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Designing Atmospheric Storage Tanks

By Prasanna Digamber Kenkre, Jacobs Engineering India Pvt. Ltd. |

Insights into the basics of process design of atmospheric storage tanks and an example of how to prepare a process datasheet are presented here Storage tanks are widely used in the petroleum refining and petrochemical sectors to store a variety of liquids, from crude petroleum to finished product (Figure 1). This article presents the basic process of designing atmospheric storage tanks (ASTs), as well as a discussion about preparing a process datasheet. An example is used to illustrate the points made. Figure 1. Storage tanks are a common sight at petroleum refineries and petrochemical plants[/caption]   When to opt for ASTs In simple terms, storage tanks that are freely vented to the atmosphere are known as (aboveground) atmospheric storage tanks (ASTs). They have a vertical cylindrical configuration and can be easily identified by the open vent nozzle or “goose-neck” vent pipe on the tank roof. ASTs may be shop-welded or field-welded and are customarily fabricated from structural quality carbon steel, such as A-36 or A-283 Gr.C. The vertical cylindrical shape and relatively flat bottom helps to keep costs low. ASTs store low-vapor-pressure fluids that do not pose any environmental, hazard or product-contamination…
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Atmospheric Storage Tanks This refers to the [Engineering Practice] article “Designing Atmospheric Storage Tanks” [March 2017, pp. 77–82]. It is…

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