Patent ID: 11891577
Assignee: HINDUSTAN PETROLEUM CORPORATION LIMITED
Field: Chemical engineering (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. A process for preparing a fluid catalytic cracking (FCC) additive composition, the process consisting of:
a. mixing in water, at least one alumina and an aqueous solution of a precursor of phosphorus under stirring for a time period in a range of 0.5 to 5 hours, at a temperature in a range of 25 to 35° C. to obtain a first slurry comprising a modified alumina;
b. adding at least one binder to the first slurry under stirring for a time period in a range of 20 to 60 minutes, at a temperature in a range of 25 to 35° C. to obtain a second slurry;
c. adding a precursor of boron to the second slurry under stirring for a time period in a range of 0.5 to 2 hours, at a temperature in a range of 25 to 35° C. to obtain a resultant slurry;
d. adding an acidity enhanced modified clay to the resultant slurry under stirring for a time period in a range of 0.5 to 5 hours, at a temperature in a range of 25 to 35° C. to obtain a product mixture comprising the FCC additive composition; and
e. separating the FCC additive composition from the product mixture, followed by drying and calcining to obtain the FCC additive composition.