Patent · US Active

Process for hydrotreating heavy hydrocarbon feeds with switchable reactors including at least one step of progressive switching

US9359561B2 · kind B2 · utility

17Cited by
0References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 2011
Grant dateJun 7, 2016
Priority date
Expiry dateMar 5, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G2300/208
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Process for hydrotreating a heavy hydrocarbon fraction using a system of switchable fixed bed guard zones each containing at least one catalyst bed including at least one step during which the flow of feed supplied to the first guard zone brought into contact with the feed is partly displaced to the next guard zone downstream, preferably progressively.

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