extraction of copper from its ore for tin in south africa

how tin is made - material used processing steps product industry

elsewhere in the world tin was used in ancient china and among an unknown tribe in what is now south africa by about - b c metalworkers the process of extracting tin from tin ore varies according to the source of the ore deposit and the amount of impurities found in the ore the tin deposits in bolivia and

Get Price

sources of copper ore copper development association of south

currently the most common source of copper ore is the mineral chalcopyrite cufes2 which accounts for about 50 of copper production for economic and environmental reasons many of the following is a process of copper extraction from chalcopyrite ore into pure metal while oxide ores can be processed using

Get Price

sources of copper ore copper development association of south

currently the most common source of copper ore is the mineral chalcopyrite cufes2 which accounts for about 50 of copper production for economic and environmental reasons many of the following is a process of copper extraction from chalcopyrite ore into pure metal while oxide ores can be processed using

Get Price

how tin is made - material used processing steps product industry

elsewhere in the world tin was used in ancient china and among an unknown tribe in what is now south africa by about - b c metalworkers the process of extracting tin from tin ore varies according to the source of the ore deposit and the amount of impurities found in the ore the tin deposits in bolivia and

Get Price

copper mining and processing everything you need to know

jul 17 mined from open pits copper ore must be crushed as part of the process that occurs between extraction and production using today's compact mining several countries in asia south america africa and europe are also involved in the production of copper the largest copper mine in the united states is

Get Price

tin ore processing plants - youtube

feb 14 contact us for help tin ore processing in south africa crusher machine grinding tin ore of copper from its ores and the preparation of copper metal or tin ore processing equipment tin ore mining equipment mineral processing plantmore

Get Price

tin processing britannica com

its earliest application was as an alloy with copper to form bronze which was fashioned into tools and weapons the principal tin mineral is cassiterite or tinstone sno2 a naturally occurring oxide of tin containing about 78 8 percent tin minor producers are peru south africa the united kingdom and zimbabwe

Get Price

the extraction of copper - chemistry libretexts

jun 11 the method used to extract copper from its ores depends on the nature of the ore the ores typically contain low percentages of copper and have to be concentrated before refining e g via froth flotation image used with permission from rob lavinsky irocks com under a cc-by-sa-3 0 license

Get Price

chapter 4 discovering metals a historical - asm international

of the discovery these early extractive metal- lurgists must be given credit for their powers of observation metal specifically copper could be won from ores by the application of heat in this case the heat of a wood or charcoal fire extract- ing copper from its ores is not an easy task first the metallurgist must heat the ore to

Get Price

tin processing britannica com

its earliest application was as an alloy with copper to form bronze which was fashioned into tools and weapons the principal tin mineral is cassiterite or tinstone sno2 a naturally occurring oxide of tin containing about 78 8 percent tin minor producers are peru south africa the united kingdom and zimbabwe

Get Price

copper extraction - wikipedia

copper extraction refers to the methods used to obtaining copper from its ores the conversion of copper consists of a series of chemical physical and electrochemical processes methods have evolved and vary with country depending on the ore source local environmental regulations and other factors as in all mining

Get Price

chapter 4 discovering metals a historical - asm international

of the discovery these early extractive metal- lurgists must be given credit for their powers of observation metal specifically copper could be won from ores by the application of heat in this case the heat of a wood or charcoal fire extract- ing copper from its ores is not an easy task first the metallurgist must heat the ore to

Get Price

copper an ancient metal - dartmouth toxic metals superfund

nov 18 this lent more flexibility to copper crafting no longer was native copper the only kind of useful copper if copper could be extracted from ores the sumerians and the chaldeans living in ancient mesopotamia are believed to be the first people to make wide use of copper and their copper crafting

Get Price

jordan ancient metallurgy

although small amounts of metals are found in relatively pure form most must be extracted from more complex ores by removing the impurities non-metal or other important trade in copper became the latin word cuprum copper was apparently originally the name for the island of cyprus known for its copper mining

Get Price

by-product metals are technologically essential but have

apr 3 the availability of these by-product or companion metals is thus dependent not only on the mining production of their host metal s but also on whether the thus nearly all indium production occurs as a by-product of zinc with much smaller amounts from tin and copper ores also as a by-product 4

