并对催化剂的使用寿命和失活机理进行了考察。
The lifetime of the catalysts and the mechanism of deactivation were also investigated.
积炭是引起催化剂失活的主要原因。
失活催化剂烧焦再生后，其活性可基本恢复到新鲜催化剂的水平。
The activity of the regenerated catalyst was almost the same as the fresh catalyst.
催化剂在水中易分解或失活。
Many catalysts in water are easily decomposed or inactivated.
同时，加入某些助剂可以延缓催化剂的失活。
Moreover, it was found that some promoter were able to prolong the activity of catalysts.
同时，加入某些助剂可以延缓催化剂的失活。
Moreover, it was found that some promoter were able to prolong the activity of catalysts.
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