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Which Major Engineering problem is associated with Frasch process?

Which Major Engineering problem is associated with Frasch process? Correct Answer Corrosion

Sulfur contain Shipment-insulated Barges and tank cars easily got corroded in the storage and handling process .Grinding and pyrites ore beneficiation are the major engineering problem of Finnish process, final clean-up of stock gas is related to oxidation reduction of H2S .

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Which commercial product is produced by Frasch Process?
Frasch process is for
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