Patent · US Expired

Broad liquid level gas-liquid mixing operations

US5009816A · kind A · utility

51Cited by
8References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 1990
Grant dateApr 23, 1991
Priority date
Expiry dateApr 26, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2219/00779
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A gas-liquid mixing process and apparatus employing two or more stacked impeller-draft tube assemblies adapted to enable effective gas ingestion into a recirculating body of liquid by vortex development to be continued upon an appreciable variation in liquid level during the course of the mixing operation.

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