Patent · US Expired

Solid addition and withdrawal

US5021147A · kind A · utility

19Cited by
12References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 1989
Grant dateJun 4, 1991
Priority date
Expiry dateJun 7, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G49/14
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A system for adding and withdrawing solids to a high pressure reactor wherein there is provided improved control of flow and concentrations of a slurry of solids in a transport oil for introducing and withdrawing solids from the reactor. In addition, there is provided for improved heating and cooling of the solids.

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