Gold/Mining/Energy | Orbite Aluminae
We went about opening my chemistry books and deriving a new process to transform this aluminous clay into high purity alumina. (http://www.ceocfointerviews.com/interviews/ORT-Orbite11.htm)
To go from clay to high purity alumina, the company has purchased the results of a Laval University doctoral thesis that conducted laboratory trials that succeeded in extracting between 97 and 100% pure alumina. Further work was undertaken in Centre d´études des procédés chimiques du Québec (CÉPROCQ) two or three years ago and which led to the conclusion that the process is cost-effective and that is economically viable to extract clay alumina from the deposit. (http://justdigging.wordpress.com/category/local-stakeholders/page/2/)
In 2004, researchers at Université Laval conducted laboratory trials to provide indications on the quality of the aluminous clay from Grande-Vallée. The Laval team conducted numerous extraction trials using acid-dissolution methods followed by a process of pyrohydrolysis at high temperature. These trials enabled the extraction of an alumina (Al2O3) that was 95% to 97% pure on average, with results showing extraction rates of 99% and 100%.