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 .
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.
出处
《化工学报》
EI
CAS
CSCD
北大核心
2000年第6期784-787,共4页
CIESC Journal
关键词
石油焦
比表面积
孔容积
分形
燃烧
petroleum coke,specific pore surface area,pore volume,fractal rule