Patent · US Expired

Beneficiation of trona by flotation

US4283277A · kind A · utility

9Cited by
8References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 30, 1979
Grant dateAug 11, 1981
Priority date
Expiry dateApr 30, 1999

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB03D2203/04
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A froth flotation method for the separation of trona from ground trona ore slurried in a saturated brine solution of sodium carbonate and sodium bicarbonate by using organic compounds of a specified type as flotation collectors.

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