)
  
  1. State KEY Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China
  2. Electric Power Research Institute of Shenhua Guohua, Beijing, 100025, China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Sciences
  Polymer Sciences
  Physical Chemistry
  Inorganic Chemistry
  Measurement Science and Instrumentation
  
• 出版者：Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
• ISSN：1572-8943

文摘

Thermal treatment of Indonesian lignite washery tailings (LWT) was investigated in this study using TG–FTIR at different heating rates of 5, 15, 25, 35, and 45 °C min−1. After a first drying stage, two main pyrolysis stages appeared, i.e., stage II (300–600 °C) and stage III (700–800 °C), corresponding, respectively, to low-temperature evolution of volatile matter and further carbonization of fixed carbon. The gaseous products of LWT during pyrolysis and combustion are not as complex as those of other waste materials such as hazardous waste and sewage sludge. Little or no acid and ketone compounds were observed. The heating rate had an obvious effect on the gas evolution of pyrolysis and combustion. The results provide useful information for designing a combustion or pyrolytic system using LWT as feedstock. Keywords LWT TG–FTIR analysis Pyrolysis Combustion