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Geevor at Grass

Processing

 

Brunton Calciner

Click to see a larger version of this imagedrawing of the interior of a brunton calciner

In the 1830s the Brunton Calciner was developed for arsenic recovery, which were used many Cornish mines until the 1950s.


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Arsenic Recovery

Click to see a larger version of this imageold photo of rows of arsenic barrels

Arsenic had to be removed as a waste product from the tin and copper ore.


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Smelting

Click to see a larger version of this imagemolten tin

The process of smelting changes tin ore into metal.


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Assaying

Click to see a larger version of this imageold photo of a assayer at work

Assaying is the process of testing ore or metal samples to determine their mineral content and purity.


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Comment left by stephanie murrietta on 2009-10-12 19:01:25

you made to good on my project

Comment left by p.srinivas on 2010-12-20 14:45:27

very good article,plz pass to me

 

Comment left by selllyy on 2011-05-17 12:58:12

this was really great

 

Comment left by kran balka on 2011-07-30 18:17:28

Thank you very much for that dazzling article

 

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