Patent · US Expired

Enhanced gas dissolution

US6135430A · kind A · utility

20Cited by
10References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 24, 1998
Grant dateOct 24, 2000
Priority date
Expiry dateApr 24, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01F33/503
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Oxygen or other gases are dissolved in large bodies of liquid by injection under a baffle for passage into a submerged hollow draft-tube-impeller means assembly for downward passage therein. Liquid containing dissolved gas is dispersed throughout the body of liquid, while any undissolved gas is effectively recovered and recycled.

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