Freight Car Friday #63 – CGTX 70638

CGTX 70638 tank car placarded sulphuric acid at Sault Ste. Marie July 12, 2013

Another common industrial acid is sulphuric acid – indeed it is probably one of the most common industrial chemicals shipped by rail. Uses of sulphuric acid are almost endless, but include chemical digestion of wood fibers for paper making and the production processes of fertilizers and numerous other chemicals including hydrochloric acid (as seen in last week’s Freight Car Friday).

Sulphuric acid is often produced in massive quantities as a byproduct of the smelting and refining of metal ores. Based on the (lack of) compression in the truck springs this and the neighbouring white PVCX acid tank car are heading north empty, for interchange to the Ontario Northland for furtherance to the copper/zinc smelter at Noranda, QC.

Same car two days later at Hawk Junction July 14, 2013, continuing its progress northward.

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