Fe_2O_3对低阶煤低温干馏的影响

A Effect of Pyrolysis Characters of Low-rank Coal Carbonization by Adding Fe_2O_3

以延安车村煤、神木河畔煤、神木榆家梁煤以及山西煤为研究对象,研究了氧化铁(Fe_2O_3)对低阶煤低温干馏的影响,探究氧化铁加入量对干馏产物煤气、半焦及焦油产率的分布特征。得出以下结论:随Fe_2O_3量的增加,煤气及煤焦油产率减少,半焦产率增加。氧化铁催化剂会使煤低温干馏所产半焦外貌变粗糙,增高了半焦的反应性。

Choosing the coal from Yan＇an Checun,Shenmu Yujialiang and Shanxi as the research subject,the effect of Fe2O3 for low- rank coal carbonization was investigated,and explored the diflerent adding Fe2O3 for low temperature carbonization production,such as dry distillation gas,carbocoal and distribution characteristics of the tar production rate. The following conclusions： when add the content of Fe2O3,the yield of all tars decrease,gas volume trend to decrease,the yield of all semi- coke increase. Semicoke shapes were observed by SEM scanning.