Claims
- 1. A method for recharging a spend fluid catalytic cracking process catalyst, comprising the steps of:
- providing a spent fluid catalytic cracking process catalyst;
- providing zeolitic material wherein said zeolitic material is formed from a gel product having a molar ratio of compounds as follows: ##EQU6## said zeolitic material having a composition expressed in terms of mole ratios of oxides as follows:
- XM.sub.2/n O:Al.sub.2 O.sub.3 :YSiO.sub.2 :Z H.sub.2 O
- wherein M comprises at least one cation selected from Group I of the Periodic System of Elements, wherein X is the molar ratio of alkali cation oxide to alumina and is between 0.9 to 1.2, Y is the molar ratio of silica to alumina and is between 16 to 26, and Z is the molar ratio of water to alumina and is between 0.4 to 2.0, and wherein the zeolitic material is characterized by a d-spacing as follows:
- ______________________________________ Lattice distanceDiffraction angle/20 Units (A) Relative intensity______________________________________ 7.93 11.15 37 8.81 10.03 3211.89 7.44 313.19 6.71 514.81 5.98 915.57 5.69 1115.85 5.59 1716.57 5.35 317.76 4.99 719.30 4.60 420.40 4.35 920.79 4.27 1422.05 4.03 1423.12 3.84 10023.74 3.75 5924.30 3.66 3224.71 3.60 1025.70 3.46 2226.32 3.38 1026.85 3.32 1527.31 3.26 838.36 3.15 529.19 2.99 1629.97 2.98 1830.86 2.90 232.69 2.73 3______________________________________
- forming a mechanical mixture of the spent catalyst and the zeolitic material having a composition by weight of zeolitic material of about 2.0%.
- 2. A method according to claim 1, wherein said zeolitic material is formed from a gel product having a molar ratio of OH/SiO.sub.2 of 0.055-0.065.
Parent Case Info
This is a division of application Ser. No. 07/863,125 filed Apr. 3, 1992 now U.S. Pat. No. 5,254,327.
US Referenced Citations (11)
Divisions (1)
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Number |
Date |
Country |
Parent |
863125 |
Apr 1992 |
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