Tag Archives: Hot Sulfuric Acid

Hastelloy vs Tantalum Bolts for Sulfuric Acid Corrosion in Lithium Extraction

Posted on January 3, 2018 by dean

Q:  I’m running a lithium extraction process where a mineral called spodumene is roasted in a mixture of sulphuric acid (95-97%) at at about 150°C to form lithium sulfate. I’ve to use Hastelloy C276 for some process equipment but I’m still experiencing corrosion. Please help. A:  Hastelloy C276 bolts typically … Continue reading →

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Hastelloy C276 bolts in hot sulfuric acid

Posted on July 12, 2017 by dean

Inline image 1Q: I was planning on using Hastelloy C276 in hot sulfuric acid. It would be approximately 50% concentration around 100F +/- 10 degrees. Will this be okay? I’m just concerned because I read that it cannot handle strong oxidizing environments and I’ll be using it in an application where its … Continue reading →

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