Patent · US Active

Phosphorus modified cracking catalysts with enhanced activity and hydrothermal stability

US8940652B2 · kind B2 · utility

3Cited by

3References

19Claims

0Family size

Assignee

BASF SE

Inventors

Qi Fu · Shanghai, CN
Chandrashekhar P. Kelkar · Plum, US
Gary M. Smith · Verona, US
Bilge Yilmaz · Mannheim, DE

Key dates

Filing date	Nov 5, 2012
Grant date	Jan 27, 2015
Priority date	—
Expiry date	Apr 11, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2229/42
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A phosphorus modification of an FCC catalyst is provided by reducing the sodium content of the as formed catalyst, a first treatment with a phosphate solution, a second ammonium exchange to further reduce the sodium content of the phosphorus solution treated catalyst and a second treatment with a phosphate solution.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.