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Got stpped at the tracks today, by a train heading across the border, into Mexico. There was approximately 70 container cars marked "Mexico Grupo" and Minerva Copper Mine. They were also all marked containing sulfuric acid. Can someone please explain how that is used in a copper mine? Also 70 cars thats a lot of freakin acid!

Thanks in advance

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Got stpped at the tracks today, by a train heading across the border, into Mexico. There was approximately 70 container cars marked "Mexico Grupo" and Minerva Copper Mine. They were also all marked containing sulfuric acid. Can someone please explain how that is used in a copper mine? Also 70 cars thats a lot of freakin acid!

Thanks in advance

Here you go:

http://www.mine-engineer.com/mining/copperm.htm

I believe the smelting process also produces sulfuric as a buy product.

http://www.windows.ucar.edu/tour/link=/phy...ml&edu=high

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Sonny,

First, what makes you think that the tanks were full of sulfuric acid? It is more likely that the tanks were empty and heading back to Mexico to be filled up again.

Sulfuric acid is a by product of the smelting process of copper sulfides ore. Could be that the acid was shipped into the states for use.

Some acid is used in weakened state by sprinkled over mine dumps with water spriinklers. This slowly breaks down and disolves the low grade ores of copper and other metals. These fluids collect at the bottom where a thick plastic liner (cone shaped) directs them to pumps which in turn sends it to a plant for processing into copper ingots.

Hope this answers your question.

Bob

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Hey I dont know if they were full or empty. I just know it was a lot of containers and they haul the stuff somewhere. Thanks to you and Homefire though, I just didnt know if it was used in copper mining. I also didnt know it was a by product. I was also imagining a train wreck with all the acid spilling....not good.

But again thanks for the info! I knew you guys were the ones to ask.

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