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
Near to the Wild Heart combining the “intellectual lucidity of the characters of Dostoevsky with the purity of a child.” A Manhã ("The Morning"), not going quite as far as Lêdo Ivo, had declared it to be “the greatest debut novel a woman had written in all of Brazilian literature.” In October 1944, the book won the prestigious Graça Aranha Prize ("Prêmio Graça Aranha") for the best debut novel of 1943. The prize was a confirmation of what the "Folha Carioca" had discovered earlier that year when it asked its readers to elect the best novel of 1943. "Near to the Wild Heart" won with