Patent · US Expired

Off-site pretreatment of a hydrocarbon treatment catalyst

US6059956A · kind A · utility

14Cited by
49References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 10, 1995
Grant dateMay 9, 2000
Priority date
Expiry dateOct 10, 2015

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J37/14
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process comprising incorporation of a sulphuration agent into a hydrocarbon treatment catalyst to a greater or lesser extent into the pores of the catalyst, the agent being selected from, for example, elemental sulphur and organic polysulphides, incorporation being effected in the presence of a solvent which is an olefinic or olefinic cut constituent, for example a vegetable oil, or a similar constituent, the process comprising hydrogen treatment of the catalyst at between 150.degree. C. and 700.degree. C., followed by a passivation step.

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