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bacteria used in gold mining yahoo answers

Oct 26 2009 is a hard lustrous gray metal a chemical element with symbol co and atomic number 27 although cobaltbased colors and pigments have been used since ancient times for making jewelry and paints and miners have long used the name kobold ore for so

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How Do Miners Dispose Of Their Waste In The Sea
How Do Miners Dispose Of Their Waste In The Sea

Oct 11 2019 sea disposal of mining waste could spread as indonesia weighs adopting the technique for new nickel projects as papua new guinea is doing for a gold mine proposed by australias newcrest mining

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Air Pollution Contributing To High Mercury Metal   Yahoo
Air Pollution Contributing To High Mercury Metal Yahoo

Apr 23 2019 despite local and international efforts to reduce mercury emissions mercury levels in some lakes at kejimkujik national park have continued to rise a new study has found scientists with environment and climate change canada say air pollution is contributing to mercury and metal levels in the lakes which were already contaminated by historic gold mining operations in the area

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How Is Gold Extracted From The Earth  Yahoo Answers
How Is Gold Extracted From The Earth Yahoo Answers

Jan 18 2009 the word mining is perhaps used more widely than you realise ie underground mining open pit mining alluvial mining a mine can be a very small and simple arrangement however to further answer your question gold is recovered from the reprocessing of tailings dumps

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Stock Portfolio  Tracker  Yahoo Finance
Stock Portfolio Tracker Yahoo Finance

Track your personal stock portfolios and watch lists and automatically determine your day gain and total gain at yahoo finance

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Uranium In The Environment  Wikipedia
Uranium In The Environment Wikipedia

Uranium in the environment refers to the science of the sources environmental behaviour and effects of uranium on humans and other animals uranium is weakly radioactive and remains so because of its long physical halflife 4468 billion years for uranium238the biological halflife the average time it takes for the human body to eliminate half the amount in the body for uranium is

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How Do Miners Dispose Of Their Waste In The Sea
How Do Miners Dispose Of Their Waste In The Sea

Oct 11 2019 sea disposal of mining waste could spread as indonesia weighs adopting the technique for new nickel projects as papua new guinea is doing for a gold mine proposed by australias newcrest mining

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What Metalsminerals Are Commonly Found Alongside   Yahoo
What Metalsminerals Are Commonly Found Alongside Yahoo

Sep 06 2009 im doing some worldbuilding for a novel i have a country whose chief resource is iron and was wondering what else they might have in their mountains assuming an

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What Is Phytomining And Bioleaching  Yahoo Answers
What Is Phytomining And Bioleaching Yahoo Answers

Jan 05 2012 this is the method mostly used in phytomining bioleaching uses bacterial microorganisms to extract precious metals such as gold from ore in which it is embedded as an alternative to smelting or roasting miners use bioleaching when there are lower concentrations of metal in ore and they need an efficient environmentally responsible method

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Write A Short Report Listing The Causes Of Air   Yahoo
Write A Short Report Listing The Causes Of Air Yahoo

Jun 15 2008 water is discharged from after having been used in production processes this waste water may contain acids alkalis salts poisons oils and in some cases harmful bacteria mining and agricultural wastes mines especially gold and coal mines are responsible for large quatities of

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How Do Miners Dispose Of Their Waste In The Sea  Yahoo
How Do Miners Dispose Of Their Waste In The Sea Yahoo

Oct 11 2019 sea disposal of mining waste could spread as indonesia weighs adopting the technique for new nickel projects as papua new guinea is doing for a gold mine proposed by australias newcrest mining

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What Is Landwater And Air Degredation  Yahoo Answers
What Is Landwater And Air Degredation Yahoo Answers

Nov 28 2007 water is discharged from after having been used in production processes this waste water may contain acids alkalis salts poisons oils and in some cases harmful bacteria mining and agricultural wastes mines especially gold and coal mines are responsible for large quatities of

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How Do Bacteria Plants And Fungi Help To Extract Copper
How Do Bacteria Plants And Fungi Help To Extract Copper

