Procedure for the application of a coating system to the interior surfaces of...railroad steel tank cars used...in the transportation of concentrated (90 to 98%) sulfuric acid at ambient temperatures. Historical Document 1992
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DOWNLOADABLE HISTORICAL DOCUMENT. Sulfuric acid (H2SO4) is the largest-volume commodity chemical in use today. One large use of concentrated sulfuric acid is as a catalyst for refinery alkylaton units.
Additions to and deviations from NACE SP0294 (formerly RP0294) that apply to alkylation unit spent sulfuric acid storage. These differences between fresh acid and spent sulfuric acid impact the integrity of storage tanks.
Design, fabrication, and inspection practices to maintain mechanical integrity and minimize potential occurrence of undetected corrosion in sulfuric acid or oleum storage tanks at atmospheric and low pressure.
Design and selection of materials used in the handling and storage of commercial concentrated sulfuric acid (H2SO4) at temperatures of up to 50 °C (120 °F).
Coatings application to the interiors of rail tank cars handling concentrated sulfuric acid at ambient temperatures. Inspection of completed coating. Testing. Surface prep. Materials Inspection.