Patent · US Expired

Method of cooling and deashing

US4474584A · kind A · utility

25Cited by
4References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 2, 1983
Grant dateOct 2, 1984
Priority date
Expiry dateJun 2, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S48/02
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Hot synthesis gas is cooled and deashed by passage through first zone in contact with a downwardly descending film of cooling liquid, a second zone in contact with a spray of cooling liquid, a third zone in contact with a body of cooling liquid, and a fourth zone in contact with a spray of cooling liquid--at least a portion of the cooling liquid to the first zone preferably being recycled cooling liquid from which at least a portion of the solids contained therein has been removed.

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