Get Price

history of metals such as copper lead iron tin - buildingsguide

copper copper a soft and malleable metal has been used for at least 10 years first discovered around bc in the middle east knowledge of copper smelting spread around the world to china around bc latin america before ad and in sub-saharan africa around ad the extraction of copper was

Get Price

bbc - gcse bitesize methods of extracting metals

the method used to extract metals from the ore in which they are found depends on their reactivity for example reactive metals such as aluminium are extracted by electrolysis while a less-reactive metal such as iron may be extracted by reduction with carbon or carbon monoxide thus the method of extraction of a metal

Get Price

copper extraction - wikipedia

copper extraction refers to the methods used to obtaining copper from its ores the conversion of copper consists of a series of chemical physical and electrochemical processes methods have evolved and vary with country depending on the ore source local environmental regulations and other factors as in all mining

Get Price

biomining how microbes help to mine copper - bbc news

mar 21 biomining is already in use in several countries including south africa brazil and australia overall some 20 of the world's copper production comes from bioleaching the practice is not limited to copper microorganisms are also used to extract gold and uranium and there are other applications of

Get Price

copper mining and processing everything you need to know

jul 17 mined from open pits copper ore must be crushed as part of the process that occurs between extraction and production using today's compact mining several countries in asia south america africa and europe are also involved in the production of copper the largest copper mine in the united states is

Get Price

copper ore concentration process

copper mining and processing processing of copper ores oxide and sulfide ores undergo different processes to be purified into 99 99 pure copper copper processing is a complicated process that begins with mining of the ore less than 1 copper

Get Price

copper an ancient metal - dartmouth toxic metals superfund

nov 18 this lent more flexibility to copper crafting no longer was native copper the only kind of useful copper if copper could be extracted from ores the sumerians and the chaldeans living in ancient mesopotamia are believed to be the first people to make wide use of copper and their copper crafting

Get Price

ancient egyptian raw materials metals - copper bronze iron gold

in nature metals occur only rarely in their metallic state there were the occasional finds of meteoric iron or alluvial gold in ancient egypt but most metal was won by mining ores and extracting the metal expensive procedures given the fact that the tools used were barely harder than the rock they were supposed to crush

Get Price

discover the ancient history of copper and it's early - the balance

dec 31 copper is considered to be one of the first metals to be used by humans the main reason for its early discovery and use is that copper can naturally occur in relatively pure forms copper findings although various copper tools and decorative items dating back as early as 9 bc have been discovered

Get Price

copper ore concentration process

copper mining and processing processing of copper ores oxide and sulfide ores undergo different processes to be purified into 99 99 pure copper copper processing is a complicated process that begins with mining of the ore less than 1 copper

Get Price

innovations introduction to copper mining extraction

underground mining is achieved by sinking shafts to the appropriate levels and then driving horizontal tunnels called adits to reach the ore underground the blister is then fire-refined further to adjust its sulfur and oxygen contents yielding metal that is sufficiently pure for many other-than-electrical uses however since

Get Price

chapter 4 the bronze age - mygeologypage

chapter 4 the bronze age bronze once skilled smelters could extract copper from sulfide ores copper became much more plentiful as a metal eventually however smiths realized a new paradox the most valuable product from these new ores was not pure copper but a range of new substances that contained

Get Price

metal prices as a function of ore grade

the all-metals series is roughly matched in iron ore and copper but the decline in lead and zinc is quite small a similar analysis applied to sand and gravel stone phosphate rock sulphur and fluorspar shows that all have declined in labour cost barnett and morse also tested the scarcity hypothesis by means of

Get Price

the extraction of copper - chemistry libretexts

jun 11 the method used to extract copper from its ores depends on the nature of the ore the ores typically contain low percentages of copper and have to be concentrated before refining e g via froth flotation image used with permission from rob lavinsky irocks com under a cc-by-sa-3 0 license

Get Price

biomining how microbes help to mine copper - bbc news

mar 21 biomining is already in use in several countries including south africa brazil and australia overall some 20 of the world's copper production comes from bioleaching the practice is not limited to copper microorganisms are also used to extract gold and uranium and there are other applications of

Get Price