The extraction of gold or silver from their ores using the cyanide process

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  • cyanidation — cianavimas statusas T sritis chemija apibrėžtis Plieno paviršiaus sluoksnio įsotinimas anglimi ir azotu laikant išlydytuose cianiduose. atitikmenys: angl. cyanidation; cyanide process rus. цианирование …   Chemijos terminų aiškinamasis žodynas

  • cyanidation — cy·a·ni·da·tion …   English syllables

  • cyanidation — ˌsīənə̇ˈdāshən, īəˌnīˈd , (ˌ)sīˌanəˈd noun ( s) Etymology: cyanide + ation : the act or process of cyaniding; especially : cyanide process …   Useful english dictionary

  • Gold cyanidation — (also known as the cyanide process or the MacArthur Forrest process) is a metallurgical technique for extracting gold from low grade ore by converting the gold to a water soluble coordination complex. It is the most commonly used process for gold …   Wikipedia

  • gold processing — Introduction  preparation of the ore for use in various products.       For thousands of years the word gold has connoted something of beauty or value. These images are derived from two properties of gold, its colour and its chemical stability.… …   Universalium

  • Lead(II) nitrate — Lead(II) nitrate …   Wikipedia

  • Gold extraction — or recovery from its ores may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore. [cite web url= gold/gold… …   Wikipedia

  • Beudantit — aus der Tsumeb Mine (Tsumcorp Mine), Tsumeb, Oshikoto Region, Namibia; Größe: 2 x 2 x 1 cm. Chemische Formel PbFe3[(As,S)O4]2(OH)6 Mineralklasse …   Deutsch Wikipedia

  • silver processing — Introduction       preparation of the ore for use in various products.       Silver has long been valued for its white metallic lustre, its ability to be readily worked, and its resistance to the corrosive effects of moisture and oxygen. The… …   Universalium

  • Bacterial oxidation — (BIOX) is a biohydrometallurgical process developed for pre cyanidation treatment of refractory gold ores or concentrates. The bacterial culture is a mixed culture of Thiobacillus ferrooxidans , Thiobacillus thiooxidans and Leptospirillum… …   Wikipedia

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