Patent · US Active

Process for producing lower olefins from hydrocarbon feedstock utilizing partial vaporization and separately controlled sets of pyrolysis coils

US8083932B2 · kind B2 · utility

3Cited by

21References

28Claims

0Family size

Assignee

SHELL OIL COMPNY · US

Inventors

Arthur James Baumgartner · Houston, US
Robert Lawrence Blackbourn · Houston, US
Danny Yuk Kwan Ngan · Houston, US

Key dates

Filing date	Aug 21, 2008
Grant date	Dec 27, 2011
Priority date	—
Expiry date	Jul 25, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10G2400/20
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A process for making lower olefins from a wide boiling range hydrocarbon feed by use of a combination of one or more vapor/liquid separation devices, and then pyrolytically cracking the vapor phase in separate sets of pyrolysis radiant tubes, thereby producing a higher level of lower olefin product.

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