Prepare for another potential step change at Sudbury

The news that Vale is planning to cease copper smelting at Sudbury marks the latest step change for this periodically seismically shifted copper-nickel producing veteran.

When an operation has been around for over 100 years, it's easy to forget how much change and innovation has been part of its history (think of the London Metal Exchange, for example). What got Sudbury off the ground at the turn of the last century was its deal with the Orford Copper and Nickel Co at Bayonne New Jersey for the latter to use its patented tops and bottoms process for neatly and simultaneously separating out the copper and nickel contents of the matte produced by smelting Sudbury's rich concentrate. Without the first world war and...


Trevor Tarring

January 05, 2016

14:41 GMT