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
Commodity Futures Trading Commission Industry Association in 2004, Sharon Brown-Hruska, acting director of the CFTC, said that 65 of the top 100 hedge funds in 2003 were commodity pools, and 50 out of the 100 largest hedge funds were CTAs in addition to being commodity pools. In 2012, Christopher Ehrman, a SEC veteran was selected to run the new Office of the Whistleblower for the CFTC. In an interview published in "The Wall Street Journal", Mr. Ehrman is quoted: "One is just understanding enforcement. I'm an enforcement guy and I did investigations and brought cases for a number of years. I understand what folks