Oct 13 2007 how do bacteria plants and fungi help to extract copper any answers or helpful website all help is much appreciated microbial mining which is the bacteria and other microorganisms are cultured in container and then used to bring these processes eg copper extraction bioleaching is a technique used by the mining industry to

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Great Bear Explores The New Lp Fault Gold   Yahoo
Great Bear Explores The New Lp Fault Gold Yahoo

Aug 01 2019 the red lake mining district is one of the premier mining districts in canada benefitting from major active mining operations including the red lake gold mine of newmont goldcorp corp plus modern infrastructure and a skilled workforce

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What Equipment Does A Doctor Wear During Surgery  Answers
What Equipment Does A Doctor Wear During Surgery Answers

Thats the reasoning for the grounding pad second if the patient experiences edema during surgery the jewelry could cause a danger in cutting off circulation to an extremity say a finger or toe thirdly infection is always important to prevent jewelry with stones carry more germs than plain gold bands but the underlying tissue can harbor

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What Are The Advantages And Disadvantages Of Using   Yahoo
What Are The Advantages And Disadvantages Of Using Yahoo

Oct 22 2011 gold is often found in ores with gold particles scattered throughout and the small particles of gold are covered by insoluble minerals these minerals make the extraction difficult therefore microorganisms that can eat away at the mineral coating so they are used to pretreat the gold ores before they can be extracted

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Beneficial Biofilms
Beneficial Biofilms

And mining companies are making a considerable investment to extend this process to the extraction of other precious metals how is a biofilm engineered to accomplish this job again one must find a bacteria with a particular appetiteone that would eat the ore say that encased copper particles thus releasing the copper to be recovered

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What Factors Affect Ph  Yahoo Answers
What Factors Affect Ph Yahoo Answers

Oct 06 2010 im trying to do a science fair on ph the only problem is i dont know what factors can alter ph at first i wanted to try using temperature to see if ph changes but my teacher said that temperature doesnt affect ph that much does anyone know factors that can affect ph i plan on using like acidic and basic solutions like vinegar or bleach or soda

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Yahoo Malaysia  News And Lifestyle
Yahoo Malaysia News And Lifestyle

Style yahoo style uk one in 10 couples who dont want children cite climate change this is according to a poll of under35s who have never had children and do not want them in future conducted by yougov start the conversation news malay mail

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Write A Short Report Listing The Causes Of Air   Yahoo
Write A Short Report Listing The Causes Of Air Yahoo

Jun 15 2008 water is discharged from after having been used in production processes this waste water may contain acids alkalis salts poisons oils and in some cases harmful bacteria mining and agricultural wastes mines especially gold and coal mines are responsible for large quatities of

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What Are Some Things That Are Made Ofwith Potassium  Yahoo
What Are Some Things That Are Made Ofwith Potassium Yahoo

Nov 26 2010 potassium bromate kbro3 is a strong oxidiser used as a flour improver e924 to improve dough strength and rise height potassium bisulfite khso3 is used as a food preservative for example in wine and beermaking but not in meats potassium bisulfite is also used to bleach textiles and straw and in the tanning of leathers

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How Do Gold Nuggets Form
How Do Gold Nuggets Form

A gold nugget is a naturally occurring piece of native gold watercourses often concentrate nuggets and finer gold in placers nuggets are recovered by placer mining but they are also found in residual deposits where the goldbearing veins or lodes are weathered nuggets are also found in the

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What Is A Halogen Used To Purify Water  Answers
What Is A Halogen Used To Purify Water Answers

Dec 18 2014 what is a halogen used to purify water answer wiki user december 18 2014 1207pm we cant use all halogens for that purpose because of they are harmful we use chlorine for purify water

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Answers About Science
Answers About Science

The observation identification description experimental investigation and theoretical explanation of phenomena is all part of science nothing is immune to the scientific process from charm

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Home  Yahoo Answers
Home Yahoo Answers

I see people who are 40 or 50 and theyre doing minimum wage stuff like mopping floors or being cashiers i stop and think how the capitalistic system has failed them how can someones purpose in this world be to mop floors or be a cashier

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