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اولین سمپوزیوم منطقه ای نوآوری در علم و فناوری
The effect of Zr promoter on cobalt based catalyst for Fischer-Tropsch Synthesis
Authors :
Yahya Zamani
1
Hamid Ganji
2
Mohamad Irani
3
Behnoosh Moshtari
4
Tahereh Ahmadi
5
1- Research Institute of Petroleum Industry
2- Research Institute of Petroleum Industry
3- Research Institute of Petroleum Industry
4- Research Institute of Petroleum Industry
5- Research Institute of Petroleum Industry
Keywords :
Zr promoter ,cobalt catalyst , Fischer-Tropsch Synthesis
Abstract :
Promoted and unpromoted of cobalt catalysts were prepared using the incipient wetness impregnation method. For better evaluation of catalysts, the physicochemical properties of catalysts were investigated using brunauer-emmett-teller (BET), H2-TPR and X-ray diffraction. The performance of catalysts was studied in a fixed-bed reactor at 220oC, 25 bar, gas hourly space velocity (GHSV) of 2 L/h/gcat., and H2 to CO ratio of 2. The results indicate that ZrO2 as promoter can enhance the CO conversion and catalyst activity and enhance the selectivities of higher-molecular- weight products. From the reactor test, values of 160.3 mmol CO conv./gCo/h activity, and 0.12 gC3 +/ (h.gcat.) productivity have been obtained for the best catalyst.
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