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What is the process where pure material is extracted from ore?

Aug 11 2015Gold is a tiny tiny portion of any gold ore Open pit mining is typically profitable down to 0 3 ppm and underground mining down to 3 or 4 ppm Even the richest ore is rarely more then 30 ppm Step 1 Jaw crusher first then cone crusher and then Get price

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energy expenditure in extraction of aluminium

Compare The Cost And Energy Expenditure Involved In The - Blurtit Answer (1 of 1) The Cost and energy expenditure involved in the extraction of aluminum from its ore is far bigger than the energy required to recycle aluminium Energy needed to produce aluminum - Today in Energy - U S Get price

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Chemistry Assignment Essay Example for Free

Analyse information to compare the cost and energy expenditure involved in the extraction of aluminium from its ore and the recycling of aluminium The recycling of aluminium is cost-effective and uses less energy compared to extraction of aluminium from bauxite To extract bauxite land must be cleared for mining Get price

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Mining and Refining

Aluminium is an "energy bank" most of the original input can be recovered every time the product is recycled Bauxite mining requires relatively low energy inputs compared to other steps in the aluminium production process – with less than 1 5 kilograms of fuel oil (mainly in the form of diesel for haul trucks) and less than 5 kWh of Get price

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Describe the extraction of sucrose from sugar cane?

Compare The Cost And Energy Expenditure Involved In The Extraction Of Aluminium From Its Ore And The Recycling Of Aluminium? Recycling The Cost and energy expenditure involved in the extraction of aluminum from its ore is far bigger than Describe The Path Of The Egg From Ovulation To Implantation? PeriodsGet price

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Compare the cost and expenditure involved in the

Compared with the Extraction of aluminium from some of its ores the recycling of aluminium is much more cost effective and energy efficient Method of Acquisition (Of Aluminium) Energy required per tonne (MJ) Extraction 200 000 00 Recycling 800 00 (MJ=MegaJoule 10^6) Extraction Cost -The process of extraction is Opencast mining which involves the removal of all topsoil and Get price

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steps involved in the extraction of pure iron from its ore

Metallurgy – Test Questions | But ore is a chosen mineral of a metal from which metal is extracted profitably on a large scale in pure form For the ore of Fe is Haemetite Question What are the three major steps involved in extraction of a metalafter its ore is mined? Answer The three steps involved in extraction are 1) Concentration of the ore to Get price

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Energy considerations Since energy input is required in

Energy considerations Since energy input is required in the extraction process (mining machinery and mills to crush the ore electro reefing necessitates large amounts of energy) copper refineries are often located near areas where electricity is sold at a cheap rate Total energy required to extract 1 tonne of refined copper form an ore body is 10 5Get price

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Chemistry Assignment Essay Example for Free

Analyse information to compare the cost and energy expenditure involved in the extraction of aluminium from its ore and the recycling of aluminium The recycling of aluminium is cost-effective and uses less energy compared to extraction of aluminium from bauxite To Get price

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Compare The Cost And Energy Expenditure Involved In The

Compare The Cost And Energy Expenditure Involved In The Extraction Of Aluminium From Its Ore And The Recycling Of Aluminium GCSE CHEMISTRY - Extraction of Aluminium - Energy - Cost The Extraction of Aluminium by including Energy Cost and Recycling about 5% of the energy needed to extract aluminium from its ore Get price

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HSC CHEMISTRY PROGRAM

40 Analyse information to compare the cost and energy expenditure involved in the extraction of aluminium from its ore and the recycling of aluminium Extraction and recycling 37 Identify some copper ores and use a flow chart to describe the separation of copper metal from chalcopyrite 38 Get price

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Why is the extraction of aluminium expensive?

Jan 03 2017Best Answer Aluminium oxide has a very high melting point (over 2 000C) so it would be expensive to melt it Instead it is dissolved in molten cryolite an aluminium compound with a lower melting point than aluminium oxide The use of cryolite reduces some of the energy costs involved in extracting aluminium Get price

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Compare The Cost And Energy Expenditure Involved In The

The Cost and energy expenditure involved in the extraction of aluminum from its ore is far bigger than the energy required to recycle aluminium The percentage of energy required to recycle aluminum is appoximately 5% of the energy it takes to extract aluminum from its oreGet price

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The Extraction of Iron

Avoiding the pollution problems in the extraction of iron from the ore Not having to find space to dump the unwanted iron if it wasn't recycled (Offsetting these to a minor extent) Energy and pollution costs in collecting and transporting the recycled iron to the steel works Get price

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Extraction Process of Aluminium from Bauxite Ore

Alumina Extraction Problem In the standard Bayer Process for refining bauxite to produce alumina the dissolution of the alumina in the ore to form sodium aluminate is accomplished in autoclaves under high pressures varying from 70 to 200 pounds per square inch Get price

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aluminium (US aluminum)

Saving of raw materials and particularly electrical energy by not having to extract the aluminium from the bauxite Recycling aluminium uses only about 5% of the energy used to extract it from bauxite Avoiding the environmental problems in the extraction of aluminium from the bauxite Get price

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Aluminium Metallurgy

Saving of raw materials and particularly electrical energy by not having to extract the aluminum from the bauxite Recycling aluminum uses only about 5% of the energy used to extract it from bauxite Avoiding the environmental problems in the extraction of aluminum from the bauxite Get price

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Aluminium extraction cost?

