"Sulfuric acid plant"
"What are the metals generally used for sulfuric acid plants? (e.g storage tanks, reactor, pipelines) What is the service life of the reactor, pipelines and storage tanks with regard to the above suggested metals used?"
Your questions are too involved to adequately respond to in a discussion forum. There are several sulfuric acid processes and materials selection can vary, depending on concentrations, temperatures, past history, etc. Metals and alloys can range from cast iron, carbon steel to 316SS, alloy 20 Cb-3, to alloy B2, depending on the specific environment. There are also many non-metallics that are used in sulfuric acid plants. For a good reference book on materials for sulfuric acid, please refer to "Materials Selector for Hazardous Chemicals, Vol. 1: Concentrated Sulfuric Acid and Oleum", by C. P. Dillon. It is available from NACE International at 281-228-6200, Houston, TX.
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