supported by the National Natural Science Foundation of China(No. 20476042 and No.20776064);the Ministry of Science and Technology of the People's Republic of China under the National Basic Research Program of China(973 Program) (2007CB216403)
The effects of olefins were quantified by measuring the decreased amount of thiophenes removed by modified zeolites with an increasing olefin concentration in model fuels (300 ppm) via fixed-bed adsorption technique...
the National Natural Sci-ence Foundation of China (No.20476042 and No.20776064) for the financial support.
NaY zeolite was modified with oxalic acid, and Ce(IV)Y(1) zeolite was obtained via liquid phase ion exchange between the modified NaY zeolite and cerium nitrate. The Ce(IV)Y(2) zeolite was obtained via liquid phase io...