Patent · US Expired

Method for determining clay content in tailings and sludge

US4452900A · kind A · utility

1Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 19, 1981
Grant dateJun 5, 1984
Priority date
Expiry dateOct 19, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N33/42
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A method for estimating the content of clay or clay minerals in the tailings or sludge resulting from the extraction of bitumen from tar sands and similar materials by titrating the tailings or sludge with methylene blue.

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