Patent · US Expired

Feedstock treatment

US4199434A · kind A · utility

6Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 13, 1978
Grant dateApr 22, 1980
Priority date
Expiry dateFeb 13, 1998

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J19/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A pyrolysis fuel oil is treated by soaking in the presence of sulfur for a period of time sufficient to react the highly unsaturated compounds present in the oil, followed by heating the soaked fuel oil at a temperature of from 850.degree. F. to 1100.degree. F. and an outlet pressure of from 300 to 600 psig to provide a treated feed having an API gravity of -3.degree. or less. The feed may be employed for the production of needle coke and/or carbon black and/or electrode binder pitch.

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