Patent · US Expired

Control of froth flotation separation

US4559134A · kind A · utility

4Cited by
6References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 30, 1984
Grant dateDec 17, 1985
Priority date
Expiry dateNov 30, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB03B13/00
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

In a froth flotation beneficiation, the rate of addition of collector reagent is varied in response to the change in particle size effected by the beneficiation, as determined by comparing a size analysis of solid particles in one of the separated streams with a size analysis of solid particles in the feed stream.

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