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New resid FCC catalyst for maximizing gasoline yield
Abstract After surface acidity and pore modifications, the acid strength and pore distribution of composite were improved effectively. FTIR analysis showed that the acid distribution of the modified composite was more concentrated on the range of intermediate and strong acidity. This kind of modification can direct more hydrocarbons to enter into the pores to be converted and remarkably increases the possibility of gasoline forming through a cracking reaction. N2 adsorption–desorption analysis showed that the composite had more meso- and macro-pores with a trimodal distribution. This kind of modification can effectively reduce the mass-transfer resistance in the reaction process and accelerate the diffusion of the product molecules. A FCC catalyst for maximizing gasoline yield was prepared based on the composite. The evaluated results indicated the catalyst can decrease the excessive cracking of mediate distillate and improved the gasoline yield effectively. The gasoline yield had been increased by 2.89%, while the coke yield has been decreased by 0.71%.
New resid FCC catalyst for maximizing gasoline yield
Abstract After surface acidity and pore modifications, the acid strength and pore distribution of composite were improved effectively. FTIR analysis showed that the acid distribution of the modified composite was more concentrated on the range of intermediate and strong acidity. This kind of modification can direct more hydrocarbons to enter into the pores to be converted and remarkably increases the possibility of gasoline forming through a cracking reaction. N2 adsorption–desorption analysis showed that the composite had more meso- and macro-pores with a trimodal distribution. This kind of modification can effectively reduce the mass-transfer resistance in the reaction process and accelerate the diffusion of the product molecules. A FCC catalyst for maximizing gasoline yield was prepared based on the composite. The evaluated results indicated the catalyst can decrease the excessive cracking of mediate distillate and improved the gasoline yield effectively. The gasoline yield had been increased by 2.89%, while the coke yield has been decreased by 0.71%.
New resid FCC catalyst for maximizing gasoline yield
He, Lijun (author) / Zheng, Shuqin (author) / Ren, Shao (author) / Yu, Hong-Xia (author) / Zhang, Jian-ce (author)
Petroleum Chemistry ; 57 ; 60-65
2017-01-01
6 pages
Article (Journal)
Electronic Resource
English
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