Glennon, J. D.,Treacy, J.,O'Keeffe, A. M.,O'Connell, M.,McSweeney, C. C.,Walker, A.,Harris, S. J.;

2003

Supercritical Carbon Dioxide: Separations And Processes

Extracting gold in supercritical CO2: Fluorinated molecular baskets and thiourea ligands for Au. Supercritical Carbon Dioxide: Separations and Processes

Validated

()

860

67

79

Selective ligands for precious and heavy metal complexation and extraction in sc-CO2, capable of replacing environmentally unfriendly processes using solvents or hazardous chemicals, are being researched in our supercritical fluid centre at UCC. In particular, the design and synthesis of a series of fluorinated calixarene ligands, aptly named molecular baskets, has led to demonstrations of their extractive power for gold(III). Further research on a series of new 3,5-di(trifluoromethyl)-phenyl thiourea derivatives proved remarkably successful for the solubilisation and extraction of gold in sc-CO2.

0097-6156

://000185657900006