Extracting Gold From Ore Facts Yahoo Answers

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Extraction of Gold by Electrolysis.how? | Yahoo Answers

Oct 12, 2007· The material that you want to separate the gold from is the cathode, a piece of the pure metal, would be the anode. A 1/10 ounce, or less piece of gold would do very well since it can be beaten very thin, to be the anode. A Gold Chloride, or other gold based electrolyte would be …

How do you extract gold from ore - Answers.com

How do you extract gold from copper ore? Typically, you would use a flotation process to concentrate the copper and gold. Concentrate would be shipped to smelter for recovery of metals.

Answers | Yahoo Answers

Yahoo New Zealand Answers ... Best answer: Metals are extracted from their ores by metallurgical processes. It involves purifying the ore, that is, concentration of the ore by certain methods followed by the extraction process itself. ... You find gold and other noble metals in free state but aluminium is not found in free state in nature. An ...

extracting gold from ore facts yahoo answers

extracting gold from ore facts yahoo answers.who can help me with gold extraction of micro gold ore particles. who is the largest supplier of mining equipment in china. who to rent a portable concrete pugmill from in NJ. Read more

how is gold extracted from the mines in - aelabworld.co.za

Mar 20, 2018· How was gold extracted Answers. In the old days it was extracted from mines with pick axes. Gold nuggets were dug from veins of crystal quartz that often included silver, mercury, and lead. Get Price Extracting Gold HowStuffWorks. Removing the gold bearing rock from the …

Extracting Gold From Ore Facts Yahoo Answers

how is iron extracted from iron ore yahoo answers. Making iron In the blast furnace Iron is extracted from iron ore in a huge container called a blast furnace. extracting gold from ore facts yahoo answers; how iron ore is extracted How is iron extracted Iron ore is mixed with coking coal and limestone How is Iron extracted from its ore?

Can Silver Be Extracted From Copper Ore

Can silver be extracted from copper ore – Grinding Mill … What metals are extracted by electrolysis? Yahoo Answers. all other metals can also be extracted from their ores of copper these impurities are iron, silver, isolating copper compound from its ore.

Copper process flow chart - YouTube

Dec 11, 2016· The flow chart shows you how copper is extracted from its ore and converted into pure The ore is enriched copper process flow sheet - India ... Yahoo Answers i need a flow chart …

Bacterial Leaching: Extracting Gold from it's ore? | Yahoo ...

Apr 14, 2008· It is cheaper currently to use traditional smelting to extract copper from its ore, so bioleaching is not used in this case, but it is used more and more in gold extraction, since much of the ore has very little gold in it, so bioleaching is a cost effective option here (bioleaching is also used for refractory gold ore, that is, ore in which ...

Questions | Yahoo Answers

What mass of gold could be obtained from this sample? Answer in units of g 2. What mass of copper(II) sulfate would remain after removing all the water from 77 g of CuSO4 · 5 H2O? Answer in units of g 3. Chalcopyrite is an ore with the composition CuFeS2. What is the percentage of copper in a 27.8 grams sample of this ore? Answer in units of % 4.

Gold Mining and its Environmental Impacts

Gold Mining and its Environmental Impacts ABSTRACT This paper examines the economical, agricultural, and environmental effects of the California Gold Rush of 1848 and the following years. After gold ore is formed through hydrothermal deposition, it is near enough to the Earth’s surface, that it can be mined for its monetary and aesthetic value.

how is copper ore extracted from the ground - machii.be

How do mines extract the minerals? - how is copper ore extracted from the ground ,Once ore is extracted it is often milled to reduce it to small particles and then the richer ores are miners extract ore in Earth Scienceshow is copper extracted from the orehow is copper extracted from the ore Best Results From Wikipedia Yahoo Answers Youtube ...

extraction of metals - introduction - chemguide

the extraction of metals - an introduction This page looks at the various factors which influence the choice of method for extracting metals from their ores, including reduction by carbon, reduction by a reactive metal (like sodium or magnesium), and by electrolysis.

method to extract metal from iron ore? | Yahoo Answers

Aug 03, 2011· Best Answer: Methods of extracting metals The Earth's crust contains metals and metal compounds such as gold, iron oxide and aluminium oxide, but when found in the Earth these are often mixed with other substances. To be useful, the metals have to be extracted from whatever they are mixed with. A metal ore ...

How to extract Gold, Platinum, Rhodium from "Black Sand ...

May 08, 2008· I have access to a large amount of "Black Sand' ore concentrate, which has assays showing extremely large concentrations of Gold, Platinum and Rhodium. But many people say it is worthless because it is "impossible" to extract the precious metals from the junk (especially Iron). Can the precious metals be extracted at all?

smelting gold dust | Solution for ore mining

May 07, 2013· Smelting Gold Dust – YouTube. ... Crush and mill the gold ore to dust like particles. … Remove the impurities by smelting the gold. Flux, a chemical, is added to the mix and melted in a furnace. ... How to extract gold dust from sand? - Yahoo! Answers Best Answer: There are a few methods for removing fine gold from other sands. Panning ...

How Is Gold Extracted From Gold Ore? | Sciencing

Gold is usually found alone or alloyed with mercury or silver, but can also be found in ores such as calaverite, sylvanite, nagyagite, petzite and krennerite. Most gold ore now comes from either open pit or underground mines. The ores sometimes contain as little as 5/100 of an ounce of gold …

Chemistry HElP Please!? | Yahoo Answers

May 04, 2009· To extract gold from its ore, the ore is treated with sodium cyanide solution in the presence of oxygen and water. 4 Au(s) + 8 NaCN(aq) + O2(g) + 2 H2O(l) 4 NaAu(CN)2(aq) + 4 NaOH(aq) (a) Determine the mass of gold that can be extracted if 28.7 g sodium cyanide is used.

Gold Processing Methods & Gold Ore Extraction

Of all the methods of extracting gold & processing it from its ore, I used a few to evaluate two principal flowsheets in this case study. The flowsheets utilized operations that involved flotation, cyanidation and gravity concentration. Tests that mirror each of these unit operations were utilized to evaluate the principal flowsheets. This page offers a comparative review of gold recovery ...

how do you extract metals? | Yahoo Answers

Nov 11, 2012· Best Answer: Metals are extracted from their ores by metallurgical processes. It involves purifying the ore, that is, concentration of the ore by certain methods followed by the extraction process itself. Not all metals are found in free/native state. You find gold …