Gold extraction the purity of gold. The parting of gold from silver has been done since ancient times starting in Lydia in the 6th century BC. Various techniques have been practised; salt cementation from ancient times, parting using distilled mineral acids from medieval times, and in modern times using chlorination using the Miller process and electrolysis using the Wohlwill process. Gold extraction Gold extraction refers to the processes required to extract gold from its ores. This may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore. Gold mining from alluvium ores was once achieved
A Thousand Different Ways A Thousand Different Ways A Thousand Different Ways is the third studio album by Clay Aiken. The album, which was executive produced by Jaymes Foster, consists of ten covers and four new songs. It was released by RCA on September 19, 2006. The first single was "Without You" and the second, "A Thousand Days." Writers of the four new songs ("These Open Arms", "Lonely No More", "A Thousand Days" and "Everything I Have") include Jon Bon Jovi, Desmond Child, Andreas Carlsson, Jeremy Bose, Aldo Nova, Samuel Waermo, Mimmi Waermo and Aiken himself. "These Open Arms" previously appeared as a bonus