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采用固定床流动反应装置研究了高温焙烧的负载型钴金属催化剂对甲烷与二氧化碳转化制合成气的催化性能，考察了催化剂活性组分、预处理温度及反应条件等对合成气生成量的影响，并用色谱法测定了催化剂上的积炭量．结果表明，钴负载量高于１２％时，在１０７３～１４７３Ｋ焙烧的Ｃｏ／Ａｌ２Ｏ３催化剂不仅具有高的催化活性，而且具有独特的抗积炭性能．ＴＰＲ，ＸＲＤ和催化反应结果表明，来源于ＣｏＡｌ２Ｏ４尖晶石的金属Ｃｏ以及ＣｏＡｌ２Ｏ４尖晶石对催化剂的活性和抗积炭性能起着关键作用，其活性特征在许多方面不同于低温焙烧的Ｃｏ／Ａｌ２Ｏ３或Ｎｉ／Ａｌ２Ｏ３催化剂．
A fixed-bed flow reactor was used to study the catalytic performance of high-temperature calcined cobalt metal catalyst for the conversion of methane to carbon dioxide into syngas. The effects of active components, pretreatment temperature and reaction conditions on syngas generation were investigated. The amount of coke deposited on the catalyst was determined by chromatography. The results show that the Co / Al2O3 catalyst calcined at 1073-1473 K has not only high catalytic activity but also unique anti-carbon deposition performance when the cobalt loading is higher than 12%. TPR, XRD and catalytic reaction results show that the metal Co and CoAl2O4 spinel derived from CoAl2O4 spinel play a key role in the activity and carbon deposition resistance of the catalyst, and its activity characteristics are different in many aspects from the low temperature calcined Co / Al2O3 or Ni / Al2O3 catalyst.