PMET Demonstrates >97% Caesium Extraction from Pollucite Concentrate
Sentiment Analysis
Multiple pathways to value-add caesium chemicals identified during bench-scale extraction testwork at SGS Lakefield and through Koch Technology Solutions Phase 1 program
The bench-scale testwork carried out by SGS Canada is focused on the caesium extraction and impurity removal steps.
The stated >97% Cs recovery is with respect to the pollucite concentrate feed through to initial impurity removal.
SGS Canada Caesium Extraction Test Program
Leaching of pollucite concentrate using sulphuric acid was highly successful with >97% recovery of the caesium (Cs) into solution achieved.
Bench-scale testwork on impurity removal was also successful , demonstrating efficient removal of key impurities such as aluminum.
Opportunity identified to potentially recover a rubidium by-product .
Primary objective of program was fully realized – that being to identify a preliminary set of conditions to extract caesium from pollucite concentrate (produced from the Vega Zone) at high recovery while characterizing (and limiting) the impurity profile.
Next steps will build upon this extraction phase of work with a primary objective to produce gram quantities of high -purity Cs-sulphate, Cs-carbonate, Cs-formate , and potentially Rb-carbonate.
Koch Technology Solutions Caesium Extraction Test Program
PMET is working with Koch Technology Solutions, part of Koch Inc., evaluating advanced processing pathw...
Source: PRNewsWire
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