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Study on the Basic Physicochemical Characteristics of the Huadian Oil Shales

WANG Qing,XU Feng,Bai Jing-ru,SUN Bai-zhong,LI Shao-hua，SUN Jian   

  1. Northeast Dianli University， Jilin 132012，China
  • Received:2006-08-21 Revised:1900-01-01 Online:2006-11-26 Published:2006-11-26
  • Contact: WANG Qing

Abstract: The basic physicochemical characteristics of the Huadian oil shales were investigated in detail by a variety of experimental methods. The surface structure of the oil shales was measured with SEM. The properties of the oil shales such as density, grindability, ash characteristics, specific heat capacity, oil yield and so on were also investigated. In addition, the pyrolysis and combustion characteristics of the oil shales were also measured using the thermal gravitational analysis apparatus. The results show that the Huadian oil shale is a kind of lowgrade fuel with high ash, high volatile and low calorific value. Oil shale quality differs in different mine areas. By comparison, the Dachengzi’s were better than the Gonglangtou’s. Based on experimental results, pyrolysis and combustion kinetic models related were proposed. The results show the oil shale pyrolysis reaction is to be described by the first order kinetics. And different reaction orders at different temperature is required to describe the combustion reaction of the oil shales.

Key words: oil shale, physicochemical characteristics, pyrolysis, combustion

CLC Number: 

  • P618.12
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