预硫化催化剂的表征结果表明，催化剂硫化前后孔容和比表面积变化不大。
The characterization of pre-curing catalyst show that the pore volume and specific surface area had little change after vulcanization.
在相同工艺条件下对比评价结果表明，用EPRES技术制备的器外预硫化催化剂的加氢活性比常规器内硫化的同一催化剂好。
The test results showed that hydrotreating activity of ex-situ presulfided catalysts was superior to that of in-situ sulfided catalysts.
研究了新型固体硫化剂硫代硫酸铵对加氢脱硫催化剂的预硫化。
Ammonium thiosulfate as a novel sulfiding agent was used for desulfidation of hydrodesulfurization ( HDS) catalysts.
加氢催化剂的预硫化是提高催化剂活性、优化加氧催化操作，获得理想经济效益的关键技术之一。
Presulfuration of hydrogenation catalyst is an essential technology, which can enhance the catalyst activeness and optimize operation of hydrogenation catalysis and obtain ideal economic efficiency.
实验结果表明，用膨胀床器外预硫化工艺对加氢催化剂进行硫化是可行的。
The results showed that it was feasible to sulfurize hydrotreating catalyst ex-situ by expansion bed process.
实验结果表明，用膨胀床器外预硫化工艺对加氢催化剂进行硫化是可行的。
The results showed that it was feasible to sulfurize hydrotreating catalyst ex-situ by expansion bed process.
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