CHANGES OF SPECIFIC PORE SURFACE AREA AND   PORE VOLUME OF PETROLEUM COKE DURING COMBUSTION

沈伯雄; 姚强; 刘德昌; 陈汉平

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CHANGES OF SPECIFIC PORE SURFACE AREA AND PORE VOLUME OF PETROLEUM COKE DURING COMBUSTION

更新时间：2025-12-16

- CHANGES OF SPECIFIC PORE SURFACE AREA AND PORE VOLUME OF PETROLEUM COKE DURING COMBUSTION
- CIESC Journal Issue 6, (2000)
- 作者机构：
  
  清华大学煤的清洁燃烧技术国家重点实验室!北京100084,清华大学煤的清洁燃烧技术国家重点实验室!北京100084,华中理工大学煤燃烧国家重点实验室!武汉430074,华中理工大学煤燃烧国家重点实验室,武汉,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q51
- Online First：25 December 2000，
  
  Published：25 December 2000
- 稿件说明：
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沈伯雄, 姚强, 刘德昌, et al. CHANGES OF SPECIFIC PORE SURFACE AREA AND PORE VOLUME OF PETROLEUM COKE DURING COMBUSTION[J]. CIESC Journal, 2000, (6).
DOI：

沈伯雄, 姚强, 刘德昌, et al. CHANGES OF SPECIFIC PORE SURFACE AREA AND PORE VOLUME OF PETROLEUM COKE DURING COMBUSTION[J]. CIESC Journal, 2000, (6). DOI：

摘要

通过对石油焦燃烧过程中不同燃尽率焦样的比表面积和孔容积的测定

表明石油焦的比表面积和孔容积先增大

后减小到一定数值

最后再增大 .说明石油焦的燃烧经历动力控制到扩散控制最后再动力控制的过程 .石油焦的燃烧符合分形关系

该分形维数可以同燃烧速率作比较 .

Abstract

According to measurements

the specific pore surface area and pore volume of petroleum coke (PC) during combustion were found to: first increase

then decrease and increase again. This indicates that the combustion of PC can be divided into three phases: kinetics control

diffusion control and again kinetics control.The combustion of PC is described in accordance with a fractal rule. The fractal dimension can be compared to the rate of combustion.

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