May 18 2011Answers If freely available hydroelectric power is available this makes a huge difference IF you are in the US the costs of extracting aluminium or any metal is 70% to 95% of the current market value Aluminium is selling at about $1500/tonne then the cost of extracting it Get price

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Chapter 12 Flashcards

Start studying Chapter 12 Learn vocabulary terms and more with flashcards games and other study tools Search The extraction of aluminum from its ore requires a great deal of A) heat B) electricity costs of aluminum and steel which of the following should be considered? A) cost of mining and transporting the ore B) cost of Get price

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what are the social economic and environmental impacts of

When you are considering a point try to link it to chemistry For instance high costs for aluminium extraction is a bit vague but high energy costs for the electrolysis of aluminium because aluminium is too reactive to be extracted by carbon reduction is Get price

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Chem Assesment Task

Jun 13 20041 Discuss the importance of predicting yeild in the identification mining and extraction of commercial ore deposits 2 Justify the increased recycling of metals in our society and accross the world 3 Analyse information to compare the cost and energy expenditure involved in the extraction of aluminium from its ore and the recycling of aluminium Get price

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cost and energy expenditure of aluminium extraction and

2 - Year 11 A high cost of production and low abundance of a metal will result in an Energy required to recycle aluminium is 5% of that needed to extract bauxite the cost and energy expenditure involved in the extraction of aluminium from its oreGet price

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Aluminium extraction cost?

May 18 2011Answers If freely available hydroelectric power is available this makes a huge difference IF you are in the US the costs of extracting aluminium or any metal is 70% to 95% of the current market value Aluminium is selling at about $1500/tonne then the cost of extracting it Get price

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cost and energy expenditure of aluminium extraction and

Home Products cost and energy expenditure of aluminium extraction and recycling Mobile Crushing Plant Stationary Crushing Plant Grinding Mill Washing Screening Three in One Mobile Crusher Mobile VSI Crusher Mobile VSI Crusher Washer Mobile Crusher Get price

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cost and energy expenditure in extraction of aluminium

Answer (1 of 1) The Cost and energy expenditure involved in the extraction of aluminum from its ore is far bigger than the energy required to recycle aluminium The its ore More information can be found online comparing the costs in a graphGet price

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Energy Use in US Steel Manufacturing

Dec 04 2016This means that energy use for electric arc furnace production will be approximately 2 25 10 9 J per ton of steel 10 less energy than production from raw iron ore Even if the electric arc furnace is used to melt scrap steel and then the molten steel is reheated in a basic oxygen furnace you will still on have 15 25 10 9 J per ton of steel Get price

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Extraction of Aluminium by Electrolysis

Aluminum is extracted from aluminum oxide by a process called electrolysis First of all aluminum oxide needs to be in molten form to extract the aluminum ions Aluminum oxide however has a high melting point Therefore aluminum oxide is dissolved in molten cryolite Get price

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Power Costs in the Production of Primary Aluminum

Nov 24 2015The Guangxi smelters typically consume 14 500 kWh/ton and are paying $0 050-0 055/kWh according to China Mining Power costs of $0 0525/kWh and consumption at 14 500 kWh/ton equates to $760/ton The domestic ingot price in China as reported on the SHFE is currently $1725/ton Get price

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GCSE Metals

As part of their work on metals GCSE chemistry students will look at some of the problems that arise in their extraction from ores As with most things there is a financial cost but there's also an environmental one Revise what you learned in Year 10 and Year 11 by playing this interactive quiz Get price

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Bayer process

In the Bayer process bauxite ore is heated in a pressure vessel along with a sodium hydroxide solution (caustic soda) at a temperature of 150 to 200 C At these temperatures the aluminium is dissolved as sodium aluminate (primarily [Al(OH) 4 ] − ) in an extraction process Get price

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Electricity consumption in the production of aluminium

Using the figures above this means that 621 billion kilowatt hours of electrical energy were used in the production of aluminium To put that in perspective the total world production of electrical energy was 20261 billion kilowatt hours meaning that more than 3% of the world's entire electrical supply went to extraction of aluminium Get price

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Environmental Impact Economics Metal Extraction mining

For every tonne of aluminium recycled you would need to mine at least four times as much bauxite ore and all the transport and extraction costs involved You only need about 10% of the energy of extracting aluminium from its ore compared to recycling previously extracted aluminium and there is far less waste Get price

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Chapter 2 Production and Processing of Aluminum

of Aluminum 2 1 Extraction of Aluminum The extraction of aluminum from its ore and subsequent processing into finished prod-ucts takes place in a series of successive operations each largely independent of the other Generally the various processes are carried out at Get price

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