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I/GCSE Chemistry- Extracting metals

Triple and Double Award

· igcse chemistry

In this I/GCSE Chemistry blog post, we will be focusing on the extraction of the metal, copper.

Copper can be extracted from copper-rich ores by heating the ores in a furnace (smelting). 

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  • The copper can be purified by electrolysis. 
  • The supply of copper-rich ores is limited and is being depleted. Traditional mining and extraction have major environmental impacts.

Smelting processes 

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New ways of extracting copper from low-grade ores are being researched to limit the environmental impact of traditional mining. Copper can be extracted by phytomining, or by bioleaching. 

Candidates should know and understand that: 

  • Phytomining

 uses plants to absorb metal compounds and that the plants are burned to produce ash that contains the metal compounds 

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  • Bioleaching

 uses bacteria to produce leachate solutions that contain metal compounds. 

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Copper can be obtained from solutions of copper salts by electrolysis. 

  • Copper can be obtained from solutions of copper salts by displacement using scrap iron. 
  •  We should recycle metals because extracting them uses limited resources, and is expensive in terms of energy and in terms of effects on the environment. 

That is all for this post!

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References:

https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3Dl56LUrAxZH4&psig=AOvVaw301Fy5wlboS5eLM598_0ro&ust=1629132738298000&source=images&cd=vfe&ved=0CAsQjRxqFwoTCMiE3cO-s_ICFQAAAAAdAAAAABAD

https://www.google.com/url?sa=i&url=http%3A%2F%2Fwww.metalcess.com%2Fmetal_extracting%2Fcopper%2FCopper_Blast_Furnace_Smelting_18_show.html&psig=AOvVaw310o5CaMgjI4VQhyiCOAQ6&ust=1629132785945000&source=images&cd=vfe&ved=0CAsQjRxqFwoTCIjnidu-s_ICFQAAAAAdAAAAABAJ

https://www.google.com/url?sa=i&url=https%3A%2F%2Fbyjus.com%2Fjee%2Felectrolytic-refining%2F&psig=AOvVaw3ExkVvAEYL_o2yXOMPuqPn&ust=1629133489815000&source=images&cd=vfe&ved=0CAsQjRxqFwoTCMDLlarBs_ICFQAAAAAdAAAAABAD

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